:
https://github.com/sympy/sympy/issues?q=is%3Aopen+is%3Aissue+label%3A%22Easy+to+Fix%22
and see if anything perks your interest.
Jason
moorepants.info
+01 530-601-9791
On Wed, Jul 30, 2014 at 12:13 PM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
I want to prepare for SymPy
It's really silly but may i know that am i supposed to write some code
for this issue. I am new to sympy. I have been through the tutorial of
sympy http://docs.sympy.org/latest/tutorial/ ..
and also suggest some method to solve this paricular issue.
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)
# which returns true*
Out [4] True
Am i having a *bug* here or i am not understanding its use.
Thanking you
Gaurav Dhingra( axyd0...@gmail.com)
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Hi all, i am new to sympy
from sympy.sets.sets import Interval
Interva(0, 1)
[0, 1]
isinstance([0, 1], Interval)
False #returns False
should not it return True'
Gaurav Dhingra
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:
See https://github.com/sympy/sympy/issues/5822 for a discussion on this.
I'm not sure what convention SymPy should take, but the documentation ought
to match it.
Aaron Meurer
On Thu, Jan 22, 2015 at 7:56 PM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
Hi all
I ran
integers for the lower and upper
bounds.
*Christophe BAL*
*Enseignant de mathématiques en Lycée **et développeur Python amateur*
*---*
*French math teacher in a Lycée **and **Python **amateur developer*
2015-02-03 9:01 GMT+01:00 Gaurav Dhingra axyd...@gmail.com javascript:
:
Hi,
I want
convention do they use?
Aaron Meurer
On Tue, Feb 3, 2015 at 2:11 AM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
What i noticed is- what Aaron mentioned As Mathematica or Maple have no
problems with this why should it be forbidden or not working nicely in
Sympy? and i too think it would
Hi all
I ran the following the following code
In[10]: simplify(summation((k), (k, 2, 4.7))) == simplify(summation((k),
(k, 2, 4.4)))
Out[10]: False
I read the documentation of summation function, so according to it the
summation includes all the integer values from start to end. But does not
of not available
algorithms in it. Is this considered a bug (in precise terms) ?
Gaurav Dhingra
On Monday, January 5, 2015 1:11:56 AM UTC+5:30, Aaron Meurer wrote:
This is the answer, according to Wolfram Alpha
http://www.wolframalpha.com/input/?i=sum(sin(n*x)%2C+(n%2C+1%2C+N))dataset=.
I guess the value
Hi
Is this a bug ?
from __future__ import division from sympy import * x, y, z, t
= symbols('x y z t') k, m, n = symbols('k m n', integer=True) f, g,
h = symbols('f g h', cls=Function) Documentation can be found at
http://docs.sympy.org/0.7.6.
summation(1/((k+3.5)*(k+8)), (k, 1, n))
.
Aaron Meurer
On Sun, Mar 29, 2015 at 8:32 AM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
Hi,
from sympy import symbols, limit
x = symbols('x')
a = apple
limit(x, x, a)
apple
I do not know the meaning of the a symbol tending to a string.
Even
Hi,
from sympy import symbols, limit
x = symbols('x')
a = apple
limit(x, x, a)
apple
*I do not know the meaning of the a symbol tending to a string.Even if it
is correct then what is its use or significance.*
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UTC+5:30, Gaurav Dhingra wrote:
Hi everyone
from sympy import *
from sympy.solvers.solveset import *
a = symbols( 'a' , real=False )
solve( a**2 - 1, a)
[]
solveset( a**2 - 1, a )
{-1, 1}
Should not the output of both solve() and solveset() functions be same ?
Is there anything i
Hi everyone
from sympy import *
from sympy.solvers.solveset import *
a = symbols( 'a' , real=False )
solve( a**2 - 1, a)
[]
solveset( a**2 - 1, a )
{-1, 1}
Should not the output of both solve() and solveset() functions be same ?
Is there anything i am doing wrong ?
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Hi everyone.
Is there any method using which i can find the domain of a function in
sympy ?
Ex. if can get something like this
real_domain( log(x), x )
Interval(0, oo, left_open=True)
Or even if there is no such function. Then is there any method i can get
whether a particular function is
@asmeurer
For this piece of code
x = Symbol('x', real=True)
bool( x S(2) )
TypeError: can not determine the truth value of Relational
I think, even if this returns an error then it should not be TypeError.
Since a real number comparison is there in this. What are your views on
this ?
On
')
simplify( x*oo )
Piecewise( ( -oo, x 0 ), ( oo, x 0), (Nan, x==0 )) # i expect this
to happen.
