Re: [sympy] Introduction and Much Interest in Beginner Physics Project

[Aaron Meurer]

On Sun, Mar 14, 2021 at 7:28 PM Hanna Zelis  wrote:
>
> Dear Aaron Meurer,
>
> Thank you! Yes, I am interested in participating in Google Summer of Code. I 
> saw that the "Classical Mechanics: Efficient Equation of Motion Generation 
> with Python" project was a part of this program. Just to confirm, is this 
> project a part of that program?

Yes. You may want to reach out to the mentors for mechanics related
projects from the past few years to get more information about this. I
personally know much about this particular side of SymPy.

Aaron Meurer

>
> Thank you for your time!
>
> Sincerely,
> Hanna Zelis
>
> On Sun, Mar 14, 2021 at 9:25 PM Aaron Meurer  wrote:
>>
>> Hello and welcome.
>>
>> Just to clarify, are you interested in participating in Google Summer of 
>> Code?
>>
>> Aaron Meurer
>>
>> On Sun, Mar 14, 2021 at 7:16 PM Hanna Zelis  wrote:
>> >
>> > Hi SymPy!
>> >
>> > This is Hanna Zelis, a freshman at High Point University. I'm currently 
>> > undecided but will soon declare Computer Science (B.S.) and Exercise 
>> > Science (B.S.) as my majors.
>> >
>> > I have had previous experience, as well as certification, in python. I 
>> > have done well and really enjoy physics, especially the subtopic of 
>> > motion, and mathematics, especially Calculus!
>> >
>> > "Classical Mechanics: Efficient Equation of Motion Generation with Python" 
>> > project would be a great fit for my background and experience level.
>> >
>> > I would love the opportunity to be a part of this project as I believe I 
>> > have much to offer as a first year student while also being able to learn 
>> > new things along the way that can help me in my future endeavors.
>> >
>> > Can't wait to start contributing and collaborating with others on this 
>> > project!
>> >
>> > Sincerely,
>> > Hanna Zelis
>> >
>> > --
>> > You received this message because you are subscribed to the Google Groups 
>> > "sympy" group.
>> > To unsubscribe from this group and stop receiving emails from it, send an 
>> > email to sympy+unsubscr...@googlegroups.com.
>> > To view this discussion on the web visit 
>> > https://groups.google.com/d/msgid/sympy/f1c07b68-cd3a-444e-aa89-701c3a5db1c1n%40googlegroups.com.
>>
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>
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Re: [sympy] Introduction and Much Interest in Beginner Physics Project

[Hanna Zelis]

Dear Aaron Meurer,

Thank you! Yes, I am interested in participating in Google Summer of Code.
I saw that the "Classical Mechanics: Efficient Equation of Motion
Generation with Python" project was a part of this program. Just to
confirm, is this project a part of that program?

Thank you for your time!

Sincerely,
Hanna Zelis

On Sun, Mar 14, 2021 at 9:25 PM Aaron Meurer  wrote:

> Hello and welcome.
>
> Just to clarify, are you interested in participating in Google Summer of
> Code?
>
> Aaron Meurer
>
> On Sun, Mar 14, 2021 at 7:16 PM Hanna Zelis  wrote:
> >
> > Hi SymPy!
> >
> > This is Hanna Zelis, a freshman at High Point University. I'm currently
> undecided but will soon declare Computer Science (B.S.) and Exercise
> Science (B.S.) as my majors.
> >
> > I have had previous experience, as well as certification, in python. I
> have done well and really enjoy physics, especially the subtopic of motion,
> and mathematics, especially Calculus!
> >
> > "Classical Mechanics: Efficient Equation of Motion Generation with
> Python" project would be a great fit for my background and experience level.
> >
> > I would love the opportunity to be a part of this project as I believe I
> have much to offer as a first year student while also being able to learn
> new things along the way that can help me in my future endeavors.
> >
> > Can't wait to start contributing and collaborating with others on this
> project!
> >
> > Sincerely,
> > Hanna Zelis
> >
> > --
> > You received this message because you are subscribed to the Google
> Groups "sympy" group.
> > To unsubscribe from this group and stop receiving emails from it, send
> an email to sympy+unsubscr...@googlegroups.com.
> > To view this discussion on the web visit
> https://groups.google.com/d/msgid/sympy/f1c07b68-cd3a-444e-aa89-701c3a5db1c1n%40googlegroups.com
> .
>
> --
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> .
>

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Re: [sympy] Introduction and Much Interest in Beginner Physics Project

[Aaron Meurer]

Hello and welcome.

Just to clarify, are you interested in participating in Google Summer of Code?

Aaron Meurer

On Sun, Mar 14, 2021 at 7:16 PM Hanna Zelis  wrote:
>
> Hi SymPy!
>
> This is Hanna Zelis, a freshman at High Point University. I'm currently 
> undecided but will soon declare Computer Science (B.S.) and Exercise Science 
> (B.S.) as my majors.
>
> I have had previous experience, as well as certification, in python. I have 
> done well and really enjoy physics, especially the subtopic of motion, and 
> mathematics, especially Calculus!
>
> "Classical Mechanics: Efficient Equation of Motion Generation with Python" 
> project would be a great fit for my background and experience level.
>
> I would love the opportunity to be a part of this project as I believe I have 
> much to offer as a first year student while also being able to learn new 
> things along the way that can help me in my future endeavors.
>
> Can't wait to start contributing and collaborating with others on this 
> project!
>
> Sincerely,
> Hanna Zelis
>
> --
> You received this message because you are subscribed to the Google Groups 
> "sympy" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to sympy+unsubscr...@googlegroups.com.
> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/sympy/f1c07b68-cd3a-444e-aa89-701c3a5db1c1n%40googlegroups.com.

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Re: [sympy] Introduction

[Oscar Benjamin]

On Sat, 13 Mar 2021 at 20:12, ΓΕΩΡΓΙΟΣ ΣΕΜΕΡΤΖΑΚΗΣ
 wrote:
>
> Hello everyone,

Hi George,

> My name is George Semertzakis. I have a bachelor degree on Mathematics. I am 
> currently a postgraduate student on National and Kapodistrian Univertity of 
> Athens. I have strong background in linear algevra and know to handle the 
> python programming language. I have recently started exploring sympy library 
> for matrices. I find exciting the idea working on a project during the summer 
> period.
> I am interested in working on the mathematical project "Linear algebra: 
> tensor core". Any advice would be great.

I've just looked at that project description here:
https://github.com/sympy/sympy/wiki/GSoC-Ideas#linear-algebra-tensor-core

Honestly I don't understand what the project description is suggesting
to do so I'm not sure how to advise...

Oscar

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Re: [sympy] Introduction & query about contribution

[devesh...@gmail.com]

Sure, sounds reasonable. Will look through a bit and post when required. 
Thanks
On Saturday, March 6, 2021 at 6:34:31 AM UTC+5:30 Oscar wrote:

> On Thu, 4 Mar 2021 at 17:27, devesh...@gmail.com  
> wrote:
> >
> > Hi, I am a software engineer with a undergrad CS background having basic 
> familiarity of sympy. I am interested in number theory, basic abstract 
> algebra, theory of computation & board game AI. I was looking through the 
> ideas page and found the parser projects (C/Fortran) & computational group 
> theory quite interesting.
> >
> > It seems these are intended for GSoC, can these larger projects be 
> pursued by independent contributors who aren't students?
>
> Yes, absolutely. Those ideas are intended to be presented in a way
> that is helpful for GSOC applicants but at the same time it is really
> just a list of things that it would be good if "someone" would do.
> There are many more ideas listed than the number of places in GSOC and
> there is no problem with multiple people working on the same idea. If
> you are interested to work on any of those then please do.
>
> I recommend asking (e.g. here) about a particular idea before putting
> significant work in though. Firstly this can make sure that the
> project description you are reading is not out of date but also you
> could get some important tips that would help.
>
> --
> Oscar
>

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Re: [sympy] Introduction & query about contribution

[Oscar Benjamin]

On Thu, 4 Mar 2021 at 17:27, devesh...@gmail.com  wrote:
>
> Hi, I am a software engineer with a undergrad CS background having basic 
> familiarity of sympy. I am interested in number theory, basic abstract 
> algebra, theory of computation & board game AI. I was looking through the 
> ideas page and found the parser projects (C/Fortran) & computational group 
> theory quite interesting.
>
> It seems these are intended for GSoC, can these larger projects be pursued by 
> independent contributors who aren't students?

Yes, absolutely. Those ideas are intended to be presented in a way
that is helpful for GSOC applicants but at the same time it is really
just a list of things that it would be good if "someone" would do.
There are many more ideas listed than the number of places in GSOC and
there is no problem with multiple people working on the same idea. If
you are interested to work on any of those then please do.

I recommend asking (e.g. here) about a particular idea before putting
significant work in though. Firstly this can make sure that the
project description you are reading is not out of date but also you
could get some important tips that would help.

--
Oscar

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Re: [sympy] Introduction not visible in group chat.

[mayank gaur]

Yes I understand moderation!
Thanks a lot for approving!


On Sat, Jan 2, 2021, 02:45 Oscar Benjamin 
wrote:

> Sorry, the list is moderated by default so the first time you send a
> message someone needs to approve it. I've just approved both of your
> messages.
>
> On Fri, 1 Jan 2021 at 21:14, mayank gaur 
> wrote:
> >
> > I introduced myself to this community at this group around 2 days
> earlier but I cannot yet, see it in the conversations. Can someone tell me
> what happened?
> >
> > --
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> > To unsubscribe from this group and stop receiving emails from it, send
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> https://groups.google.com/d/msgid/sympy/e93ef03f-57d0-443a-9308-5e613ca35b2en%40googlegroups.com
> .
>
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> .
>

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Re: [sympy] Introduction not visible in group chat.

[Oscar Benjamin]

Sorry, the list is moderated by default so the first time you send a
message someone needs to approve it. I've just approved both of your
messages.

On Fri, 1 Jan 2021 at 21:14, mayank gaur  wrote:
>
> I introduced myself to this community at this group around 2 days earlier but 
> I cannot yet, see it in the conversations. Can someone tell me what happened?
>
> --
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Re: [sympy] Introduction to Sympy Community

[Rahul Pawar]

Hey this is Rahul pawar. I m also new to this project can someone guide us
both

On Sun, 2 Aug 2020, 2:37 pm Prakhar Agarwal, 
wrote:

> Hello everyone,
>
> I'm Prakhar Agarwal, I am going to get enrolled in First year of Bachelor
> of Technology.
>
> I've been coding in Python for last 1 year and I love it because of its
> ease of learning its syntax and also because of its use huge potential in
> scientific computing.
>
> Although I'm not someone who has used Sympy a lot but being a lover of
> Mathematics. I really want to leverage people working in mathematics with
> computational power and Sympy offers many projects to do it.
>
> Looking forward to a be a part of Sympy community and contribute to it.
>
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> 
> .
>

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Re: [sympy] Introduction for gsoc 2020

[Gagandeep Singh (B17CS021)]

Hi Abhay,

For `sympy.stats` module please go through the following links,

1. GSoC, 2020 ideas for Probability/Statistics -
https://github.com/sympy/sympy/wiki/GSoC-2020-Ideas#probability
2. GSoC, 2020 report for Probability/Statistics -
https://github.com/sympy/sympy/wiki/GSoC-2019-Report#gagandeep-singh-enhancement-of-statistics-module-francesco-bonazzi-sidhant-nagpal
 and
https://github.com/sympy/sympy/wiki/GSoC-2019-Report#ritesh-kumar-enhancement-of-statistics-module-francesco-bonazzi-sidhant-nagpal

Also, note that you have to satisfy the patch requirements of SymPy for
getting proposal evaluated. Thanks.

On Fri, Mar 20, 2020 at 8:17 PM Abhay Singh 
wrote:

> Hi,everyone I am Abhay Singh,a second year B.tech student at Indian
> Institute of Technology Patna.I have done several projects using python one
> of them on which I had recently worked was based on networkx module.I have
> mathematics knowledge upto engineering level.I want to work on
> Probability/static module for gsoc 2020.I am also doing a course named
> probability theory and random process in my current semester.Someone please
> guide me.
>
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> 
> .
>


-- 
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Gagandeep Singh
Github - https://github.com/czgdp1807/
Linkedin - https://www.linkedin.com/in/czgdp1807/


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Re: [sympy] Introduction and Idea for GSOC 2020 (Parsing)

[Souvik Mandal]

Thanks Nikhil. I will submit my research in proposal format in few days and 
will work on a patch as soon as possible.

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Re: [sympy] Introduction and Idea for GSOC 2020 (Parsing)

[Nikhil Maan]

Hey souvik, 

If you find something useful in your research, it'll be great if you can 
discuss it here. We can also provide our suggestions and feedback. You can 
also discuss the proposal here if you would like to before submitting,

Also, we do require you to submit at least one patch to SymPy along with 
your proposal. You can read more about it here. 


