[sage-support] Re: Grobner bases of ideals

On Wed, Dec 21, 2016 at 7:14 AM, NITIN DARKUNDE wrote: > Respected Sir, > I am trying to find Groebner basis of an ideal in > polynomial ring in 35 variables over GF(2)(As per suggestions earlier, I am > working over GF(2) instead of GF(3)) but I am

Re: [sage-support] Grobner bases in sage

On Fri, Dec 16, 2016 at 5:55 AM, NITIN DARKUNDE wrote: > > Dear Group members, >Suppose we have been given an ideal say 'I' in > multivariate polynomial over a finite field. Then I know , the procedure to > find a Groebner basis say 'G' of that

Re: [sage-support] Grobner basis for linear codes

first using a code of length <10? > > On Dec 6, 2016 10:45 PM, "David Joyner" <wdjoy...@gmail.com> wrote: >> >> On Mon, Dec 5, 2016 at 4:56 AM, NITIN DARKUNDE <darkundeni...@gmail.com> >> wrote: >> > Dear group members, >> >

Re: [sage-support] Grobner basis for linear codes

On Mon, Dec 5, 2016 at 4:56 AM, NITIN DARKUNDE wrote: > Dear group members, > I am doing my research in algebraic coding theory. I have > started using sage for computations of Grobner bases, but while doing it I > have some difficulties.The paper I am

Re: [sage-support] How Do I Format this DEQ So Sage Can Solve It

On Sun, Dec 4, 2016 at 5:03 PM, tomdean1939 wrote: > ## declare variables > var('x') > y = function('y')(x) > ## third order deq > deq = derivative(y,x,3) + y == 0 Sage's interface to maxima doesn't solve 3rd order constant coefficient ODEs. You can use the interface to

Re: [sage-support] How can I double check a non-isomorphism between graphs?

On Tue, Oct 25, 2016 at 7:37 AM, Paul Leopardi wrote: > On Tuesday, 25 October 2016 06:02:06 UTC+11, Dima Pasechnik wrote: >> >> I would do a check using GAP's Grape package, which allows for checking >> isomorphisms >> (it uses nauty as the backend) >> While there is no

Re: [sage-support] How can I double check a non-isomorphism between graphs?

On Sun, Oct 23, 2016 at 9:05 AM, Paul Leopardi wrote: > Since asking the question "How should I determine if two strongly regular > graphs are isomorphic?" I have made great progress in classifying Bent > functions by their Cayley graphs. > That is, up until now. I have

Re: [sage-support] plot3d

On Sun, Oct 9, 2016 at 4:22 PM, raman kurdi wrote: > I checked it without any result. > Can you be much much more specific? What exactly did you type in? What exactly did you get as output? > On Sun, Oct 9, 2016 at 3:45 PM, raman kurdi >

Re: [sage-support] plot3d

On Sun, Oct 9, 2016 at 3:45 PM, raman kurdi wrote: > Hi Sage, > I want to draw the function $y^2+z^2=x^3+ax+b$ by sage. Could you please > help me. > Does this help? http://doc.sagemath.org/html/en/reference/plot3d/sage/plot/plot3d/implicit_plot3d.html > Raman > > --

Re: [sage-support] BCH Efficient Decoder

On Saturday, October 8, 2016, Phedon Prasinos wrote: > > >> According to >> http://www.gap-system.org/Manuals/pkg/guava3.11/doc/ >> chap5.html#X7C6BB07C87853C00 >> the Sugiyama decoding algorithm has been implemented in guava, which >> you can access from sage. >> >>>

Re: [sage-support] BCH Efficient Decoder

On Sat, Oct 8, 2016 at 1:29 PM, Phedon Prasinos wrote: > Hello, > > I am trying to implement an efficient decoder for an narrow-sense BCH code > (511,193). > Does anyone knows a way for fast decoding in sage? > According to

Re: [sage-support] Re: Create Linear code from vector space

On Thu, Oct 6, 2016 at 11:03 AM, Giorgos Marios wrote: > I am sorry, i want a large linear code capable of correcting t errors so i > can experiment with a simple McEliece implementation without using goppa > codes. > I am searching many hours for the right code family

Re: [sage-support] Create Linear code from vector space

On Thu, Oct 6, 2016 at 10:15 AM, Giorgos Marios wrote: > Hello, > > Let's say I have a -Vector space of dimension n over Finite Field of size 2- > I would like to know, how to create a large Linear code with specific weight > and number of errors it can handle. Can you

Re: [sage-support] How do I count the number of simple cycles in a graph?