Gaurav Dhingra
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On Sunday, May 17, 2015 at 12:43:59 PM UTC+5:30, Gaurav Dhingra wrote:
from sympy import Symbol, oo, simplify
x = Symbol('x', real=True)
simplify( x*oo )
oo*x
Do we use extended real number system(Affinely Extended Real Number
System) in sympy ?
If we do use them, then why
on x.
A simple user.
*Christophe BAL*
*Enseignant de mathématiques en Lycée **et développeur Python amateur*
*---*
*French math teacher in a Lycée **and **Python **amateur developer*
2015-05-17 9:13 GMT+02:00 Gaurav Dhingra axyd...@gmail.com javascript:
:
from sympy import Symbol, oo
Hi all
My first question is:
I was looking at the code base of solveset.py and test_solveset.py. I found
that on
lines
https://github.com/sympy/sympy/blob/master/sympy/solvers/tests/test_solveset.py#L39-L40
. Here why do we have consecutive declaration of `x`. I am not sure if that
make any
unwatched the repo and I don't get
notified for all the PR's.
On 24 June 2015 at 21:48, Aaron Meurer asme...@gmail.com javascript:
wrote:
On Wed, Jun 24, 2015 at 3:33 AM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
Hi all
My first question is:
I was looking at the code
for all the PR's.
On 24 June 2015 at 21:48, Aaron Meurer asme...@gmail.com javascript:
wrote:
On Wed, Jun 24, 2015 at 3:33 AM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
Hi all
My first question is:
I was looking at the code base of solveset.py and test_solveset.py. I
Hi all
```
n = Symbol('n', finite=True, real=True)
zoo/n# should not this be simplified to zoo
zoo/n
zoo.is_finite
False
(zoo/n).is_finite
```
Same happens for `oo` .
I am not sure why this is so ?. Is this is a bug ?
Gaurav Dhingra
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happens, which i think is correct.
n = Symbol('n', integer=True, positiv=True)
( factorial(n)*(n+1) ).rewrite(factorial)
factorial(n)*(n + 1)# why not returned as factorial(n + 1) ??
I was thinking if there is currently any way of rewriting it as
`factorial(n + 1)`
Gaurav Dhingra
sense feel free to tell me.
Gaurav Dhingra
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Happy to help :)
On Thursday, May 28, 2015 at 9:40:22 PM UTC+5:30, Srinivasan Rajaraman
wrote:
Thanks! That worked. I just didn't know which procedure it was to
extract the expression.
On Wednesday, May 27, 2015 at 5:50:40 PM UTC-5, Srinivasan Rajaraman wrote:
I am trying to create a
disallowed indices that are out of range. I agree that the negative indice
behavior is wrong for deletion: it should have deleted the first row as you
indicate.
On Sunday, May 31, 2015 at 7:13:14 AM UTC-5, Gaurav Dhingra wrote:
Hi all
from sympy import *
M = Matrix( [ [1, 2, 3], [2, 3, 4
Hi all
from sympy import *
M = Matrix( [ [1, 2, 3], [2, 3, 4], [3, 4, 5], [4, 5, 6] ] )
M.row_del ( 8 )# any index
= M.rows to be used
print( M )
Matrix( [ [ 1, 2, 3], [2, 3, 4], [3, 4, 5] ] ) # deletes the
last row of Matrix for
is False.
Point(0.5, 0.25) # default is evaluate=True
Point(1/2, 1/4)
Point(0.5, 0.25, evaluate=False)
Point(0.5, 0.25)
*AMiT Kumar*
Delhi Technological University
*www.iamit.in* http://www.iamit.in/
On Friday, May 29, 2015 at 9:36:10 AM UTC+5:30, Gaurav Dhingra wrote
I guess .as_expr() would do the job you intend to perform
P1.as_expr()
b0*x**2 + b1*x + b2
On Thursday, May 28, 2015 at 4:20:40 AM UTC+5:30, Srinivasan Rajaraman
wrote:
I am trying to create a polynomial expression through the following
commands:
from sympy import *
x =
( Since points with only
one coordinate do not mean anything ).
I hope the error message to be ValueError: Atleast two arguments expected
given only one.
I know that it would not be difficult to make such a change in the code
base. But i am asking for advise.