Regards, 
Nikhil Maan

On Sunday, February 16, 2020 at 2:35:10 PM UTC+5:30, Souvik Mandal wrote:
>
> Thanks, Aaron. I will research those. After I am done, should I discuss 
> those here or create a proposal and submit it somewhere (before actual 
> submission of proposal in GSoC website)? Also, do I need to contribute to 
> sympy before writing the proposal (I am new in this community)?
>
> On Sunday, February 16, 2020 at 1:43:52 PM UTC+5:30, Aaron Meurer wrote:
>>
>> The idea is somewhat open. There is already an existing LaTeX parser 
>> that uses ANTLR, but it could be improved. If you determine that 
>> another parser would be better, than we can switch. Also if you find 
>> something that already knows how to generate an AST for LaTeX we can 
>> look at using that as well. I don't know of anything out there, but I 
>> also haven't really researched it. 
>>
>> Basically, we haven't researched the problem enough ourselves yet to 
>> know what the best technological solution to it would be, so part of 
>> your proposal process would be doing that and discussing the options 
>> with us. 
>>
>> Aaron Meurer 
>>
>> On Sat, Feb 15, 2020 at 11:54 PM Souvik Mandal  
>> wrote: 
>> > 
>> > Hi, 
>> > I am Souvik Mandal. I am a fourth-year computer and engineering student 
>> from IIT Indore. I am interested in working in the Parsing project under 
>> Computer Science, Graphics, and Infrastructure Projects section. I have few 
>> doubts regarding the project - 
>> > 
>> > Do I need to design the AST, or will we be using AST for LaTeX that is 
>> already implemented? Also, will we be using ANTLR and python parser, or it 
>> needs to be implemented from scratch? It would be great if anyone can guide 
>> me. 
>> > 
>> > Thank you. 
>> > 
>> > -- 
>> > You received this message because you are subscribed to the Google 
>> Groups "sympy" group. 
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>> an email to sy...@googlegroups.com. 
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>> https://groups.google.com/d/msgid/sympy/5445b3ea-aa9f-4dcb-9564-70454ebd737e%40googlegroups.com.
>>  
>>
>>
>

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Re: [sympy] Introduction and GSOC 2020: Risch Algorithm

[Aaron Meurer]

The parts of the algorithm that are implemented are in
sympy/integrals/ in risch.py, rde.py, and prde.py.

A good place to start would be to look at Chetna's unmerged pull
requests from 2013. There is also the gitter.im/jksuom/sympy chat
history, where the most recent developments have been discussed (you
may need to scroll back a bit).

Aaron Meurer

On Fri, Feb 28, 2020 at 4:22 AM Risubh Jain  wrote:
>
> Hi,
>
> I am Risubh Jain, a 2rd year undergraduate student of Computer Science at 
> IIIT Hyderabad, India. I first contributed to sympy towards the end of 2019. 
> I wanted to work with sympy for GSOC 2020 and am inclined toward the project 
> "Risch algorithm for symbolic integration".
>
> I first read about risch algorithm on the ideas list and since then have 
> started reading the Bronstein book. In the wiki page it is mentioned that the 
> algorithm is already implemented somewhat . I skimmed through the work done 
> by chetna in her project back in 2013. I wanted to ask about the current 
> expectations of the project. From where exactly does work need to be resumed 
> on this?
>
> Regards,
> Risubh Jain
>
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Re: [sympy] Introduction and Idea for GSOC 2020 (Parsing)

[Souvik Mandal]

Thanks, Aaron. I will research those. After I am done, should I discuss 
those here or create a proposal and submit it somewhere (before actual 
submission of proposal in GSoC website)? Also, do I need to contribute to 
sympy before writing the proposal (I am new in this community)?

On Sunday, February 16, 2020 at 1:43:52 PM UTC+5:30, Aaron Meurer wrote:
>
> The idea is somewhat open. There is already an existing LaTeX parser 
> that uses ANTLR, but it could be improved. If you determine that 
> another parser would be better, than we can switch. Also if you find 
> something that already knows how to generate an AST for LaTeX we can 
> look at using that as well. I don't know of anything out there, but I 
> also haven't really researched it. 
>
> Basically, we haven't researched the problem enough ourselves yet to 
> know what the best technological solution to it would be, so part of 
> your proposal process would be doing that and discussing the options 
> with us. 
>
> Aaron Meurer 
>
> On Sat, Feb 15, 2020 at 11:54 PM Souvik Mandal  > wrote: 
> > 
> > Hi, 
> > I am Souvik Mandal. I am a fourth-year computer and engineering student 
> from IIT Indore. I am interested in working in the Parsing project under 
> Computer Science, Graphics, and Infrastructure Projects section. I have few 
> doubts regarding the project - 
> > 
> > Do I need to design the AST, or will we be using AST for LaTeX that is 
> already implemented? Also, will we be using ANTLR and python parser, or it 
> needs to be implemented from scratch? It would be great if anyone can guide 
> me. 
> > 
> > Thank you. 
> > 
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups "sympy" group. 
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to sy...@googlegroups.com . 
> > To view this discussion on the web visit 
> https://groups.google.com/d/msgid/sympy/5445b3ea-aa9f-4dcb-9564-70454ebd737e%40googlegroups.com.
>  
>
>

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Re: [sympy] Introduction and Idea for GSOC 2020 (Parsing)

[Aaron Meurer]

The idea is somewhat open. There is already an existing LaTeX parser
that uses ANTLR, but it could be improved. If you determine that
another parser would be better, than we can switch. Also if you find
something that already knows how to generate an AST for LaTeX we can
look at using that as well. I don't know of anything out there, but I
also haven't really researched it.

Basically, we haven't researched the problem enough ourselves yet to
know what the best technological solution to it would be, so part of
your proposal process would be doing that and discussing the options
with us.

Aaron Meurer

On Sat, Feb 15, 2020 at 11:54 PM Souvik Mandal  wrote:
>
> Hi,
> I am Souvik Mandal. I am a fourth-year computer and engineering student from 
> IIT Indore. I am interested in working in the Parsing project under Computer 
> Science, Graphics, and Infrastructure Projects section. I have few doubts 
> regarding the project -
>
> Do I need to design the AST, or will we be using AST for LaTeX that is 
> already implemented? Also, will we be using ANTLR and python parser, or it 
> needs to be implemented from scratch? It would be great if anyone can guide 
> me.
>
> Thank you.
>
> --
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Re: [sympy] Introduction to SymPy community

[Jason Moore]

Nicolás, Welcome to the mailing list!

Thank you so much for maintaining the database. We very much appreciate it.

Jason
moorepants.info
+01 530-601-9791


On Wed, Jan 29, 2020 at 6:11 AM Nicolás Guarín-Zapata 
wrote:

> Hello,
>
> I am Nicolás Guarín-Zapata, PhD candidate at Purdue University. I am
>> comfortable using Python (and SymPy), and have developed some packages
>> using them. I have contributed to SymPy in the past doing things like:
>> testing ODE solvers, documentation, website translation to Spanish (and
>> some other minor stuff). Currently, I lecture a course in "Advanced
>> Mathematics for Engineers" where we use SymPy.
>>
>
> I forgot to mention that I am the main maintainer of the SymPy-related
> papers database.
>
> Best,
> Nicolás
>
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> 
> .
>

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Re: [sympy] Introduction to SymPy community

[Nicolás Guarín-Zapata]

Hello,

I am Nicolás Guarín-Zapata, PhD candidate at Purdue University. I am
> comfortable using Python (and SymPy), and have developed some packages
> using them. I have contributed to SymPy in the past doing things like:
> testing ODE solvers, documentation, website translation to Spanish (and
> some other minor stuff). Currently, I lecture a course in "Advanced
> Mathematics for Engineers" where we use SymPy.
>

I forgot to mention that I am the main maintainer of the SymPy-related
papers database.

Best,
Nicolás

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Re: [sympy] Introduction to Sympy Community

[Jogi Miglani]

Hi Afia,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.


Cheers!
Jogi Miglani | Undergraduate
Mathematics And Computing
Indian Institute Of Technology (BHU), Varanasi

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Re: [sympy] Introduction to SymPy community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Sun, 12 Jan, 2020, 2:28 PM Sakshi Gupta, 
wrote:

> Hi,
> I am Sakshi Gupta a sophomore from Maharaja Agrasen Institute of
> Technology, Delhi,India.
> I am an advanced level programmer in C, C++, Java and Python language.
> Currently I am perusing my Bachelor's degree as an Electronics and
> Communication Engineering, having good command in high school and
> Engineering Math.
> I have special expertise in Algorithms and Calculus.
> I am a GSOC 2020 aspirant and would like to contribute to SymPy.
> Please Guide Me as I am new to it.
> hank You
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy Community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Mon, 6 Jan, 2020, 1:11 PM SHUBHAM MAURYA,  wrote:

> Hello everyone ,  myself  shubham maurya,  bachelors  student of computer
> science engineering at nit agartala. I have intermediate  knowledge python
> and c++ . I have interest in field of machine learning and data science. I
> have done capstone project and other computer vision projects.I have
> engineering level maths knowledge.Interested in calculus.looking forward a
> lot to learn .  my gitter account name is  @shubhamnita2020 .
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy Community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

You can take a look at my previous year work at
https://gist.github.com/czgdp1807/199ae335a28bcfc4a6bcd02138c4108e

Though I will not be officially mentoring for the 2020 version of GSoC, but
feel free to ping me on gitter for any questions.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Fri, 3 Jan, 2020, 10:26 PM Anjali Jha,  wrote:

> Hello Everyone,
> I am Anjali Jha, an undergraduate student at IIT Kharagpur. I am more than
> willing to make significant contributions especially in the Probability and
> Statistics package of Sympy. I am very comfortable with Python and would be
> really obliged if someone could help me with how to start contributing.
>
> Thanking You,
> Regards,
> Anjali Jha
>
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> 
> .
>

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Re: [sympy] Introduction to SymPy community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

You can take a look at my previous year work at
https://gist.github.com/czgdp1807/199ae335a28bcfc4a6bcd02138c4108e

Though I will not be officially mentoring for the 2020 version of GSoC, but
feel free to ping me on gitter for any questions.
With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Fri, 3 Jan, 2020, 8:08 PM 'Sai Prasanth' via sympy, <
sympy@googlegroups.com> wrote:

> Hello everyone, I'm Sai Prasanth and undergraduate from IIT Varanasi. I
> would like to contribute to SymPy for the upcoming GSOC 2020. I have an
> intermediate knowledge of python and C++. I would like to contribute to the
> Probability and Statistics packages of SymPy. If someone could show a
> starting point then it would be great. Thank You.
>
> --
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> 
> .
>

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Re: [sympy] Introduction to sympy community

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Mon, 30 Dec, 2019, 5:31 PM Yash Bhambhu,  wrote:

> Greetings.
> I am Yash Bhambhu a sophomore pursuing int. MTech in mathematics and
> computing at the IIT Dhanbad. I am a machine learning enthusiast and also
> have apt skills in deep learning, computer vision, and natural language
> processing. I use libraries like numpy very frequently which made me get in
> touch with sympy and I was really impressed by how elegant and clean yet
> powerful the framework is. I would be more than happy to increase the
> awesomeness of this already great library. I am proficient in python with
> over 3 years of experience now and 2 years of experience with numerical
> libraries. I came across the fact that Ordinary differential equations is a
> field sympy wants to improve in and it is one of my area of interests too
> as it is also included in my academic coursework. it would be really kind
> of community to guide me for where and how to start contributing so that I
> can get most out of my skills
>
>
> Warm regards,
> Yash bhambhu.
>
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> 
> .
>

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Re: [sympy] Introduction To Sympy Community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Fri, 27 Dec, 2019, 10:00 PM ibtihaj naeem, 
wrote:

> Hi
> I am Muhammad Ibtihaj Naeem , a Under Graduate Student of computer science
> at Bahria University currently studying in 5th semester  . I have been
> working with python for 8 months and had done some my own projects just to
> hand zone python . I have studied Calculus , Multi variable Calculus ,
> Probability and Statistic , Differential Equation and Linear Algebra . I
> want to be a contributor of sympy as I had previously contributed in
> TheAlgorithms/Python which is little bit similar to sympy and I am willing
> to participate in Gsoc 2020 .
>
> Looking Forward to your reply .
>
> Thanking You
> Yours Sincerely
> Muhammad Ibtihaj Naeem
>
> My Github Profile
> https://github.com/MeIbtihajnaeem
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy Community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.
With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Tue, 24 Dec, 2019, 5:54 PM Maanas Vohra, 
wrote:

> Hello everyone,
>
> I'm a fourth year undergraduate student at IIIT Allahabad majoring in
> Information Technology. I've done prior coursework in Soft Computing and
> Deep Learning as part of my curriculum which involved assignments using
> Python, Numpy and Tensorflow. I've also done projects using the Django
> framework. I had Linear Algebra as part of my coursework in second year.
> I'm getting familiar with Sympy and I look forward to contributing to it.
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Tue, 24 Dec, 2019, 5:47 PM Hashara Kumarasinghe, <
kashkumarasinghe...@cse.mrt.ac.lk> wrote:

> I am Hashara Kumarasinghe, a 2nd year undergraduate at the Department of
> Computer Science and Engineering, University of Moratuwa, Sri Lanka. I have
> had experience in programming with python since 2017. For programming
> contests like IEEEXtreme, I always choose python as the programming
> language. I have studied combined mathematics and physics for GCE AL 2016.
> I have taken Engineering mathematics, Numerical Methods for Computer
> Science, Calculus for System Modelling, Graph Theory for Computing as maths
> modules in the past semesters and this semester (semester 4) I am studying
> Linear Algebra, Differential Equations and Applications. I am quite
> familiar with mathematical symbols and notations and would like to
> contribute to sympy as I'm looking forward to do programming while also
> using my knowledge in mathematics. Currently, I am getting familiar with
> sympy and looking forward to contributing to the community.
> Please guide me further.
>
> Regards,
> Hashara Kumarasinghe
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy Community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Tue, 24 Dec, 2019, 11:14 PM shuvomoy dey,  wrote:

> I am Shuvomoy Dey, a second year undergraduate student in the department
> of mechanical engineering, IIT Kharagpur. I have 1 year coding experience
> in python. So far, I have done courses in transform calculus, complex
> analysis, vector algebra and differential calculus. I look forward to
> contributing in Sympy community and learning a great deal from it.
>
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> .
>

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Re: [sympy] Introduction

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Sat, 21 Dec, 2019, 10:44 PM SAGALPREET SINGH, <
sagalpreetsing...@gmail.com> wrote:

> Hi,
> I am Sagalpreet Singh and I am a first year student of B.Tech in Computer
> Science and Engineering at Indian Institute of Technology Ropar , Punjab.(I
> am from Punjab and know Hindi and Punjabi language in addition to English.)
> I have been programming in python for the past 3 years. I have also
> undergone Programming and Data Structures course in my first semester in
> python for which I made a project on Impression Networks using NetworkX.
> Alongwith NetwoksX, I have explored Numpy library and recently came
> accross Sympy library for which I would be really delighted to contribute.
> I am greatly interested in algorithms espaecially, the randomized, graph
> and greedy algorithms.
> I am an NTSE scholar. I also qualified for RMO twice and I was in top 1%
> in my state in NSEJS. I have a good mathematical background and I wish to
> use my knowledge and aptitude in this field in contributing towards sympy.
> Please guide me further.
> Thank You.
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy community

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Thu, 19 Dec, 2019, 5:32 PM Abhishek Vora, 
wrote:

> I have been starting my journey to open source contributions and want to
> willingly contribute to the Sympy community. So, I would humbly request for
> anyone there who could guide me in contributing to the commuity. Thanks in
> advance.
>
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> 
> .
>

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Re: [sympy] Introduction to SymPy community

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Mon, 16 Dec, 2019, 11:53 PM Akhil Rajput,  wrote:

> Hello everyone,
> I am Akhil Rajput, 3rd year undergraduate in Computer Science and
> Engineering department of IIT Mandi. I am really obsessed with mathematics
> and really enjoy working on the subject in general. Being a programmer, I
> really wanted to do something related to mathematics. That's why I wanted
> to contribute to the sympy project. I have been programming in python since
> 2 years now and I feel very comfortable coding in python. Right now I am
> getting familiar using sympy and looking around for contributing to the
> community. Looking forward to help and contribute to the community!
>
> Regards
> Akhil Rajput
>
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> 
> .
>

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Re: [sympy] Introduction to Sympy community

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Mon, 16 Dec, 2019, 9:37 PM Vipul Gupta, 
wrote:

> Hello all,
> I am Vipul Gupta, 3rd year undergraduate in Mathematics and Computing
> department of IIT-BHU. I have keen interest in Mathematics and had been
> coding in python since last 3 years.
> Therefore, being involving maths, sympy suits my interest.
> Please tell me how can I begin contributing to Sympy.
> Regards
> Vipul Gupta
>
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> 
> .
>

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Re: [sympy] Introduction to the community.

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Wed, 11 Dec, 2019, 12:25 PM Nitish Gupta,  wrote:

> Hi! I am Nitish Gupta studying currently pursuing my undergraduate degree
> in Electronics and Communication Engineering from Pranveer Singh Institute
> of Technology, Kanpur, UP, India. I have been programming in Python since
> the past 2.5 years. Maths has always been fun to me. Since my high school
> I've studied mathematics in 3 of my (total 5 completed) semesters. I have
> keen interest in Machine Learning and Deep Learning and have almost a year
> of experience in this domain , working with and studying algorithms. I am
> pretty comfortable with mathematical notations and symbols but never did
> any extra coursework except from my school. I've been an active lurker on
> the sympy community and still getting familiar of the tons of features
> sympy has to offer. Would love to contribute to the community.
>
> Regards
> Nitish Gupta
>
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> 
> .
>

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Re: [sympy] Introduction to the community

[Gagandeep Singh (B17CS021)]

Hi,

 Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

For statistics module you can take a look at my work available at,
https://github.com/sympy/sympy/wiki/GSoC-2019-Report#gagandeep-singh-enhancement-of-statistics-module-francesco-bonazzi-sidhant-nagpal



With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Wed, 11 Dec, 2019, 1:49 PM Vikrant Dewangan, <
dewangan.vikrant...@gmail.com> wrote:

> Hello everyone,
>
> I am Vikrant Dewangan, a 2nd year Computer Science student at
> International Institute of Information Technology,Hyderabad. I am have been
> coding in python for the past 15 months. I am interested in Probability and
> Statistics and have done courses on same along with Linear Algebra,
> Discrete Structures, Graph Theory and Real Analysis. I have cleared
> Regional Mathematics Olympiad and am also highly interested in Graphs and
> Network Theory. I am learning to use SymPy and would like to contribute
> more to the community.
> Please guide me and share the relevant resources needed.
>
> Will be grateful.
>
> Regards,
> Vikrant Dewangan
> II Year Computer Science
> IIIT-Hyderabad
> Hyderabad, Telangana
>
>
>
>
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> 
> .
>

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Re: [sympy] Introduction to the community

[Gagandeep Singh (B17CS021)]

Please select any issue which you think you can solve. AFAIKA, we don't
assign issues.
Thanks for your interest in the project.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Wed, 11 Dec, 2019, 12:47 PM Shubham Sidhartha, 
wrote:

> Hi,
>
> I have gone through the contributing guide and the tutorial. Please guide
> me further and assign me with an issue to work upon to get familiar with
> the codebase.
>
> Regards
> Shubham Sidhartha
> III Year, IMSc Applied Mathematics
> IIT Roorkee, India
>
> --
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> 
> .
>

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Re: [sympy] Introduction to the community

[Shubham Sidhartha]

Hi,

I have gone through the contributing guide and the tutorial. Please guide
me further and assign me with an issue to work upon to get familiar with
the codebase.

Regards
Shubham Sidhartha
III Year, IMSc Applied Mathematics
IIT Roorkee, India

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Re: [sympy] Introduction

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Sun, 1 Dec, 2019, 3:12 PM nisarg shah,  wrote:

> Hello Everyone,
> This is Nisarg Shah, 3rd year Mechanical Engineering student at National
> Institute of Technology,Karnataka particularly interested in Data Science
> and Machine Learning. I have been studying Probability and Statistics for a
> while now and also have a good knowledge of Python and Data Structures and
> Algorithms. I would like to contribute towards any project related to
> Probability and statistics.  Please guide me through the current projects
> regarding the same.
>
> Thanks and Regards
> Nisarg Shah
> National Institute of Technology,Karnataka
>
> --
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> 
> .
>

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Re: [sympy] Introduction

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.
With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Sun, 1 Dec, 2019, 2:47 PM Divyam Singal, 
wrote:

> Hello everyone,
>
> This is Divyam Singal, a 1st year student studying Maths and Computing at
> IIT Guwahati. I have interest in Maths and have also cleared INMO in year
> 2019. I got Honourable Mention at Sharygin Geometry Olympiad. I know a
> little about Python language.
>
> I am more interested in the algebra based projects on SymPy.
> Please guide me as to how to procede further.
>
> Regards
> Divyam Singal
> IIT Guwahati
>
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> 
> .
>

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Re: [sympy] Introduction to the community

[Gagandeep Singh (B17CS021)]

Hi, Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
list(https://github.com/sympy/sympy/labels/Please%20take%20over)  for
stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Sun, 1 Dec, 2019, 12:37 PM Shubham Sidhartha, 
wrote:

> Hello everyone,
>
> I am Shubham Sidhartha, 3rd Year student of Applied Mathematics at Indian
> Institute of Technology, Roorkee. I have been working in python and ruby
> for last 8 months and also I have an interest in Data Structures and
> Algorithms. I have done courses like Differential Equations, Graph Theory,
> Number Theory, Abstract Algebra, Complex Analysis, Linear Algebra,etc. I
> have a very keen interest in mathematics and programming as well. Please
> guide me how can I start contributing.
>
> Regards
> Shubham Sidhartha
> III Year Applied Mathematics
> IIT Roorkee, Roorkee
> Uttarakhand (India)
>
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> 
> .
>

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Re: [sympy] Introduction to community

[Jason Moore]

Vikash,

Welcome. I recommend starting here:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Once you have gone through the tutorial, reviewed the documentation, and
open issues you can then ask more questions about how to move forward.

Jason
moorepants.info
+01 530-601-9791


On Sun, Nov 24, 2019 at 9:26 AM vikash sharma 
wrote:

> Hello everybody,
> My name is vikash vishwakarma ,Pursuing B.tech in Computer science
> i am having good skill in Discrete mathematics and Linear Algebra ,which i
> can shape into beautiful code of machine instruction using programing
> language (Assembly C,CPP,Python)
> Do guide me step by step ,probably i can solve your problem efficiently
> depending how well u elaborate the problem
>
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> 
> .
>

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Re: [sympy] Introduction to community

[Gagandeep Singh (B17CS021)]

Hi,

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
report(
https://docs.google.com/document/d/1072dGrmmnl7v7XC6EWQdUeYF_o4LJZlco9Fn5p3Z554/edit?usp=drivesdk)
and this list(https://github.com/sympy/sympy/labels/Please%20take%20over)
for stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Sun, 17 Nov, 2019, 9:18 AM Yashwant Singh, 
wrote:

> Hi everyone,
>
> I am Yashwant Singh sophomore computer science student in Dayananda Sagar
> College of Engineering, Banglore.
> I have now been pursuing python for about 2 years now and also have a deep
> interest in mathematics and have had mathematics in high school and my
> current undergrad degree also so I'm very exited to start contributing to
> this open source library which combines both my passions i.e.programming
> and mathematics. In mathematics calculas and linear algebra are my favorite
> topics and in physics I have deep interest in mechanics.
>
> I live in Banglore, India and my native language is Hindi with English as
> my second language.
>
> Thanks
> Yashwant Singh
>
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> 
> .
>

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Re: [sympy] Introduction

[Gagandeep Singh (B17CS021)]

*Hi, *

Please read the contributing guide(
https://github.com/sympy/sympy/wiki/Introduction-to-contributing). In
addition, also take a look at README(
https://github.com/sympy/sympy/blob/master/README.rst). Take a look at this
report(
https://docs.google.com/document/d/1072dGrmmnl7v7XC6EWQdUeYF_o4LJZlco9Fn5p3Z554/edit?usp=drivesdk)
and this list(https://github.com/sympy/sympy/labels/Please%20take%20over)
for stalled PRs. Feel free to open a new one for continuing one of these.

With Regards,
Gagandeep Singh
Github - https://www.github.com/czgdp1807
LinkedIn - https://www.linkedin.com/in/czgdp1807

On Tue, 12 Nov, 2019, 1:18 AM saksham jain,  wrote:

> Hi,
> My name is Saksham Jain pursuing my B.Tech in Computer Science from Kanpur
> Institute Of Technology(2017-21).
>
> I am working in Python from past one year.
>
> I am new to Open Source so please guide me how can I start and contribute
> to Sympy.
>
> Thanks.
>
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> 
> .
>

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RE: [sympy] Introduction to community

[Vishesh Mangla]

I asked them for laplace transform to solve differential equations in my GSoC 
proposal but I don’t think it’s required. I additionally said to include 
residue theorem /Cauchy’s integral formula too.

Sent from Mail for Windows 10

From: open jungle
Sent: 16 October 2019 03:31
To: sympy
Subject: [sympy] Introduction to community

Hello, 

My name is Orestis Vaggelis and I'm a sophomore mathematics student on the 
National and
Kapodistrian University of Athens. I have a 1 year of Python experience and I 
am very excited, that I
am able to combine mathematics and programming on an open source project, and 
(potentially) help other people with my contribution! I am very interested on 
expanding the ordinary differential equation solveset and I would love some 
feedback on a few ideas that I have!

1) Firstly, I read the ODE docs and I think that, currently Sympy does not have 
a way to solve an
 ordinary differential equation or simultaneous differential equations 
using the Laplace transform. 
3) Implement solver for the legendre equation.
2) Implement Sturm - Liouville form, which can apply on the Bessel equation, 
the legendre equation and on many other cases.
4) Implement Finite difference methods to convert a linear (non-linear) 
Ordinary Differential Equation into a system of linear (non-linear) equations, 
which can then be solved by matrix algebra techniques.


I will keep looking for more things to implement, but if you have something in 
mind, please don't hesitate to let me know !!



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Re: [sympy] Introduction to community

[Oscar Benjamin]

Hi Orestis,

It's great that you would like to contribute to SymPy. There is plenty
of work to be done on ODEs. For your suggestions I think that possibly
the simplest would be implementing a solver for the Legendre equation.
I would recommend to start with fixing the simplest thing possible
though and adding a new solver like for the Legendre equation is
possibly not something best to try for a first pull request.

There is a list of open issues for ODEs here:
https://github.com/sympy/sympy/labels/solvers.dsolve
I don't know if any of those should be considered easy.