On Tue, Oct 4, 2016 at 12:18 AM, Kristaps Balodis wrote: > Specifically I would like to figure out what to type in order to compute the > number of simple cycles in the Hoffman-Singleton graph. > Does this help?

Re: [sage-support] How do I load all pages into the preview of my document?

On Tue, Sep 27, 2016 at 1:15 PM, Bharath Krishnan wrote: > I am unable to load all the pages in my document. I have 6 pages and only > one shows up in the preview. Here is the link to my file. > >

Re: [sage-support] How to solve ODE y'' - 4y' + y - x = 0 using rk4?

On Mon, Sep 5, 2016 at 9:33 PM, wrote: > How to solve ODE y'' - 4y' + y - x = 0 using rk4? :( > http://doc.sagemath.org/html/en/reference/calculus/sage/calculus/desolvers.html lists dsolve_rk4. Was there a specific problem you encountered? > -- > You received this

[sage-support] Re: [sage-edu] how to plot the implicit solution of an ode by 'implicit_plot'?

On Fri, Aug 26, 2016 at 11:39 PM, Wei, Huayi wrote: > Hi, Guys, > > I solve an ode and get an implicit solution as following, and my question > is how to plot `f` by `implicit_plot` command. > > ``` > > var('t') > > y = function('y')(t) > > de = diff(y, t)/((2-y)*y) == 1 > >

Re: [sage-support] Re: (William Stein) "my top priority right now is to **make a lot of money**"

On Fri, Aug 26, 2016 at 6:51 AM, Nathann Cohen wrote: >> Nathan does give the link to the original post, but he is quoting out of >> context. Here is the full post: > > > Still, it would be incomplete to claim, as in the original post, that the > only aim of SageMath Inc.

[sage-support] Re: [sage-edu] Compiling Sage Code to run faster

On Fri, Apr 8, 2016 at 8:21 PM, wrote: > Hello, > > I have a Sage program that runs very slowly on both the Sage Math Cloud and > on the SageMath implementation on my computer. I am curious about the > possibility of compiling my Sage program so that I can execute it much

[sage-support] Re: [sage-edu] Writing 'n' variables in Sagemath linux ubuntu

This is the wrong email list for this sort of question. I'm cc'ing sage-support. If you have a topic or question about teaching with Sagemath, please post that here. BTW, I googled your question and came up with this: http://ask.sagemath.org/question/7925/a-list-of-symbolic-variables/ I'm not

[sage-support] Fwd: [sage-release] Bug in limit?

Forwarded to the correct list -- Forwarded message -- From: G. M.-S. Date: Sun, Nov 22, 2015 at 4:34 PM Subject: [sage-release] Bug in limit? To: sage-rele...@googlegroups.com Hello. This is my first post, please be indulgent. Is the following a bug?

[sage-support] Re: [GAP Support] Bug in MinimumWeight ?

Simon: Thank you for your report. Joe Fields is the maintainer and probably has better recommendations than I can offer. My only comment is that the MinimumWeight function outputs the result of a C program written by someone who is no longer in academia. - David On Tue, Oct 20, 2015 at 3:54 PM,

[sage-support] Re: girth of the Foster graph?