Gaurav Dhingra
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Hi all
Though `solveset_real` claimes to be complete in terms of real solution
returned
But for this
x = Symbol('x', real=True)
solveset_real(exp(I*x), x)
FiniteSet(0)
But probably the solution is what is returned for the `solveset_complex`
y = Symbol('y')
solveset_complex(exp(I*y), y)
`
and it should probably raise an error or maybe the doc string needs to
be updated. As you have figured out for yourself if someone wants to
work in the complex domain they can always use solveset_complex.
On 1 July 2015 at 23:11, Gaurav Dhingra axyd...@gmail.com javascript:
wrote:
Hi
I think you are right this is a bug.
x, y = symbols('x y', commutative=False)
M1 = x*eye(2)
y * (x*M1)
Matrix( [ [x*y, 0], [x*y, 0] ] )
# i think the output should be Matrix( [ [y*x, 0], [0, y*x] ] )
On Tuesday, May 12, 2015 at 1:52:01 AM UTC+5:30, Carsten Knoll wrote:
Hello,
I wonder
that actually makes the expression more complex (like
your Piecewise).
Aaron Meurer
On Sun, May 17, 2015 at 2:13 AM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
from sympy import Symbol, oo, simplify
x = Symbol('x', real=True)
simplify( x*oo )
oo*x
Do we use extended real
Do you want something like replacing some function f1 (say `exponential
function` you mentioned `{exp(x): x}` ) with some other f2 (say linear
function, you mentioned `{exp(x): x}` ) in your expression ?
On Friday, August 14, 2015 at 12:03:08 PM UTC+5:30, Adrián Ashley wrote:
Correction
Sumith, atleast i am `not` having that problem.
On Thursday, July 16, 2015 at 10:55:04 AM UTC+5:30, Sumith 1896 wrote:
Hi all,
I'm unable to login to gitter, it says
Login Failed
We're very sorry, but we're unable to log you in right now.
(No replica set primary available for query with
)
Out[5]: (n + 1)!
I opened https://github.com/sympy/sympy/issues/9699 for this.
Aaron Meurer
On Thu, Jun 18, 2015 at 4:19 AM, Gaurav Dhingra axyd...@gmail.com
javascript: wrote:
Hi all
I was looking on the issue https://github.com/sympy/sympy/issues/8531
though i disagree
>
>> - Tests often test more than one thing implicitly (e.g., a test may
>> test the output of a function, but also implicitly test that the
>> function does not raise an exception). However, it should be clear
>> from a test what it is explicitly testing.
>>
>> Aa
Hi everyone
There have been cases with me while solving bugs in SmyPy in certain cases
that i feel the need to follow certain rules for writing cases. I think
that there are no hard and fast rules to write test cases for everything in
genral for `new implementation`(for any software). For
Hi all
Is currently there any predefined method to find the domain of a function ?
That is `sin(x)` is 2*pi and `sin(2*x)` is pi .
. It is ok if it is only applicable to predefined maths functions in sympy.
Regards
Gaurav
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Hi all
Currently we have
```
m,n = symbols('m n')
Finite(1,2,3) - FiniteSet(m,n)
FiniteSet(1, 2, 3) # why this ? Why is it not returned unevaluated ?
```
Gaurav
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Hi PG
Though you should what output you expect(that helps the answerer). Assuming you
expect solution in terms of `sin` or `cos` or some trigonometry. You can fo
this:
```
expr = (2+2*I)*exp(I*a) - (2-2*I)*exp(-I*a)
simplify(expr.rewrite(sin))
4*sqrt(2)*I*sin(a+pi/4)
```
Cheers
Gaurav
--
You can look upto this issue #9480
https://github.com/sympy/sympy/issues/9480 (base on matrices) as you
mentioned Linear Albebra. I have closed my PR related to that, Since i am
not interested in solving that. You can go submit your PR.
Gaurav Dhingra(username: gxyd)
On Friday, August 28
I am aware that contrary to GAP, which makes Groups like a little
differently
>>> s_4 = SymmetricGroup(4)
>>> s_4.is_group
False
while in GAP
gap> s_4:= SymmetricGroup(4)
gap> IsGroup(s_4)
True
Is there any reason for why things work this way? Is thought to have some
be
I also saw some good discussion for those books on reddit
https://redd.it/3yib1k (though Python or SymPy specific) but seems helpful
to me.
Gaurav Dhingra
On Tue, Dec 29, 2015 at 2:40 AM, Aaron Meurer <asmeu...@gmail.com> wrote:
> Springer has open accessed a bunch of their graduate
her thing i thought of is `*.rewrite*` methods.
So in general what would be the answer to the above question? Perhaps some
light upon this will be helpful.