We also have non-ODE issues that are labelled as "easy to fix"
although not all are actually easy:
https://github.com/sympy/sympy/labels/Easy%20to%20Fix

Oscar

On Tue, 15 Oct 2019 at 23:01, open jungle  wrote:
>
> Hello,
>
> My name is Orestis Vaggelis and I'm a sophomore mathematics student on the 
> National and
> Kapodistrian University of Athens. I have a 1 year of Python experience and I 
> am very excited, that I
> am able to combine mathematics and programming on an open source project, and 
> (potentially) help other people with my contribution! I am very interested on 
> expanding the ordinary differential equation solveset and I would love some 
> feedback on a few ideas that I have!
>
> 1) Firstly, I read the ODE docs and I think that, currently Sympy does not 
> have a way to solve an
>  ordinary differential equation or simultaneous differential equations 
> using the Laplace transform.
> 3) Implement solver for the legendre equation.
> 2) Implement Sturm - Liouville form, which can apply on the Bessel equation, 
> the legendre equation and on many other cases.
> 4) Implement Finite difference methods to convert a linear (non-linear) 
> Ordinary Differential Equation into a system of linear (non-linear) 
> equations, which can then be solved by matrix algebra techniques.
>
>
> I will keep looking for more things to implement, but if you have something 
> in mind, please don't hesitate to let me know !!
>
>
>
> --
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> "sympy" group.
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> email to sympy+unsubscr...@googlegroups.com.
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Re: [sympy] Introduction About Myself

[Divyanshu Thakur]

Hi Radhe,

It's great that you are passionate about open source and wants to
contribute to SymPy.
I would recommend you to go through the contribution guidelines of SymPy
 and
get started with Easy to fix issues
 to make yourself
familiar with the code base.


Regards,
Divyanshu

On Mon, Oct 7, 2019, 4:04 PM Radhe Raman Tiwari <
radheramantiwar...@gmail.com> wrote:

> Hello Everyone,
>
> It's stated that I Radhe Raman Tiwari is a Computer Science Student who is
> having a passion to work towards Open Source Community and SymPy is a great
> Community to do so, because I have a passion in mathematics especially in
> algebra and calculus, Calculus is the most interesting topics which I like
> most and in order to solve calculus problems mostly algebra comes into
> picture and in algebra, the basic thing which I like most the equality
> between left-hand side and right-hand side which makes the concepts very
> clear that's why I like calculus and algebra most in mathematics.
>
> If I talk about SymPy it's awesome because of Sympy does as we do with the
> help of pen and paper it makes things like we use to solve the mathematical
> expression( *i.e *differentiating *y = x^2* with respect to *x *and it
> gives us the result *2*x *which is same as we give.) And the details
> about myself are the following.
>
>
>- The level of familiarity with python is OOPS concepts and standard
>libraries.
>
>
>- The experience of programming with Python is 1 year.
>
>
>- The Projects which I did with the help of Python are following
>
>
>1.  Rice Crop Insects And Weed Detection And Classification Using
>Faster R-CNN
>
> 
>2. Classification and Analysis of Unstructured Data for Windows
>
> 
>
>3. Classification and Analysis of Unstructured Data for Ubuntu
>
> 
>
>
>
>- The mathematical education understanding level is my undergraduate
>degree which is, I am pursuing right now.
>
>
>- My familiarity with SymPy is that generating expression by writing
>programming tex, solving algebraic expression and finding their root,
>integrating mathematical expression and many more.
>
>
>-  The level of familiarity with symbolic math systems is an
>undergraduate degree.
>
>
>-  I am native in Hindi and professional fluency in the English
>language.
>
>
> And the last but not the list I am looking forward to any such kind of
> opportunities from SymPy which makes me an Open Source Contributor thanks
> in advance.
>
>
>
>
> Thanks and Regards,
>
> Radhe Raman Tiwari
> Imphal, India
> https://sites.google.com/prod/view/radhetians
> +91 834-042-2626 | radheramantiwar...@gmail.com
> GitHub 
>
>
>
>
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>

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Re: [sympy] Introduction and SymPy graphical scratchpad

[Tomasz Pytel]

Thanks, I may look into that but for now I am just starting out with SymPy 
and so am learning it by writing this app as well as doing some bugfixes 
for it... :)

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Re: [sympy] Introduction and SymPy graphical scratchpad

[Aaron Meurer]

Thank you, that looks cool. I think some of the stuff here would be
useful to integrate into SymPy Gamma
https://github.com/sympy/sympy_gamma.

Aaron Meurer

On Fri, Jul 5, 2019 at 8:51 PM Tomasz Pytel  wrote:
>
> Hi all, an introduction first as requested per etiquette: I have been 
> programming since the early 90s and coding Python specifically since 2001. I 
> am a dirty uneducated high school dropout but since math is fun I've studied 
> up to basic PDEs, vector calculus, linalg, some complex analysis and abstract 
> algebra. I wound up looking into SymPy after playing with my own CAS (just to 
> learn) and getting up to polynomial factoring before deciding to adapt the 
> front end for something a little more complete (SymPy :)
>
> I am posting to present my project for consideration to be included in the 
> list of projects using SymPy, which is esentially a graphical front-end / 
> calculator / scratchpad for SymPy. It is at an early stage but functional 
> enough to be useful for anyone doing a lot of math I think. Bug reports, 
> feedback and suggestions are welcome of course.
>
> The project is called SymPad and is available on GitHub at: 
> https://github.com/Pristine-Cat/SymPad
>
> Thank you...
>
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Re: [sympy] Introduction

[Ondřej Čertík]

Hi Dmytro,

On Tue, Apr 2, 2019, at 2:33 AM, dmytr...@gmail.com wrote:
> Hello. 
> 
> My name is Dmytro Kozii. I am a computer science undergraduate student 
> from Lviv Polytechnic National University. I have 2 years of working 
> experience with python. During this term, I developed face recognition 
> system based on raspberry pi and blog using python and a neural 
> controller for satellite rotation using c++. I have take a course of 
> Discrete Math, Linear Algebra and Analytic Geometry, Numerical Methods, 
> Probability and Math Statistic. Attend math Olympiad at school. 
> Interested in the algorithm: take a course of algorithm programming and 
> solve many tasks on LeetCode and in its Ukrainian analog Algotester.
> 
> I have the basic knowledge of sympy but I highly motivated and have the 
> ability to learn really fast. Live in Ukraine and my native language is 
> Ukrainian, also can speak English and Russian.

Welcome. What kind of projects would you like to work on?

Here are some ideas:

https://github.com/sympy/sympy/wiki/GSoC-2019-Ideas

Let me know your interests and I can point you in some directions.

See also:

https://github.com/sympy/sympy/wiki/GSoC-2019-Student-Instructions

(Don't forget the patch requirement.)


Ondrej

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Re: [sympy] Introduction to Community!

[Jason Moore]

Orestis,

Welcome to SymPy, start here:
https://github.com/sympy/sympy/wiki/GSoC-2019-Student-Instructions

Jason
moorepants.info
+01 530-601-9791


On Mon, Mar 25, 2019 at 12:16 PM Orestis Vaggelis 
wrote:

> Hello guys,
>
> my name is Orestis Vaggelis and I currently am on my junior year (2nd
> semester) on National and Kapodistrian University of Athens, majoring in
> mathematics. I am really interested on working on the Series Expansions
> Project, since it gives me the opportunity to combine math and programming.
> As for the series expansions part, I have taken courses on Calculus I and
> II and I am familiar with all the concepts necessary for this project.
> Regarding programming, I have been using matlab and python, for over a
> year now.
> I haven't really done much to contribute on Sympy yet, but I've just
> started and I am planning to do so, as much as possible!
>
> For any more information, please don't hesitate to contact me!
>
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Re: [sympy] Introduction and a question

[Chris Smith]

Perhaps the loosely connected components could be identified in some 
canonical way. #16225  

On Wednesday, March 13, 2019 at 2:11:00 PM UTC-5, Aaron Meurer wrote:
>
> If you follow the StackOverflow links at 
> https://github.com/sympy/sympy/issues/11869 you can see some 
> suggestions on how to do this sort of thing. 
>
> Aaron Meurer 
>
> On Sun, Mar 10, 2019 at 12:56 AM Mark Juers  > wrote: 
> > 
> > I'm a 4th-year PhD student in evolutionary biology at Indiana University 
> in Bloomington, IN. I've been using Python for about a year for various 
> biology projects and am working on a package related to my dissertation 
> work.  I am looking to replace Mathematica with SymPy in my workflow. I use 
> Git and Github for my research projects and for personal projects, 
> dotfiles, etc. as well. 
> > 
> > Now for my question. Suppose I have an expression like the following: 
> > 
> > from sympy import * 
> > var('a:d') 
> > w = Wild('w') 
> > test = a * (1 - c) + b * (c - 1) + d 
> > 
> > I'd like to rewrite test as (a - b) * (1 - c) + d 
> > I tried test.replace(a * w - b * w, collect(a * w - b * w, w)), but this 
> does not work. 
> > 
> > Many thanks in advance for your help. 
> > 
> > -- 
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>  
>
> > For more options, visit https://groups.google.com/d/optout. 
>

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Re: [sympy] Introduction and a question

[Aaron Meurer]

If you follow the StackOverflow links at
https://github.com/sympy/sympy/issues/11869 you can see some
suggestions on how to do this sort of thing.

Aaron Meurer

On Sun, Mar 10, 2019 at 12:56 AM Mark Juers  wrote:
>
> I'm a 4th-year PhD student in evolutionary biology at Indiana University in 
> Bloomington, IN. I've been using Python for about a year for various biology 
> projects and am working on a package related to my dissertation work.  I am 
> looking to replace Mathematica with SymPy in my workflow. I use Git and 
> Github for my research projects and for personal projects, dotfiles, etc. as 
> well.
>
> Now for my question. Suppose I have an expression like the following:
>
> from sympy import *
> var('a:d')
> w = Wild('w')
> test = a * (1 - c) + b * (c - 1) + d
>
> I'd like to rewrite test as (a - b) * (1 - c) + d
> I tried test.replace(a * w - b * w, collect(a * w - b * w, w)), but this does 
> not work.
>
> Many thanks in advance for your help.
>
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Re: [sympy] Introduction and a question

[Oscar Benjamin]

There probably is a better way of doing this in your problem but I
just want to point out a way to "manually" extract parts of an
expression. Let's create an expression with a few parts:

In [1]: a, b, c, x = symbols('a b c x')

In [2]: p = a*x**2 + b*x + c

In [3]: r1, r2 = solve(p, x)

In [4]: r1
Out[4]:
_
   ╱   2
-b + ╲╱  -4⋅a⋅c + b
─
 2⋅a

Okay now suppose I want to get the discriminant out from inside the
square root and do something with it. I can use the .args attribute of
each sympy expression to drill down to the part I want like this:

In [5]: r1.args
Out[5]:
⎛_⎞
⎜ 1 ╱   2 ⎟
⎜1/2, ─, -b + ╲╱  -4⋅a⋅c + b  ⎟
⎝ a   ⎠

In [6]: r1.args[2]
Out[6]:
_
   ╱   2
-b + ╲╱  -4⋅a⋅c + b

In [7]: r1.args[2].args
Out[7]:
⎛   _⎞
⎜  ╱   2 ⎟
⎝╲╱  -4⋅a⋅c + b  , -b⎠

In [8]: r1.args[2].args[0]
Out[8]:
   _
  ╱   2
╲╱  -4⋅a⋅c + b

In [9]: r1.args[2].args[0].args
Out[9]:
⎛  2 ⎞
⎝-4⋅a⋅c + b , 1/2⎠

In [10]: r1.args[2].args[0].args[0]
Out[10]:
  2
-4⋅a⋅c + b


On Sun, 10 Mar 2019 at 16:01, Mark Juers  wrote:
>
> In my real problem, d is an arbitrarily complex expression I'd rather not 
> type out in full, and the factored part is inside a subexpression, so I'm not 
> sure I could get this to work.
>
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Re: [sympy] Introduction and a question

[Mark Juers]

In my real problem, d is an arbitrarily complex expression I'd rather not type 
out in full, and the factored part is inside a subexpression, so I'm not sure I 
could get this to work.

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Re: [sympy] Introduction and a question

[Oscar Benjamin]

I'm not sure if this would work for your real problem but for this
example you can do:

In [8]: factor(test-d)+d
Out[8]: d - (a - b)⋅(c - 1)

On Sun, 10 Mar 2019 at 07:56, Mark Juers  wrote:
>
> I'm a 4th-year PhD student in evolutionary biology at Indiana University in 
> Bloomington, IN. I've been using Python for about a year for various biology 
> projects and am working on a package related to my dissertation work.  I am 
> looking to replace Mathematica with SymPy in my workflow. I use Git and 
> Github for my research projects and for personal projects, dotfiles, etc. as 
> well.
>
> Now for my question. Suppose I have an expression like the following:
>
> from sympy import *
> var('a:d')
> w = Wild('w')
> test = a * (1 - c) + b * (c - 1) + d
>
> I'd like to rewrite test as (a - b) * (1 - c) + d
> I tried test.replace(a * w - b * w, collect(a * w - b * w, w)), but this does 
> not work.
>
> Many thanks in advance for your help.
>
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Re: [sympy] Introduction

[Noumbissi Valere]

Hello Shubham Jha ,
You are welcome to the community

On Fri, Jan 18, 2019 at 8:18 PM SHUBHAM JHA  wrote:

> Hello everyone,
>
> I am Shubham Kumar Jha from National Institute of Technology Agartala. I
> am currently in the pre-final year of Undergraduate course in Computer
> Science & Engineering. I have more than four years of experience of working
> in Python and had Mathematics as a part of the curriculum till my sophomore
> year. I have good command over Calculus, Linear Algebra, Statistics,
> Probability, and Geometry.
>
> I am applying for GSoC 2019 and would like to have SymPy as my mentoring
> organization. I came across SymPy while working on a project heavily using
> SciPy libraries. I have done some mini-projects involving SymPy. I have
> already been a part of the community for some time and I find the community
> very supportive. I would be contributing to the project and seek the
> guidance of the community.
>
> Thanks,
> Shubham Kumar Jha
>
>
>
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Re: [sympy] Introduction and Question

[Agboola Mukhtar]

Welcome Pulkit, 
First I suggest you familiarize yourself a bit with sympy before jumping into 
the codebase. Check out the link below to get started:

https://github.com/sympy/sympy/wiki/introduction-to-contributing

It contains the basic things you will need to get started.
Good luck.