On Fri, Oct 2, 2015 at 5:44 PM, David Joyner <wdjoy...@gmail.com> wrote: > Hi all: > > Several online sources (including a page on Royle's website) give the > girth of the Foster graph to be 10, but Sage gives 6: > > sage: Gamma = graphs.FosterGraph() > sage: G.gir

Re: [sage-support] Re: girth of the Foster graph?

thod of > *another* variable G then do not expect to get the answer to a property of > Gamma... > How embarrassing! Thanks Vincent and sorry for wasting bandwidth. > Vincent > > > On 02/10/15 19:01, David Joyner wrote: >> >> Simllar problem with the Gray graph: &g

[sage-support] girth of the Foster graph?

Hi all: Several online sources (including a page on Royle's website) give the girth of the Foster graph to be 10, but Sage gives 6: sage: Gamma = graphs.FosterGraph() sage: G.girth() 6 Is there a bug in girth? - David -- You received this message because you are subscribed to the Google

[sage-support] Re: girth of the Foster graph?

Simllar problem with the Gray graph: sage: Gamma = graphs.GrayGraph() sage: G.diameter() 8 (it should be 6) G = graphs.LCFGraph(54, [-25,7,-7,13,-13,25], 9) sage: G.diameter() 6 seems to be the Gray graph On Fri, Oct 2, 2015 at 5:47 PM, David Joyner <wdjoy...@gmail.com> wrote: > On F

Re: [sage-support] How to compute the inverse tangent of an angle in degrees?

On Sun, Sep 27, 2015 at 12:47 PM, avi kaur wrote: > Hi > > There is function in octave to calculate the inverse tangent of an > angle in degrees i.e. atand(). I did not find any function related to > this in sage. I have to compute it. I tried following in octave: > >

Re: [sage-support] List the codewords of minimum weight

Hi Nathann: GAP's guava has http://www.gap-system.org/Manuals/pkg/guava3.11/doc/chap4.html#X84EDF67B86B4154C it is an interface to a program written in C for codes over GF(2) or GF(3). It was written by CJ Tjhal, who I think is no longer in academia. A related GAP library function is

Re: [sage-support] Incorrect Integral Result?

On Mon, Aug 31, 2015 at 6:58 PM, Jim Huff wrote: > The integral of -1/(1-x) should be ln(1-x) > > SageMathCloud computes ln(x-1) > assume(x>1) integrate(-1/(1-x),x) returns ln(x-1), which is correct. For 0

Re: [sage-support] Plotting a q analogue function as a challenge?

This is implemented in sympy, which is included with sage, according to google. I haven't tried it. Sent from TypeMail On Aug 13, 2015, 15:38, at 15:38, saad khalid saad1...@gmail.com wrote: Hello everyone: I'm currently trying to get support from my professors in order for our school to

Re: [sage-support] Plotting a q analogue function as a challenge?

On Fri, Aug 14, 2015 at 12:16 AM, saad khalid saad1...@gmail.com wrote: While qgamma isn't a native function, there's a qgamma implementation in mpmath, one of the libraries included in Sage, so: from mpmath import qgamma plot(lambda x: qgamma(4,x), (x, 2, 10)) should give you a plot of

[sage-support] Re: [sage-edu] integration involving differential

once again, Regards, sairam On Sunday, July 26, 2015 at 4:38:59 PM UTC+5:30, David Joyner wrote: In the integrand below, is f simply a function of y or does it also depend on x? On Jul 26, 2015, at 04:25, sairam sairam.t...@gmail.com wrote: https://lh3.googleusercontent.com/-HGLRuiudDNI

[sage-support] Re: [sage-edu] integration involving differential

In the integrand below, is f simply a function of y or does it also depend on x? On Jul 26, 2015, at 04:25, sairam sairam.tatiko...@gmail.com wrote: https://lh3.googleusercontent.com/-HGLRuiudDNI/VbRfkfqbiNI/AFk/gVw9Ejc6pyo/s1600/CodeCogsEqn.gif Hi I am new bie to sagemath and

Re: [sage-support] Re: Query about SageMath

On Fri, Jul 24, 2015 at 12:36 PM, Amritpal Singh amrit3...@gmail.com wrote: On Friday, July 24, 2015 at 7:46:45 PM UTC+5:30, Nils Bruin wrote: The functionality of desolve is, as documented, all provided by maxima. I am not aware of any verbosity options in maxima. There is a show_method

Re: [sage-support] How to change colors in plot3d_cube ?