Thanks
Gaurav Dhingra (gxyd)
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To uns
Hi, I am Gaurav Dhingra i will hopefully be a GSoC applicant this year. I
want to discuss the possibilities for what "should"
i do in regards to extend the Group Theory in SymPy.
I also made a wiki:
https://github.com/sympy/sympy/wiki/GSoC-2016-Application-Gaurav-Dhingra:-Group-Th
Hi, I'm Gaurav Dhingra, i will hopefully be a GSoC applicant this year. I
want to discuss the possibilities for what "should"
i do in regards to extend the Group Theory in SymPy. I saw there is some
questions on ideas page I want to discuss the
Group Theory idea given on the Idea's p
lease feel free to ping me on sympy gitter main channel
https://gitter.im/sympy/sympy or you can "PM me" or "mail me" or "comment
here" i will add you in the channel.
You suggestions can be very helpful.
Gaurav
On Saturday, February 6, 2016 at 6:55:41 PM UTC+5:30,
nk the involved software for all the ideas is the
same.
Involved software for example for making Group Theory better could
involve using "GAP" (since it is canonical right now) software. Should i
add it there?
Gaurav Dhingra
Aaron Meurer
Ondrej
P.S. Jason, if you meant that
March 2016 22:04:49 UTC+5:30, Gaurav Dhingra wrote:
I went through the manual way of finding the order of an FpGroup
using the Todd Coxeter Algorithm. I could not see as what to refer
to for the "computational" aspect of it.
That is how this problem is solved in GAP or M
Hi everyone,
I will be submitting the Group Theory proposal, but i belive my question is
valid to any Mathematics Project involving "Algorithm" coding part.
I am skeptical about what part of algorithms like Todd Coxeter (a very
useful algorithm in Group Theory) and Knuth Bendix Completion
Reviewed-on: #10505 <https://github.com/sympy/sympy/pull/10505>
```
Just to stress i am talking about adding it to "every commit".
Having such a link helped me looking for the related commits on github a
little easy.
Does that sound like a good idea? ( i saw it on the source co
Reviewed-on: #10505 <https://github.com/sympy/sympy/pull/10505>
```
Having such a link helped me looking for the related commits on github a
little easy.
Does that sound like a good idea? ( i saw it on the source code of
Libreoffice as well )
Gaurav Dhingra (gxyd)
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d explain things to
> us that are unlikely to have time to know or understand the details. See
> some of the past proposals for ideas on what to write.
>
>
> Jason
> moorepants.info
> +01 530-601-9791
>
> On Mon, Mar 14, 2016 at 7:34 AM, Gaurav Dhingra <axyd...@gmail.co
I went through the manual way of finding the order of an FpGroup using the
Todd Coxeter Algorithm. I could not see as what to refer to for the
"computational" aspect of it.
That is how this problem is solved in GAP or Magma. What should i refer for
the computational aspect of the algorithm?
--
ting of
1st printing using Unicode, since the `latex` printing doesn't contain
brackets around `x**2`, while first printing does contain.
So is it okay to have such a non-reciprocity behaviour (in general)?
Gaurav Dhingra (gxyd)
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tudent-Instructions.
>
> If you can spare any time reading/writing/modifying any of these
> documents, that would be very helpful. If you don't have time, but
> want to mentor, please at least add your name to the list.
>
> Aaron Meurer
>
Gaurav Dhingra
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You can test the changes made in the module running
user@machine:~/sympy $ python ./bin/test
in your SymPy main repo. You can read more about running tests tests here
https://github.com/sympy/sympy/wiki/Development-workflow#be-sure-that-all-tests-of-sympy-pass.
Gaurav Dhingra
On Tue, Jan 24
If you feel okay, then you can post your solution (where you were going
wrong).
Gaurav Dhingra
On Tue, Jan 24, 2017 at 7:11 PM, Yathartha Joshi <yatharth...@gmail.com>
wrote:
> Sorry for the two messages, I was a bit too early to post.
> Now I figured out where actually I was
(along the lines as was submitted last year by Amit Kumar).
Gaurav Dhingra
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To post
as was submitted last year by Amit Kumar).
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Thanks
Gaurav Dhingra
(Sent from Thunderbird email client)
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s post it as a blog post
If Aaron has something more to add to this, that had be good. Perhaps
this is the link to last year GSoC Report of students
<https://github.com/sympy/sympy/wiki/GSoC-2015-Report>.
Thanks
Gaurav Dhingra (@gxyd)
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ce that seems like too much
pressure for me. Applying as a student would be my priority.