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Re: [sympy] Introduction and Question

[Oscar Benjamin]

On Sat, 17 Nov 2018 at 07:20, Pulkit Arora  wrote:
>
> Hi! I'm Pulkit Arora a 2nd year undergraduate, I came across sympy a week ago 
> and i was having some trouble finding my way in the Huge codebase SymPy has, 
> can someone help me out a bit?

Hi Pulkit. What exactly are you looking for?

> Also, Is it a good idea to get a grasp of sympy/core package or should i just 
> read its docs and try to solve issues in other packages?
> Thanks in advance!

I guess that depends what you want to do. If you're looking to improve
SymPy maybe you should try it out before looking at the code to see
which bits you would like to use and which you think can be improved.

--
Oscar

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Re: [sympy] Introduction

[Jason Moore]

Faisai,

I recommend asking questions on the Github issue about the specific bug you
may want to try to fix. Search for the easy to fix ones, pick one or more
that look interesting, try to understand as much as you can, and then ask
questions about what you don't understand there. We will help the best we
can.

Jason
moorepants.info
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On Sun, Sep 30, 2018 at 3:25 AM  wrote:

> Hello
>
> I am Faisal Riyaz , a computer engineering student in my sophomore year at
> Aligarh Muslim University . I am interested in contributing to sympy . I am
> new to open source and still looking for my first bug .
>
> I have been programming since high school. I am comfortabel in  C , C++
> and python . I started programming in python only 3 months ago yet i find
> it a very easy yet powerful language. As a part of my college curriculum i
> have done maths courses . I am quite comfortable with college level maths
> topic ( " Engineering curriculum" ) . Soon i will be taking Discrete maths
> class in college althought i have already gone through some videos from MIT
> OCW  on it . I find discrete mathematics very interesting .
>
> I have gone through your page  Introduction to contributing
>  but
> still i find myself unable to fix any bug. I have fairly good knowledge of
> programming and maths . I have taken high level maths course in my college
> . I know how to program in C , C++ and python .
>
> Sympy is the first computer algebra system i have come across although i
> have solved some calculus problems using wolfram alpha
>  . I have gone through sympy tutorial
>  and have installed nad used
> sympy . I find tutorial very helpful and easy to go through .
>
> I want to get into open source because i want to understand how softwares
> which are used in many people are developed . I have gone thorugh sympy's 
> introduction
> to contributing
> page .
> After going through issues
> 
> labelled easy to fix , i think is still need help in fixing them .
> I find it difficult to identify which part of codebase i have to work
> through to fix the bug .
>
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Re: [sympy] Introduction

[Jason Moore]

Jonathan,

Welcome and thanks for the nice introduction. We'd love to have you
contribute. Here is our starting point for doing so:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Let us know if you have any questions.

Jason
moorepants.info
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On Tue, Oct 2, 2018 at 8:42 AM Jonathan Warner 
wrote:

> My name is Jonathan Warner and I am a student at the University of Utah
> double-majoring in Computer Engineering and Applied Mathematics. I am
> currently a junior with 5+ years of programming experience. Most of this
> was not done in Python, but I have used Python enough to get by with a good
> editor, documentation, and stack overflow. I am familiar with computer
> architecture and algorithms, and I love to learn new things. My areas of
> interest are broad, including complexity theory, number theory, numerical
> computation, cryptography, hardware verification, physics, etc. I am really
> pretty familiar with a lot of math, particularly number theory. I believe
> the key to coming up with new ideas is to combine existing knowledge in a
> new way, so I like to read about lots of different inter-related things. As
> far as familiarity with computer algebra, I have used Mathematica (the
> Wolfram Language) a fair bit. Part of why I wanted to look into SymPy is
> because I was tired of having to deal with computation timeouts and
> internet requirement in the Wolfram Cloud. I am fairly new to SymPy, but I
> would like to contribute to the project, learning it one piece at a time. I
> hope I can use my intellect to help the project move forward and also learn
> some new things.
>
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Re: [sympy] Introduction and Interest in contribution to sympy on Geometry Module

[Aaron Meurer]

That sounds good. You can open a work in progress (WIP) pull request
if you have code that isn't completed yet but want to get some
feedback on it.

Aaron Meurer


On Tue, Aug 28, 2018 at 2:53 PM,   wrote:
> hello, everyone!
>
> My name is Rajiv Ranjan Singh and I have just started my 1st year of
> Engineering from J.S.S. Academy of Technical Education, Bangalore. I always
> wanted to contribute to society and do things which matter then I came
> across Github and contributing to Open Source. After going through I come to
> know about sympy and I think sympy is the thing which suites to me as I am
> very passionate about mathematics and programming.
>
> From last, one month I have gone through almost all documentation, Functions
> and Modules of sympy also understand some codebase of sympy and gone through
> most of Pull Request and Issues somethings I understand and somethings I
> don't.
>
> This is my first attempt at contributing to open source so as fresher I want
> to start with Geometry Module because I am very experienced with it and
> wanted to add some Features to Geometry Module because I personally feel
> that Geometry Module is lacking most of Features and Functions like
> equations of Pole, Polar, Auxilliary Circle, Curvature Radius etc and also
> the documents were not so arranged manner as whole Hyperbola Features is
> missing and very little Features of General Conic Section and many more. I
> am familiar with python from last 2 months and have little knowledge about
> DS and algorithms.
>
> Also, I want a suggestion that I have a dummy code of Auxilliary Circle
> Feature For Ellipse should I Pull Request it because I am very sure it will
> not pass the test.
>
> Hoping for guidance and help from everyone so I can contribute efficiently
> to sympy
>
> Thankyou
>
> Regards,
> Rajiv Ranjan Singh
>
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Re: [sympy] Introduction & addition of more features for Geometry module.

[Ashwin Shenoy]

Thank you very much 
On Friday, 10 August 2018 21:27:32 UTC+5:30, Jason Moore wrote:
>
> Ashwin,
>
> Yes you are welcome to add these features. You should start by reading 
> this guide and setting up your development environment:
>
> https://github.com/sympy/sympy/wiki/introduction-to-contributing
>
> Ask on the list if you have any questions.
>
> Jason
>
> moorepants.info
> +01 530-601-9791
>
> On Thu, Aug 9, 2018 at 7:58 PM, Ashwin Shenoy  > wrote:
>
>> Hello everyone ! I am Ashwin, a mechanical engineering student of 
>> National Institute of Technology, Karnataka, Surathkal. I am currently in 
>> my 5th semester BTech. This is my first attempt in contributing to open 
>> source. I have been programming in python for about 3 months & my main 
>> interest lies towards Data analysis & Machine learning. I was looking 
>> through the code base yesterday. I saw that there was no feature on 
>> 'Hyperbola' or any other 2-D curves like Astroid, Nephroids etc. 
>>
>> I was wondering If I can take this up. This will allow me to understand 
>> Sympy more practically, helping me towards larger projects.
>>
>> With kind regards,
>> Ashwin Shenoy
>>
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>> 
>> .
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>>
>
>

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Re: [sympy] Introduction & addition of more features for Geometry module.

[Jason Moore]

Ashwin,

Yes you are welcome to add these features. You should start by reading this
guide and setting up your development environment:

https://github.com/sympy/sympy/wiki/introduction-to-contributing

Ask on the list if you have any questions.

Jason

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On Thu, Aug 9, 2018 at 7:58 PM, Ashwin Shenoy 
wrote:

> Hello everyone ! I am Ashwin, a mechanical engineering student of National
> Institute of Technology, Karnataka, Surathkal. I am currently in my 5th
> semester BTech. This is my first attempt in contributing to open source. I
> have been programming in python for about 3 months & my main interest lies
> towards Data analysis & Machine learning. I was looking through the code
> base yesterday. I saw that there was no feature on 'Hyperbola' or any other
> 2-D curves like Astroid, Nephroids etc.
>
> I was wondering If I can take this up. This will allow me to understand
> Sympy more practically, helping me towards larger projects.
>
> With kind regards,
> Ashwin Shenoy
>
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Re: [sympy] Introduction

[Jason Moore]

You can also check out this document to get started:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

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On Tue, May 1, 2018 at 3:43 AM,  wrote:

> Hi all,
>
> I'm Caley Finn.  I'm a postdoc, working in mathematical physics at the
> University of Melbourne.  I've started using SymPy a bit in my research,
> and would like to start contributing in order to learn more about it.  I
> also have a programming background, and a bit of Python experience, but not
> on a project this big.
>
> I'll start by looking at the "Easy to fix" issues list, to see if there
> are some I can help out on.
>
> Cheers,
>
> Caley
>
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Re: [sympy] Introduction

[Aaron Meurer]

Hi Caley and welcome.

Let us know if you have any issues, either here or on the Gitter
channel. https://gitter.im/sympy/sympy

Aaron Meurer

On Tue, May 1, 2018 at 6:43 AM,   wrote:
> Hi all,
>
> I'm Caley Finn.  I'm a postdoc, working in mathematical physics at the
> University of Melbourne.  I've started using SymPy a bit in my research, and
> would like to start contributing in order to learn more about it.  I also
> have a programming background, and a bit of Python experience, but not on a
> project this big.
>
> I'll start by looking at the "Easy to fix" issues list, to see if there are
> some I can help out on.
>
> Cheers,
>
> Caley
>
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Re: [sympy] Introduction - Ben Gatten

[Aaron Meurer]

Hi and welcome.

If this is for GSoC (you didn't mention), don't forget the patch
requirement, which is due the same day as the proposals (this
Tuesday).

Aaron Meurer

On Fri, Mar 23, 2018 at 10:06 PM,   wrote:
> Hello all,
>
> My name is Ben Gatten and I am a senior in Mechanical Engineering at the
> University of California, Davis.
> I have been programming in Python for the past 4~5 months and I have another
> year of background in C++ 11 and Matlab.  My math background consists of
> courses I've taken in elementary linear algebra, differential equations, and
> statistical methods.
>
> I have a special interest in dynamics and generating equations of motion.
> I've taken courses in dynamics, vibrations, and  Bond Graph techniques.
>
> I had a brief introduction to Sympy in my vibrations class where we used it
> to calculate the Lagrangian for EOM's.
> Going forward,  I would like to work on the mechanic's package in Sympy.
>
> I look forward to collaborating with you!
>
> -Ben
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Re: [sympy] Introduction + Galois Theory

[Aaron Meurer]

On Sat, Mar 3, 2018 at 12:56 PM, Alice Liu  wrote:

> Hi thank you for your reply! Yes this is for GSoC.
>
> There are general steps for calculating the Galois Group (I am using
> "Galois Theory" by Ian Stewart as my reference), involving the tower law
> and working out the the Q-automorphisms of K (K being the splitting field
> for the given polynomial). I am not too sure about that precise algorithms.
>
> For the tower law, I am not too sure if field extensions and its
> degree are implemented in SymPy? I am aware there is a algebraic field
> class in the polys module, that gives you Q(α) from Q. But is it worth
> implementing field extension Q(α)(β):Q(α) for example. Also I might need
> a bit of help with understanding the code (what is dtype?).
>
> And for example:
>
>> def from_QQ_gmpy(K1, a, K0):
>
> """Convert a GMPY ``mpq`` object to ``dtype``. """
>
> return K1(K1.dom.convert(a, K0))
>
> I don't quite understand this - it seems to do with rational fields.
>

The polys code is organized in layers. The bottommost layer, which you are
looking at, deals directly with the coefficient data types (called dtypes,
from numpy parlance). Here the function works specifically on gmpy data. If
gmpy is not installed, a different function (most likely from_QQ_python)
would be used. In these low level functions, K refers to the domain (the
ring). Here (as I understand it), a is an element of K0, and it is
converted to K1. K0 might be something like QQ and K1 something like QQ[x].

These low level functions are generally only where the polynomial
algorithms are written, because that is the fastest way. For the Galois
group project, I would focus on higher levels, working directly with the
Poly() or ring() objects. This is what is documented at
http://docs.sympy.org/latest/modules/polys/index.html.


> In GAP you mentioned, fields are generated as follows
>
> 58.1-3 Field
>> ‣ Field( z, ... )
>
> ( function )
>
> ‣ Field( [F, ]list )
>
> ( function )
>
> Field returns the smallest field K that contains all the elements z, ...,
> or the smallest field K that contains all elements in the list list. If
> no subfield F is given, K is constructed as a field over itself, i.e. the
> left acting domain of K is K. Called with a field F and a list list, Field 
> constructs
> the field generated by F and the elements in list, as a vector space over
> F.
>
> I am wondering if you could do similar thing in SymPy? Again I might need
> help understanding the field class in the polys module.
>

Look at the field() and ring() functions.