On Fri, Jul 24, 2015 at 8:45 PM, Yoshihiro Sato sato...@gmail.com wrote: Hello, I am reading Adventure in group theory, written by David Joyner. I am interested in changing colors of faclet. There is an option in plot_cube, however there is no option in plot3d_cube. Would you give me

Re: [sage-support] Sage switching denominators

Look more carefully at your var statement. There's a typo. Sent from TypeMail On Jun 27, 2015, 08:12, at 08:12, Matt Lykins matt.lyk...@gmail.com wrote: Hello All, I am somewhat new to sage and I have come across a potential problem. I am trying to use an equation like (A/B)+C. When I have

Re: [sage-support] Re: Induction method

On Fri, Jun 12, 2015 at 5:06 PM, avi kaur kauravi...@gmail.com wrote: On Sat, Jun 13, 2015 at 2:08 AM, Dominique Laurain dominique.laurai...@orange.fr wrote: Precisely I cannot explain it...because using software is not same coding software ..people , not me, are coding SAGE (and other modules

Re: [sage-support] Induction method

On Mon, Jun 8, 2015 at 3:37 PM, avi kaur kauravi...@gmail.com wrote: Hello Everyone Is it possible to solve Induction problems in sage. If yes then how? Can you give an example of what you want? For example, do you mean solve a recursive equation? -- Avi kaur -- You received this

Re: [sage-support] ordering of edges in incidence_matrix vs edges methods are difference

On Mon, May 18, 2015 at 7:51 AM, Vincent Delecroix 20100.delecr...@gmail.com wrote: Moreover, for non oriented graph the Sage definition does not fit with wikipedia... I opened the trac ticket http://trac.sagemath.org/ticket/18440 Thank you. In case it's of any interest, the code I've

Re: [sage-support] ordering of edges in incidence_matrix vs edges methods are difference

On Mon, May 18, 2015 at 8:30 AM, Vincent Delecroix 20100.delecr...@gmail.com wrote: On 18/05/15 14:06, David Joyner wrote: On Mon, May 18, 2015 at 7:51 AM, Vincent Delecroix 20100.delecr...@gmail.com wrote: Moreover, for non oriented graph the Sage definition does not fit with wikipedia... I

[sage-support] ordering of edges in incidence_matrix vs edges methods are difference

, the first edge (indicated by the first column) is (0,3). However, if you look at the ordering of the edges of Gamma1 determined by the edges method, the first edge is (0,1). Maybe not a bug but an unusual feature? - David Joyner -- You received this message because you are subscribed to the Google

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

. On Thursday, May 14, 2015 at 6:10:19 AM UTC-5, David Joyner wrote: On Thu, May 14, 2015 at 6:59 AM, Dima Pasechnik dim...@gmail.com wrote: The poster has not provided an example producing the error. One needs to increase q and/or n, as it is mentioned in the post. I missed

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

On Thu, May 14, 2015 at 4:43 PM, Phoenix anirbit.mukher...@gmail.com wrote: The time trouble starts at the point in the code where it doesn't matter where the permutation matrices comes from. What the main part does is basically this. Given any set of matrices of dimensional k it produces by

Re: [sage-support] Re: Is there anywhere I can download the entire Sage documentation in HTML (ZIP) or PDF format?