Gaurav Dhingra
On Monday 27 February 2017 11:05 PM, Aaron Meurer wrote:
SymPy was accepted as a GSoC org again this year.
Interested students, please read our instructions on how to apply here
https://
a...@gmail.com <mailto:singhsarta...@gmail.com>> wrote:
> Hi,
>
> Last year there was a suggestion by Jason (if I remember
correctly), to
> maybe make it an intermediate level tutorial. Let me know
what you think?
discussion on the web visit
https://groups.google.com/d/msgid/sympy/6e0e07d5-4741-41cf-a286-150c0df3ef3a%40googlegroups.com
<https://groups.google.com/d/msgid/sympy/6e0e07d5-4741-41cf-a286-150c0df3ef3a%40googlegroups.com?utm_medium=email_source=footer>.
For more options, visit https://groups.
Since that would
give me a list of things to look at for deciding as to what remains to
be done by reading their blogs.
Gaurav Dhingra
On Thursday 02 March 2017 12:17 AM, Aaron Meurer wrote:
Other algorithms that would be useful, if you believe you are capable
of implementing them:
- cylin
Also I see a list of references for it here
https://github.com/sympy/sympy/wiki/Technical-References#symbolic-integration
, which among these would be good to start first? (brief idea would suffice)
Gaurav Dhingra
On Thursday 02 March 2017 12:17 AM, Aaron Meurer wrote:
Other algorithms
of the project.
On Monday 13 March 2017 03:49 AM, Aaron Meurer wrote:
Potentially. I would need to take a closer look at how much remains to
be done for the trigonometric case.
Aaron Meurer
On Sun, Mar 12, 2017 at 10:55 AM, Gaurav Dhingra
<gauravdhingra.g...@gmail.com> wrote:
Hi
you'll need to look at the merged pull requests to see what
was done.
Aaron Meurer
On Mon, Mar 13, 2017 at 10:01 AM Gaurav Dhingra
<gauravdhingra.g...@gmail.com <mailto:gauravdhingra.g...@gmail.com>>
wrote:
There does *not* seem to be any report of the project of Chetna,
atiiit, the only work I am
> aware of is this pull request by jksuom
> https://github.com/sympy/sympy/pull/11761.
>
> Aaron Meurer
>
>
> On Thu, Mar 2, 2017 at 12:17 PM, Gaurav Dhingra
> <gauravdhi...@gmail.com > wrote:
> > Also I see a list of references fo
, then please let me know. :)
Gaurav Dhingra
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responding name of
reviewers)?
Sorry for late mail update, I have been a little busy with the exams.
Gaurav Dhingra
On Tuesday, March 14, 2017 at 1:34:00 AM UTC+5:30, Gaurav Dhingra wrote:
>
> Hi everyone,
>
> This is to notify that I would be submitting a proposal for SymPy Tut
I've pasted them in the wiki.
Gaurav Dhingra
On Thursday 27 April 2017 10:40 PM, Sumith Kulal wrote:
Hi Gaurav,
You could paste the reviews in the wiki itself alongside the proposal:
https://github.com/sympy/sympy/wiki/SciPy-2017-Tutorial-Proposal
Thanking you
Sumith
On Thursday, April
Hey Arihant,
I have created the room, you can visit the link
https://gitter.im/sympy/Rubi-GSoC17.
Gaurav Dhingra
On Friday 12 May 2017 06:05 PM, Arihant Parsoya wrote:
Name of room we wanted to create: Rubi-GSoC17
On Friday, May 12, 2017 at 3:50:49 AM UTC+5:30, Aaron Meurer wrote
that is done intentionally, one reason I could think of is to
make the module be able handle more different types of printings using
smaller function names, 'xpretty' ('from sympy.printing.pretty import
pretty as pretty'), 'pretty' are small. Is the reason as simple as that?
---
Gaurav Dhingra (gxyd
Gaurav Dhingra
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lement/fix? Explain
your changes' could be used to add a 'release note entry'.
---
Gaurav Dhingra
On Friday, June 23, 2017 at 1:48:04 AM UTC+5:30, Aaron Meurer wrote:
>
> Once I have finished the SymPy release, I would like to make an update
> to how we do changelogs.
>
> Rig
to me that those
comments are made by Kaveli Suominen himself, doesn't matter what repo it
is, its been the case for me from the last 5 years (see screenshot below):
May he rest in peace.
Regards,
Gaurav Dhingra
On Wednesday, March 13, 2024 at 8:41:37 AM UTC+5:30 anderso...@gmail.com
wrote
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