> 58.3-1 GaloisGroup
>> ‣ GaloisGroup( F )
>
> ( attribute )
>
> The *Galois group* of a field F is the group of all field automorphisms
> of F that fix the subfield K =LeftActingDomain( F ) pointwise.
> Note that the field extension F > K need *not* be a Galois extension.
> gap> g:= GaloisGroup( AsField( GF(2^2), GF(2^12) ) );;
> gap> Size( g ); IsCyclic( g );
> 6
> true
> gap> h:= GaloisGroup( CF(60) );;
> gap> Size( h ); IsAbelian( h );
> 16
> true
>
> Then they used this for the Galois group, not sure if it can tell you the
> abstract structure of the whole group, or just test for properties. (and I
> am not sure I understand how to tell what K is in this context?)
>
> Also I am not too sure if automorphisms are implemented in SymPy? (I am
> aware that group isomorphism is yet to be implemented in SymPy?)
>
> The correspondence is between the subgroups of the Galois Group and the
> intermediate fields of K:L, so if you draw a lattice diagram the diagram
> looks the same. I think this might be too difficult to implement.
>

I don't know the answers to the group theory module questions. Someone else
will need to comment. I recommend going to
https://gitter.im/sympy/GroupTheory, which is the gitter group for last
year's group theory GSoC project, and asking there. It may also be helpful
to look at the report for that project (
https://github.com/sympy/sympy/wiki/GSoC-2017-Report-Valeriia-Gladkova:-Group-Theory)
to get an idea of the current state of the group theory module.

Aaron Meurer


>
> Thank you!
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Re: [sympy] Introduction + Galois Theory

[Alice Liu]

Hi thank you for your reply! Yes this is for GSoC.

There are general steps for calculating the Galois Group (I am using 
"Galois Theory" by Ian Stewart as my reference), involving the tower law 
and working out the the Q-automorphisms of K (K being the splitting field 
for the given polynomial). I am not too sure about that precise algorithms.

For the tower law, I am not too sure if field extensions and its degree are 
implemented in SymPy? I am aware there is a algebraic field class in the 
polys module, that gives you Q(α) from Q. But is it worth implementing 
field extension Q(α)(β):Q(α) for example. Also I might need a bit of help 
with understanding the code (what is dtype?). 

And for example: 

> def from_QQ_gmpy(K1, a, K0):

"""Convert a GMPY ``mpq`` object to ``dtype``. """

return K1(K1.dom.convert(a, K0))

I don't quite understand this - it seems to do with rational fields.

In GAP you mentioned, fields are generated as follows

58.1-3 Field
> ‣ Field( z, ... )

( function )

‣ Field( [F, ]list )

( function )

Field returns the smallest field K that contains all the elements z, ..., 
or the smallest field K that contains all elements in the list list. If no 
subfield F is given, K is constructed as a field over itself, i.e. the left 
acting domain of K is K. Called with a field F and a list list, Field 
constructs 
the field generated by F and the elements in list, as a vector space over F.

I am wondering if you could do similar thing in SymPy? Again I might need 
help understanding the field class in the polys module.

58.3-1 GaloisGroup
> ‣ GaloisGroup( F )

( attribute )

The *Galois group* of a field F is the group of all field automorphisms of F 
that 
fix the subfield K =LeftActingDomain( F ) pointwise.
Note that the field extension F > K need *not* be a Galois extension.
gap> g:= GaloisGroup( AsField( GF(2^2), GF(2^12) ) );;
gap> Size( g ); IsCyclic( g );
6
true
gap> h:= GaloisGroup( CF(60) );;
gap> Size( h ); IsAbelian( h );
16
true

Then they used this for the Galois group, not sure if it can tell you the 
abstract structure of the whole group, or just test for properties. (and I 
am not sure I understand how to tell what K is in this context?)

Also I am not too sure if automorphisms are implemented in SymPy? (I am 
aware that group isomorphism is yet to be implemented in SymPy?)

The correspondence is between the subgroups of the Galois Group and the 
intermediate fields of K:L, so if you draw a lattice diagram the diagram 
looks the same. I think this might be too difficult to implement.

Thank you!

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Re: [sympy] introduction

[Leku Jones]

Thank you very much it's with great joy that I'll start going through that and 
broadening my scope of knowledge thanks again 

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Re: [sympy] introduction

[Jason Moore]

Leku,

If you are interested in participating in the Google Summer of Code, here
is the document to get started with:
https://github.com/sympy/sympy/wiki/GSoC-2018-Student-Instructions

Let us know if you have any questions.

Jason

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On Thu, Mar 1, 2018 at 7:43 PM, Leku Jones  wrote:

> Hello my name is Leku Jones Ketuma and I am a student of the university of
> buea Cameroon I am an undergraduate student of mathematics department and I
> minor on computer science I'm 18 years old as at the 15 January 2018
> Honestly I've great passion for maths and computer science though I'm not
> that good but I'm very sharp and willing to learn
> Particularly I choosed sympy because its in python and that's the course
> I'll take this second semester
> I really would like to be part of sympy but for the main time If there's
> anything I'll like to take some or know some references where I could
> confer to know more n be more helpful to sympy when the time comes thank you
>
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Re: [sympy] introduction for GSoC 2K18

[Jason Moore]

Shubankar,

You should start here:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Jason

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On Sun, Feb 25, 2018 at 12:43 AM, shubhankar sharma <
shubhankarsharm...@gmail.com> wrote:

> Hey everyone,
>
> I am Shubhankar Sharma.
>
> I am currently pursuing Computer Science Engineering in NIT Hamirpur .
>
> I am an beginner in the field of contributions and open source development.
>
> I have experience in Python, C,C++,Ruby,JavaScript,node.js.
>
> While searching for a good organization in GSoC 2K18 i came across upon
> SymPy, I have good experience in Python and deep interest in the language I
> would love to be a part of this SymPy's developers team.
>
>
>
>
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Re: [sympy] Introduction of Developer

[Jason Moore]

Pushkal,

I'm not sure a search engine will have any relevancy to SymPy, you may want
to look for a different mentoring organization.

Jason

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On Mon, Feb 19, 2018 at 11:08 AM, pushkal Goyal 
wrote:

> I am Pushkal Goyal pursuing Bachelor of Technology (CSE). I am the
> aspirant for GSoC 2018.I have an idea related to search engine that I am
> willing to implement in GSoC 2018 .
>
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Re: [sympy] Introduction

[Jason Moore]

Samyak,

You should start here:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Jason

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On Mon, Feb 19, 2018 at 9:22 AM, Samyak Jain  wrote:

> My name is Samyak Jain, a second year computer science student from VIT
> Vellore. I have more than 3 years of experience in python and backend. I
> want to start contributing for GSOC 18 and want to know how to start.
>
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Re: [sympy] Introduction to community

[Jason Moore]

Vaibhav,

Please start here:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Jason

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On Sat, Feb 10, 2018 at 4:08 AM, Vaibhav Vishal 
wrote:

> Hello
>
> I am Vaibhav Vishal 3rd year undergraduate student at IIT Guwahati. I want
> to contribute to sympy in GSOC18.
>
> I have 3+ year of experience in python programming. Can someone suggest me
> how to start contributing to sympy?
>
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Re: [sympy] introduction

[Jason Moore]

Poorvaja,

Please start here:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Jason

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On Sat, Feb 10, 2018 at 10:44 AM,  wrote:

> Hi
> I am Poorvaja Ganesan a first year Bioengineering grad student at UMD
> College Park,USA.I have a keen interest in molecular modelling, drug
> designing and also have experience in coding python, C and C++. I hope to
> take my fist steps into the world of open source by contributing to sympy
> and learning new things. Would like to be a part of GSoc.
>
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Re: [sympy] Introduction

[Jason Moore]

Rishabh,

You can find that here:
https://github.com/sympy/sympy/wiki/introduction-to-contributing, among
other things.

Jason

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On Mon, Feb 12, 2018 at 4:42 PM, Rishabh Deep Singh <
rishabhdeepsing...@gmail.com> wrote:

> Hi, I am Rishabh deep Singh 2nd Year Undergraduate Student from Indian
> Institute of Technology, Kharagpur. I want to work on this Project can
> someone give me some Easy to Fix issues so that I can resolve them?
>
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Re: [sympy] Introduction + Galois Theory

[Aaron Meurer]

On Fri, Feb 16, 2018 at 9:08 AM, Alice Liu  wrote:

> Hi my name is Alice Liu, I am a third year Maths student at UCL.
>
> I am interested in implementing computation of Galois groups for a given
> polynomial, I am wondering if this is enough material for a stand-alone
> project?
>

I'm not familiar with the algorithms required for this, but I think it
should be enough material (you didn't mention it but I'm assuming this is
for GSoC).

Do you know what references you would use to implement this? If you don't
know yet, I would start by looking at what algorithms GAP uses.


>
> Also is the desired computation just for the Galois group of the splitting
> field of the given polynomial over [image: \mathbb {Q}]; or a more
> abstract and more general approach should be taken? Also do I need to aim
> for writing codes for the Galois correspondence of associated intermediate
> fields?
>

I would definitely just focus on Q for starters, but it would be nice to
design the API of the module so that it could be generalized if desired.
SymPy already has a delineation of different fields in the polys module, so
this shouldn't be hard. Although if a given algorithm extends nicely to
other fields it would make sense to support them all from the start.

Regarding the correspondence, I don't know. I suppose it depends if that
falls out nicely from the algorithm or not. Another question: does the
correspondence help to compute the roots in closed form, for the instances
where the Galois group is solvable? I was never clear if knowing the Galois
group helps you here or not.



>
> Also shall I aim to write a patch for the Combinatorics module or any
> patch I write would suffice?
>

Technically the rules require any patch anywhere, but I would recommend
making a patch to the code that you would be modifying for the project if
you can. This is better because

1. a more technically complicated patch will shine better on you than a
simple one, and

2. if you are accepted, it is code you would be modifying anyway. So it's
good to get a head start on modifying that code.

With that being said, don't be afraid to start somewhere simpler if you
still need to get your feet wet.

Aaron Meurer


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Re: [sympy] Introduction + interest in implementing Singularity Functions module

[Jason Moore]

I recommend first trying to use the existing module to solve a variety of
problems. You can submit these problems to our documentation. In this
process you will learn what may need to be fixed.

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On Mon, Feb 12, 2018 at 7:56 PM, Anmol Krishan Sachdeva <
anmolkrishansachd...@gmail.com> wrote:

> Hi Jason,
>
> I have gone through the description of Continum Mechanics module.
> Shall I start by building the 2016 project?
> Kindly guide on how to proceed.
> I am interested in doing this one.
>
> Regards
> Anmol Krishan Sachdeva
>
> On 12 Feb 2018 3:46 pm, "Jason Moore"  wrote:
>
> This module has already been implemented. The next step is improving the
> continuum mechanics module.
>
> moorepants.info
> +01 530-601-9791 <(530)%20601-9791>
>
> On Sun, Feb 11, 2018 at 4:56 PM,  wrote:
>
>> Hello,
>>
>> My name is Anmol Krishan Sachdeva. I am currently pursuing MSc in
>> Advanced Computing from University of Bristol, UK. My specialization is in
>> Machine Learning, Artificial Intelligence, and Computational Neuroscience.
>>
>> I have nearly 4 years of experience in software development.
>>
>> I am interested in implementing the "Singularity Functions" project.
>> Kindly guide on how to proceed.
>>
>> Regards
>>
>> --
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Re: [sympy] Introduction + interest in implementing Singularity Functions module

[Anmol Krishan Sachdeva]

Hi Jason,

I have gone through the description of Continum Mechanics module.
Shall I start by building the 2016 project?
Kindly guide on how to proceed.
I am interested in doing this one.

Regards
Anmol Krishan Sachdeva

On 12 Feb 2018 3:46 pm, "Jason Moore"  wrote:

This module has already been implemented. The next step is improving the
continuum mechanics module.

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On Sun, Feb 11, 2018 at 4:56 PM,  wrote:

> Hello,
>
> My name is Anmol Krishan Sachdeva. I am currently pursuing MSc in Advanced
> Computing from University of Bristol, UK. My specialization is in Machine
> Learning, Artificial Intelligence, and Computational Neuroscience.
>
> I have nearly 4 years of experience in software development.
>
> I am interested in implementing the "Singularity Functions" project.
> Kindly guide on how to proceed.
>
> Regards
>
> --
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Re: [sympy] Introduction + interest in implementing Singularity Functions module

[Jason Moore]

This module has already been implemented. The next step is improving the
continuum mechanics module.

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On Sun, Feb 11, 2018 at 4:56 PM,  wrote:

> Hello,
>
> My name is Anmol Krishan Sachdeva. I am currently pursuing MSc in Advanced
> Computing from University of Bristol, UK. My specialization is in Machine
> Learning, Artificial Intelligence, and Computational Neuroscience.
>
> I have nearly 4 years of experience in software development.
>
> I am interested in implementing the "Singularity Functions" project.
> Kindly guide on how to proceed.
>
> Regards
>
> --
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Re: [sympy] Introduction

[Aaron Meurer]

Happy to have you.

Thanks for the work on StackOverflow. I haven't been able to follow
the SymPy tag on there much recently, but in my experience,
StackOverflow is the best place to get a feel for how real users are
using SymPy.

Aaron Meurer

On Sat, Dec 30, 2017 at 5:33 PM, Leonid Kovalev
 wrote:
> A slightly belated introductory post...
>
> Level of familiarity with Python: low. Can write if-statements and loops;
> cannot be trusted with subclassing.
> Mathematical education level: PhD. My research is in real/complex analysis,
> pretty far from anything CAS-related, but I am interested in the inner
> workings of CAS.
> I regularly answer SymPy questions on Stack Overflow, so I'm generally aware
> of the patterns and antipatterns of its use "in the wild", as well as of
> particular pain points for users.
> Can be found on GitHub and Stack Overflow.
>
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Re: [sympy] INTRODUCTION.

[Jason Moore]

Welcome Ayush,

A good place to start is this guide:
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Jason

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On Sun, Jun 4, 2017 at 6:43 AM, Ayush Shridhar  wrote:

>
>  Hello Everyone!
>
>  My name is *Ayush Shridhar*. I
> am a CS student. I have always been passionate about maths and computing.
> Its a pleasure to be working with all of you here.
>  I am a newbie. I would love to
> learn a lot of things from everyone here,and at the same time I would love
> to code for this organization.
>  Can someone please tell me how
> should i start contributing?
>
>  Thanks in Advance!
>
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Re: [sympy] Introduction

[Sudhanshu Mishra]

Hello Aditya,

​​
 I have already setup the environment as given on the github wiki page and
 just wanted to take this opportunity to introduce myself.


​That's great! You should start working on issues to get yourself
acquainted with the codebase.

https://github.com/sympy/sympy/labels/Easy%20to%20Fix ​

Regards
Sudhanshu Mishra

On Mon, Feb 9, 2015 at 5:58 PM, Aditya Gupta aditya.gupta.1...@gmail.com
wrote:

 Hi,

 I am a Computer Science undergrad pursuing my degree at BITS Pilani
 University, Goa Campus, India. I am proficient in python and have an
 interest in mathematics. I would like to contribute to the sympy project.

 I have already setup the environment as given on the github wiki page and
 just wanted to take this opportunity to introduce myself.

 Thanks,
 Aditya

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Re: [sympy] introduction

[Jason Moore]

Mintoo,

This is the best starting point for contributing:
https://github.com/sympy/sympy/wiki/introduction-to-contributing.


Jason
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On Mon, Jan 19, 2015 at 6:02 AM, mintoo kumar mintoo...@gmail.com wrote:

 i am Mintoo Kumar, 2nd year computer engineering student in NSIT ,delhi. i
 am new to open source.i am familiar with python. i want to contribute to
 sympy and i am also planning to take part in GSOC'15. How and where to
 start ?Any guidance will be appreciated.

 Mintoo Kumar,
 NSIT delhi

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Re: [sympy] Introduction

[Saurabh Jha]

On Wed, Jan 7, 2015 at 9:08 PM, Asish Panda asishrock...@gmail.com wrote:

 I am Asish Panda, currently a sophomore in International Institute of
 International Technology Bhubaneswar, India and pursuing B.Tech in
 Electronics and Telecommunication Engineering. I would like to contribute
 to SymPy. I also plan to apply for GSoC 2015, although as of yet I haven't
 decided on the project I would like to work on.


Welcome. To get started with contributing, have a look at this page
https://github.com/sympy/sympy/wiki/introduction-to-contributing

Decide what mathematical area you find interesting and start fixing
easy-to-fix issues. For example, if you are interested in matrices, have a
look at easy-to-fix issues in matrices here
https://github.com/sympy/sympy/issues?q=is%3Aopen+is%3Aissue+label%3A%22Easy+to+Fix%22+label%3AMatrices



 I have 1+ year of experience in coding in python and previously
 contributed to open source softwares before. I am always curious to learn
 new stuff in python(or computers in general) and I believe SymPy would help
 me to learn great deal of pythonic ways and maths! :)


Yes, you are at right place.

Thank you,

Saurabh


 Cheers,
 Asish Panda

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Re: [sympy] Introduction for GSOC

[Ondřej Čertík]

Hi Pallav,

On Fri, Feb 28, 2014 at 1:59 PM, Pallav Shah pallavshah...@gmail.com wrote:
 Hello everyone,

 I am Pallav, a third year undergraduate student pursuing my bachelors in
 Computer Science. I am interested in doing a project under SymPy as a part
 of GSOC. However, I am not sure how I should get started. Can someone please
 guide me to how I should begin contributing and begin preparing fro my
 application.

Thanks for your interest and sorry for my late reply. The best way to
get started is to read through:

https://github.com/sympy/sympy/wiki/gsoc-2014-ideas
https://github.com/sympy/sympy/wiki/gsoc-2014-application-template

Especially the ideas page. That should give you plenty of ideas that
one could do. Feel free to discuss
your ideas with us so that we can help you refine the proposal.

Ondrej

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Re: [sympy] Introduction to Sympy Community About Issue #3385: Remove deprecated tsolve()

[faisal anees]

Thanks for letting me know that :) . Actually I have already stated working 
on that issue, so out of my own interest I wanted to know what steps will I 
have to follow in case a similar bug to remove some function arises in the 
future.

On Sunday, December 8, 2013 12:29:33 AM UTC+4, Joachim Durchholz wrote:

 Hello and welcome :-) 

  I have read the documentation, and have set up the development 
  environment according to the development workflow. After going 
  throughthe Issues page, I have found issue #3385 
  https://code.google.com/p/sympy/issues/detail?id=3385 interesting 
  and suitable for my level. 

 I think that has been done already, see the link to pull request #1826 
 in entry #1. 
 It's just not been included in SymPy yet. 


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Re: [sympy] Introduction to Sympy Community About Issue #3385: Remove deprecated tsolve()

[Joachim Durchholz]

Am 08.12.2013 09:26, schrieb faisal anees:

out of my own interest I wanted to know what steps will I
have to follow in case a similar bug to remove some function arises in the
future.


You could look into the changes shown in the pull request.
It will give you examples of how such changes can look like; it's a 
start to acquiring the skill you seek.


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Re: [sympy] Introduction to Sympy Community About Issue #3385: Remove deprecated tsolve()

[faisal anees]

Thanks, looked at other issues tagged with DeprecationRemoval and 
understood the procedure. :)

On Sunday, December 8, 2013 1:59:12 PM UTC+4, Joachim Durchholz wrote:

 Am 08.12.2013 09:26, schrieb faisal anees: 
  out of my own interest I wanted to know what steps will I 
  have to follow in case a similar bug to remove some function arises in 
 the 
  future. 

 You could look into the changes shown in the pull request. 
 It will give you examples of how such changes can look like; it's a 
 start to acquiring the skill you seek. 


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Re: [sympy] Introduction to Sympy Community About Issue #3385: Remove deprecated tsolve()

[Joachim Durchholz]

Hello and welcome :-)


I have read the documentation, and have set up the development
environment according to the development workflow. After going
throughthe Issues page, I have found issue #3385
https://code.google.com/p/sympy/issues/detail?id=3385 interesting
and suitable for my level.


I think that has been done already, see the link to pull request #1826 
in entry #1.

It's just not been included in SymPy yet.

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Re: [sympy] Introduction and Tentative Proposal

[Aaron Meurer]

On Mon, Apr 29, 2013 at 1:41 PM, Joseph Stradling
joseph.stradl...@gmail.com wrote:
 Hello,
 My name is Joseph Stradling and I am a junior chemical cngineering student
 transitioning into computer science at New Mexico Tech.

 I am interested in improving the pattern matching and recognition as a
 project for Google Summer of Code. I am currently trying to determine which
 combination of possible project paths would be appropriately difficult and
 useful. I am currently leaning towards:

 - Expression complexity measures
  As I understand it, this is determining the complexity of regular
 expressions. This seems challenging but fairly straightforward, and it looks
 like there is pretty good literature on the subject

The paper Understanding expression simplification by Jacques Carette
is a good introduction to these ideas (I can email you it if you can't
find it online).


 - Expression tree similarity testing
  Basically make something to determine similarity in expression trees. It
 seems like something that can be solved with clever stacking, but I am
 probably missing a big piece of the challenge

 - Heuristic equivalence testing
  I assume this is just summing the two expressions and seeing if they add to
 zero.

 - Semantic matching
  To be perfectly honest, I have no idea how to do this cleverly. Possibly
 with the heuristic equivalence testing? Also it says:

 implement semantic matching (e.g. expression: cos(x), pattern: sin(a*x) + b)
 e.g by using power series for this purpose (improve series speed)

I think there was some paper that described how to do this.


 I don't really know how I would go about using series for semantic matching.
 Bottom line: this seems very difficult and time consuming, but it could just
 be that I am pretty clueless about it. It seems pretty useful so I though it
 would be worth attempting

 Questions:
 What are expression signatures?

I have no idea. This is probably referring to some idea from some
paper on the topic.  My guess, based on the name, is some kind of
intelligent hash such that hash(a) != hash(b) means likely a != b and
hash(a) == hash(b) means likely a == b.

 Is there anything that has been recently done in this area?

I think Matthew's work with unify and logpy fits this, but he can give
you a more direct answer.

You can also look at the recent work in the Fu trigsimp algorithm.

 Is there a student already doing this? I looked over the group posts but I
 didn't see anything.

Not that I know of.

 Would this be enough to occupy the summer?

Well, honestly you picked one of the ideas on the ideas list that is
rather open ended, in that the exact specifications of the problem are
not determined by us. Not to discourage you, but projects like these
will require a lot more from the applicant, because you will be
expected to take these vague ideas that honestly even we are not sure
about and make them concrete.

If you do stick with this idea, one place to start would be to look at
other computer algebra systems and see if they implement anything
similar. That will give you some concrete ideas on what things work,
and how to do them.

Aaron Meurer


 I would appreciate any guidance.
 -Joseph Stradling

 Application and patch to follow :-)

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Re: [sympy] Introduction and Tentative Proposal

[Matthew Rocklin]

On Mon, Apr 29, 2013 at 5:09 PM, Aaron Meurer asmeu...@gmail.com wrote:

 On Mon, Apr 29, 2013 at 1:41 PM, Joseph Stradling
 joseph.stradl...@gmail.com wrote:
  Hello,
  My name is Joseph Stradling and I am a junior chemical cngineering
 student
  transitioning into computer science at New Mexico Tech.


Welcome.


 
  I am interested in improving the pattern matching and recognition as a
  project for Google Summer of Code. I am currently trying to determine
 which
  combination of possible project paths would be appropriately difficult
 and
  useful. I am currently leaning towards:
 
  - Expression complexity measures
   As I understand it, this is determining the complexity of regular
  expressions. This seems challenging but fairly straightforward, and it
 looks
  like there is pretty good literature on the subject

 The paper Understanding expression simplification by Jacques Carette
 is a good introduction to these ideas (I can email you it if you can't
 find it online).

 
  - Expression tree similarity testing
   Basically make something to determine similarity in expression trees. It
  seems like something that can be solved with clever stacking, but I am
  probably missing a big piece of the challenge
 
  - Heuristic equivalence testing
   I assume this is just summing the two expressions and seeing if they
 add to
  zero.
 
  - Semantic matching
   To be perfectly honest, I have no idea how to do this cleverly. Possibly
  with the heuristic equivalence testing? Also it says:
 
  implement semantic matching (e.g. expression: cos(x), pattern: sin(a*x)
 + b)
  e.g by using power series for this purpose (improve series speed)

 I think there was some paper that described how to do this.

 
  I don't really know how I would go about using series for semantic
 matching.
  Bottom line: this seems very difficult and time consuming, but it could
 just
  be that I am pretty clueless about it. It seems pretty useful so I
 though it
  would be worth attempting
 
  Questions:
  What are expression signatures?

 I have no idea. This is probably referring to some idea from some
 paper on the topic.  My guess, based on the name, is some kind of
 intelligent hash such that hash(a) != hash(b) means likely a != b and
 hash(a) == hash(b) means likely a == b.

  Is there anything that has been recently done in this area?

 I think Matthew's work with unify and logpy fits this, but he can give
 you a more direct answer.

 You can also look at the recent work in the Fu trigsimp algorithm.


Yup.  I think that there are a lot of open and interesting problems in this
idea.  In the past Sympians have encoded many mathematical transformations
into Python code.  These are applied through a few functions like simplify,
expand, factor which attempt to reduce expressions to a form that we
believe is preferable (shorter, fewer terms, simpler terms, etc)
 Exactly what we mean by preferable is unfortunately hard-coded into the
source code - you can't specify what you want.  The simplify function is
one giant function, you can either call it or not call it but you can't use
just a subset of the functionality.  If you want a certain kind of
expression (for example you don't want tangents but are fine with sines and
cosines) there is no way to tell this to simplify so that it can use just
the appropriate transformations.

*The mathematical transformations are unnecessarily intertwined with a
strategy and objective for their application.*

I think it would be very interesting to break apart this connection so that
Sympians define a set of valid transformations separately from how they're
actually going to be called.

The trigonometric simplification algorithms Aaron mentioned is an excellent
example of a single module that does just this.  I recommend taking a look
at the introductory docstring of this code
https://github.com/sympy/sympy/blob/master/sympy/simplify/fu.py

There are many parts of SymPy that could be refactored to look more like
this.  I think that this would be a substantial improvement to our
organization and would really open some door for future growth.  The other
ideas mentioned in this e-mail could be seen as a set of tools to guide a
search for the optimal valid expression given an input and a set of
transformation rules.  That search is not a trivial one.



  Is there a student already doing this? I looked over the group posts but
 I
  didn't see anything.

 Not that I know of.

  Would this be enough to occupy the summer?

 Well, honestly you picked one of the ideas on the ideas list that is
 rather open ended, in that the exact specifications of the problem are
 not determined by us. Not to discourage you, but projects like these
 will require a lot more from the applicant, because you will be
 expected to take these vague ideas that honestly even we are not sure
 about and make them concrete.

 If you do stick with this idea, one place to start would be to look at
 other computer algebra systems and 

Re: [sympy] Introduction and a possible project

[Stefan Krastanov]

Hi,

Check our github wiki pages for GSoC 2013 information. Be aware that
we require all applicants to submit a patch on github (to gauge their
abilities with python and git).

On 28 April 2013 10:06, Saurav Gupta sauravgupt...@gmail.com wrote:
 Hi, this is Saurav, a sophomore in Department of Electrical Engineering at
 IIT Delhi. I am open to either implementing the Karr algorithm or something
 in quantum mechanics. How do I get started?

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Re: [sympy] Introduction

[Sergiu Ivanov]

Hello,

On Mon, Apr 2, 2012 at 12:35 AM, Rajul Srivastava
rajul.iit...@gmail.com wrote:

 I shall be grateful if anyone can help me and give me reference to the
 literature that I may use and also shed some light on how I can go about
 making a successful proposal.

I am quite far from quantum mechanics, but I'll still throw in my two
pence: to make your proposal valid, you have to fulfil your patch
requirement.  To do this, set up your environment according to [0],
pick an issue your like here [1] (the issues [2] are easy to fix), and
submit a pull request.  You should see your pull request merged before
April 23.

Sergiu

[0] https://github.com/sympy/sympy/wiki/Development-workflow
[1] http://code.google.com/p/sympy/issues/list
[2] 
http://code.google.com/p/sympy/issues/list?can=2q=label%3AEasyToFix+colspec=ID+Type+Status+Priority+Milestone+Reporter+Summary+Starscells=tiles

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Re: [sympy] introduction and clarification regading the project

[Aaron Meurer]

For eligibility, you should read the GSoC FAQ at google-melange.com,
and ask at http://groups.google.com/group/google-summer-of-code-discuss?pli=1
if you are unsure.

All of these ideas are good.  For your idea about palindromes and
coprime numbers, I guess this would be part of the number theory
module.  You should look at that module to see what is already
implemented.

At any rate, you should look through our issue tracker and find an
issue you can solve, so you can fulfill our patch requirement.

Aaron Meurer

On Sat, Mar 17, 2012 at 6:30 AM, vishu goyal vishugoyal...@gmail.com wrote:
 Sir,
   I am highly interested in mathematics ,physics and wish to
 mentored. I am currently pursuing
  my B.Tech in Computer Science and have undertaken various higher
  Mathematics courses. Also, I am well-versed with C++ and basics of
 python.
 Even i have cracked two indian domestic egg entrance exam with maths
 and physics as its subjects with under thousand and under 500 ranks
 amongst approx. 5lakh and 12 lakh applicants.
 i wish to work on Equation editor,Series expansionsand my own
 projects like library dealing with special class of numbers eg
 palindromes,coprime numbers etc.do guide me if i am eligible and if
 yes how should i proceed.



   VISHU GOYAL
 DISCIPLINE- UNDERGRADUATE  COMPUTER SCIENCE AND ENGG.
 INDIAN INSTITUTE OF TCHNOLOGY,ROORKEEIndia

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Re: [sympy] Introduction

[Ondrej Certik]

Hi Sapan,

On Sat, Mar 26, 2011 at 5:03 AM, Sapan sapangarg...@gmail.com wrote:
 hello sir
 I am a fourth semester student pursuing BE in Computer Science from
 Netaji Subhas Institute of Technology,Delhi.I have read your gsoc
 project ideas and i am willing to work under this area.
 I have done advanced mathematics as a part of my curriculum which
 includes series expansion,vector calculus,matrices,fourier and laplace
 transforms etc.
 I always have the passion of writing algorithms and implementing them
 in C.

 I want to know specifically what languages do you accept for coding.
 Thanks

We use Python with Sympy as the main language, and then Cython as an
optional tool for speeding up parts, that are not fast enough in pure
Python.

Ondrej

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Re: [sympy] Introduction as a perspective student for GSoC

[Hector]

On Sat, Mar 19, 2011 at 11:33 AM, Hector hector1...@gmail.com wrote:



 On Sat, Mar 19, 2011 at 8:56 AM, Ondrej Certik ond...@certik.cz wrote:

 Hi Hector,

 On Fri, Mar 18, 2011 at 7:33 AM, Hector hector1...@gmail.com wrote:
  Hello everyone,
  My name is Prafullkumar P. Tale. I am a 4th year student at Indian
  Institute of Technology Roorkee, doing 5 years Integrated M.Sc. in
 Applied
  Mathematics. ( It is an integrated course offering graduate and post
  graduate degree with Math major).
 
  My area of interest lies preliminary in algorithms. I like coding
 for
  mathematical problems and spend most of my time for the same. Initially
 I
  stepped on wrong foot and started coding in MatLab. I spend 11/2 year,
  before finally switching to Python. I love Python. After attending Sage
 Days
  25, India and SciPy 2010,India, I became a big fan of open source and
 would
  like to contribute back.

 Indeed, welcome to the community. As you probably already noticed, the
 Python scientific community is interesting, because even if people
 work on different projects, they tend to know each other and help each
 other out. I am myself have been around many projects besides SymPy
 (Scipy, NumPy, Cython, IPython, Sage, ) and it has been a great
 experience.

 Aaron said everything important, so I wish you to have fun and enjoy the
 summer!

 Ondrej


 Thank you Aaron and Ondrej.
 I will reply shortly with more details.



 --
 -Regards
 Hector

 Whenever you think you can or you can't, in either way you are right.


Hello people,
Since the time I posted my first email to this community, till this moment,
I learned a lot and tasted a real flavor of Open Source. I am really very
happy in the way things going on. Today my name was added in author's list
and that was one of the happiest moment in my life. ( Although it was just
for adding some docstring, still it means a lot to me.) Two of my other
patches are marked as NeedsReview and if accepted we all can enjoy following
features in sympy.

1) Adding arbitrary_function as optional argument to integration. This might
help in solving ODE and PDE.
   Reference : Issue 2219, Pull request : #149

In [4]: integrate(1,x,arbitrary_function=True)
Out[4]: constant + x

In [5]: integrate(1+y,x,arbitrary_function=True)
Out[5]: x⋅(1 + y) + f(y)

In [6]: integrate(1+y*z,x,arbitrary_function=True)
Out[6]: x⋅(1 + y⋅z) + f(y, z)

2) Allowing integrator to be a continuous differentiable function of a
single variable.
Currently, integrator can only be a Symbol.
Reference : Issue 1360, Pull request : #149

In [7]: integrate(1,sin(x))
Out[7]: sin(x)

In [8]: integrate(1,x*sin(x))
Out[8]: x⋅sin(x)

In [9]: integrate(sin(x),sin(x))
Out[9]:
   2
sin (x)
───
   2

If the second one is successful, I will work on  Riemann-Stieltjes
integrals. After this, I would like to work on integration for my GSoC
project. I think someone else also showed interest on working with
integrals. I would be very grateful for the further direction in this topic
so that we can work complimentary to each other to benefit SymPy as much as
we can.

I want to start writing my GSoC application well before time as I will be
engaged during scheduled period because of my exams and hence will be
delighted to hear any advice you have.

-- 
-Regards
Hector

Whenever you think you can or you can't, in either way you are right.

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Re: [sympy] Introduction as a perspective student for GSoC

[Hector]

On Sat, Mar 19, 2011 at 8:56 AM, Ondrej Certik ond...@certik.cz wrote:

 Hi Hector,

 On Fri, Mar 18, 2011 at 7:33 AM, Hector hector1...@gmail.com wrote:
  Hello everyone,
  My name is Prafullkumar P. Tale. I am a 4th year student at Indian
  Institute of Technology Roorkee, doing 5 years Integrated M.Sc. in
 Applied
  Mathematics. ( It is an integrated course offering graduate and post
  graduate degree with Math major).
 
  My area of interest lies preliminary in algorithms. I like coding for
  mathematical problems and spend most of my time for the same. Initially I
  stepped on wrong foot and started coding in MatLab. I spend 11/2 year,
  before finally switching to Python. I love Python. After attending Sage
 Days
  25, India and SciPy 2010,India, I became a big fan of open source and
 would
  like to contribute back.

 Indeed, welcome to the community. As you probably already noticed, the
 Python scientific community is interesting, because even if people
 work on different projects, they tend to know each other and help each
 other out. I am myself have been around many projects besides SymPy
 (Scipy, NumPy, Cython, IPython, Sage, ) and it has been a great
 experience.

 Aaron said everything important, so I wish you to have fun and enjoy the
 summer!

 Ondrej


Thank you Aaron and Ondrej.
I will reply shortly with more details.



-- 
-Regards
Hector

Whenever you think you can or you can't, in either way you are right.

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Re: [sympy] Introduction as a perspective student for GSoC

[Aaron S. Meurer]

Hi.  

We look forward to seeing your application.  I recommend that you pick one or 
two of the below and stick with those.  It is more important to write a high 
quality application than to submit many of them.  

I recommend doing a project that interests you the most.  Also, doing projects 
for which you have prior mathematical background is also a good idea.

So I recommend that you pick the one or two projects from your list that 
interest you the most and look at the code to see exactly what needs to be 
done, and start to develop a plan on how you plan to implement it.  You should 
also discuss this with us on the list so you make sure your ideas of how to 
implement it match ours.  You should do this now so that you have time to write 
your application (April 8 will come sooner than you think).

Finally, in case you did not already know, we require all students to submit at 
least one patch to the project that gets accepted and pushed in.  Since you 
clearly already know how to use git and GitHub, you should know that the best 
way to do this is to submit a pull request to SymPy on GitHub.  

Aaron Meurer

On Mar 18, 2011, at 8:33 AM, Hector wrote:

 Hello everyone,
 My name is Prafullkumar P. Tale. I am a 4th year student at Indian 
 Institute of Technology Roorkee, doing 5 years Integrated M.Sc. in Applied 
 Mathematics. ( It is an integrated course offering graduate and post graduate 
 degree with Math major). 
 
 My area of interest lies preliminary in algorithms. I like coding for 
 mathematical problems and spend most of my time for the same. Initially I 
 stepped on wrong foot and started coding in MatLab. I spend 11/2 year, 
 before finally switching to Python. I love Python. After attending Sage Days 
 25, India and SciPy 2010,India, I became a big fan of open source and would 
 like to contribute back.
 
 I think GSoC would give me a structured platform and other incentives to 
 work for open source projects. I would like to work for SymPy as it gives me 
 an opportunity to work closely with mathematical concepts rather than solely 
 coding. The projects ideas I am going through are- 
 improve the integration algorithm
 definite integration  integration on complex plane using residues
 improve polynomial algorithms
 implement efficient multivariate polynomials 
 improve simplification and term rewriting algorithms
 implement symbolic global optimization (value, argument) with/without 
 constraints
 improve the plotting modules
 generalized functions -- Dirac delta, P(1/x), etc... Convolution, Fourier and 
 Laplace transforms
 ordinary and partial differential equations
 improve SymPy's interoperability with other CAS software
 I had one or two courses in most of the topics during my academic studies 
 and worked with Sage, NumPy, matplotlib,etc. I am working to know how much I 
 can implement in SymPy before finalizing my topic. I am following the 
 directions/guidelines given to Sherjil Ozair in recent posts and I am 
 thankful for that. If there are additional things, please let me know.
 
 Some of my earlier work can also be seen at - 
 https://github.com/hector1618.
 
 Thanking you for your time.
 
 -- 
 -Regards
 Hector
 
 Whenever you think you can or you can't, in either way you are right.
 
 P.S. - I often use Hector as my nickname.
 
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Re: [sympy] Introduction as a perspective student for GSoC

[Ondrej Certik]

Hi Hector,

On Fri, Mar 18, 2011 at 7:33 AM, Hector hector1...@gmail.com wrote:
 Hello everyone,
     My name is Prafullkumar P. Tale. I am a 4th year student at Indian
 Institute of Technology Roorkee, doing 5 years Integrated M.Sc. in Applied
 Mathematics. ( It is an integrated course offering graduate and post
 graduate degree with Math major).

     My area of interest lies preliminary in algorithms. I like coding for
 mathematical problems and spend most of my time for the same. Initially I
 stepped on wrong foot and started coding in MatLab. I spend 11/2 year,
 before finally switching to Python. I love Python. After attending Sage Days
 25, India and SciPy 2010,India, I became a big fan of open source and would
 like to contribute back.

Indeed, welcome to the community. As you probably already noticed, the
Python scientific community is interesting, because even if people
work on different projects, they tend to know each other and help each
other out. I am myself have been around many projects besides SymPy
(Scipy, NumPy, Cython, IPython, Sage, ) and it has been a great
experience.

Aaron said everything important, so I wish you to have fun and enjoy the summer!

Ondrej

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Re: [sympy] Introduction and GSOc Proposal

[Ondrej Certik]

Hi Addison!

On Thu, Apr 8, 2010 at 6:20 PM, Addison Cugini ajcug...@gmail.com wrote:
 Hey Everyone,

 I'm a physics major at Cal Poly interested in computational Physics.
 I'm planning on adding a symbolic quantum computation framework to the
 Sympy project and applying to the Google Summer of Code program; I'll
 post a link to my proposal later tonight. Any constructive criticism
 would be appreciated.

Excellent, I am looking forward!

Ondrej

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