On Thu, May 14, 2015 at 6:02 PM, Brenton mowands...@bigpond.com wrote: That just creates a heap of smaller PDFs: I wanted a single large PDF containing the content from all these smaller ones with bookmarks. I don't know why you would want such a file but if you really think it is useful,

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

it to a file for execution in Python, and not the code itself? On Thursday, 14 May 2015 11:32:30 UTC+1, David Joyner wrote: On Wed, May 13, 2015 at 9:13 PM, Phoenix anirbit@gmail.com wrote: So I have this SAGE code which takes in two integers q and n and it generates ~ (q^3)^(n^2) 0/1

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

On Wed, May 13, 2015 at 9:13 PM, Phoenix anirbit.mukher...@gmail.com wrote: So I have this SAGE code which takes in two integers q and n and it generates ~ (q^3)^(n^2) 0/1 matrices and does a sum of their characteristic polynomials. I got answers for (q = 3, n = 2), (q =2 , n = 3) and (q=2,

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

13, 2015 at 8:51:08 PM UTC-5, David Joyner wrote: On Wed, May 13, 2015 at 9:43 PM, Phoenix anirbit@gmail.com wrote: I am not sure how to include rep. Can you type in a short example of what it could be? Its a list generated by a set of operations somewhere else. I am generating Edge

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

On Wed, May 13, 2015 at 9:13 PM, Phoenix anirbit.mukher...@gmail.com wrote: So I have this SAGE code which takes in two integers q and n and it generates ~ (q^3)^(n^2) 0/1 matrices and does a sum of their characteristic polynomials. I got answers for (q = 3, n = 2), (q =2 , n = 3) and (q=2,

Re: [sage-support] Can someone help understand this error ? (that is generated for large inputs)

} Can you type in a short example of what it could be? On Wednesday, May 13, 2015 at 8:28:57 PM UTC-5, David Joyner wrote: On Wed, May 13, 2015 at 9:13 PM, Phoenix anirbit@gmail.com wrote: So I have this SAGE code which takes in two integers q and n and it generates ~ (q^3)^(n^2) 0/1

Re: [sage-support] Decimal Answers

On Mon, May 11, 2015 at 3:15 PM, Selah Bryce brycs...@hsd.k12.or.us wrote: How do you find the decimal that is equal to 7950734897590/87 You don't say how many places you want. There are lots of ways if that doesn't matter, for example 7950734897590/87.0 -- You received this message because

Re: [sage-support] Explicit solution (not implicit) for a separable ODE

On Tue, May 5, 2015 at 12:58 PM, Jotace jotacebu...@gmail.com wrote: Hello, I am trying to obtain the explicit expression for the solution od an ODE, my code is var('k') y= function('y',x) h=desolve(diff(y,x) - k*y*(1-y),y, ivar=x) h I would like to isolate y(x) = ... (with the computer,

Re: [sage-support] Sym Py vs Maxima for symbolic computation

On Tue, Apr 28, 2015 at 7:32 PM, William Stein wst...@gmail.com wrote: On Tue, Apr 28, 2015 at 2:34 PM, Alexander Lindsay adlin...@ncsu.edu wrote: My understanding is that sage offers interfaces to both sympy and Maxima. My interest is in symbolic solution of equations, often including ODEs

Re: [sage-support] Working with polynomials (or at least trying to)

On Sat, Apr 4, 2015 at 8:29 PM, absinthe kpat...@gmail.com wrote: Dear all, I'm trying to work with polynomials modulo x^N-1 whose coefficients belong to Z_p (If it helps p is a power of a prime). I know that I'm doing something wrong, but I cannot figure out what so any help is welcome.

Re: [sage-support] solving equation involving absolute values

On Tue, Mar 24, 2015 at 1:04 AM, sundar atisunda...@gmail.com wrote: Hello I am newbie to sagemath. I have windows 8 and sage version is 6.4.1. I am running it inside virtualbox. I was reading some thing about solving equations on sage website at

Re: [sage-support] bug report with Rubik's cube functions

On Thu, Mar 19, 2015 at 8:07 AM, Pierre pierre.guil...@gmail.com wrote: Hi, I have just realized this, and thought it would be helpful to know for anyone playing with Sage's Rubik's cube abilitites. Here it is: While the following 3 commands: sage: CubeGroup().move(U) and sage:

Re: [sage-support] bug report with Rubik's cube functions

://groupprops.subwiki.org/wiki/Switching_between_the_left_and_right_action_conventions On Thursday, March 19, 2015 at 3:32:18 PM UTC+1, David Joyner wrote: On Thu, Mar 19, 2015 at 8:07 AM, Pierre pierre@gmail.com wrote: Hi, I have just realized this, and thought it would be helpful to know

Re: [sage-support] doing an example in the Laplace section and it's giving me an error

On Mon, Mar 2, 2015 at 10:47 PM, Scott Richardson scottr...@gmail.com wrote: Hello, I was doing the spring mass example, by copy and paste, in this location http://www.sagemath.org/doc/tutorial/tour_algebra.html. Got an error pointing to the following: -%at. Image attached with the issue

[sage-support] number of rational points of Fermat curves over a finite field

Hi Sage-support: At his request, the question below is posted for Norm Hurt, who is not on this list. - David I was reading a recent paper of Arakelian and Borges on Frobenius nonclassicality of Fermat curves with respect to cubics, in which at some point they state that the curve C: X^8 + Y^8

Re: [sage-support] Re: Permutation actions on vectors

On Tue, Jan 13, 2015 at 2:18 PM, Sihuang Hu husihu...@gmail.com wrote: Yes, it is related, but not what I want. Are you sure? sage: L = [sorted(sorted(I.orbit(list(x for x in GF(2)^3] sage: set(map(tuple, L)) {([0, 0, 0],), ([0, 0, 1], [0, 1, 0], [1, 0, 0]), ([0, 1, 1], [1, 0, 1], [1, 1,

Re: [sage-support] Finite, connected digraphs returning infinite diameter

On Sun, Jan 11, 2015 at 5:49 PM, Andrew Russell andrew.russell...@gmail.com wrote: I'm running Sage 6.4.1 on OS X (Yosemite). Creating a finite, connected DAG with n vertices (for any n that I tried) returned +Infinity. EG: sage: digraphs.Path(10).diameter() +Infinity or even sage:

Re: [sage-support] Find real root

On Fri, Jan 9, 2015 at 5:34 AM, Santanu Sarkar sarkar.santanu@gmail.com wrote: Dear all, I have one polynomial f_x(y) =y^3 +f_1(x) y^2 +f_2(x) y + f_3(x). Since it is a cubic polynomial, it has atleast one real root. I want to find that real root as a function of x. I know that x \in

Re: [sage-support] How to implement a group action in Sage? two

On Fri, Jan 2, 2015 at 9:14 AM, Nilo de Roock ndroo...@gmail.com wrote: ( cross-posted in Mathematics SE ) implement a group action in Sage ( for educational purposes )? Let S= {A,B,C,D} and S4= SymmetricGroup(4). I want to create a table of the action S4 x S - S which standardly permutes

Re: [sage-support] Fwd: error in Sage

On Tue, Dec 30, 2014 at 2:18 AM, William Stein wst...@gmail.com wrote: -- Forwarded message -- From: Aneta Buraczyńska an.buraczyn...@gmail.com Date: Mon, Dec 29, 2014 at 11:03 PM Subject: error in Sage To: William Stein wst...@gmail.com Dear Mr William Stein, I am

Re: [sage-support] differentiating large function problem

On Mon, Dec 22, 2014 at 2:38 PM, Brian Sherson caretake...@gmail.com wrote: Dustin, I don’t think you can use LaTeX syntax to define f. Agreed. However, there is this: http://www2.ph.ed.ac.uk/snuggletex/documentation/generating-maxima-input.html which might help. You would need to use Maxima

Re: [sage-support] Sage and latest debian problem

On Wed, Dec 17, 2014 at 10:22 PM, constantino.ever...@gmail.com wrote: Hi, so I was thinking about moving from Mathematica to Sage so I downloaded the binary version for Linux 32-bits. Afaik I should just be able to run sage with ./sage after extracting it but it doesn't work I get the

Re: [sage-support] Sage and latest debian problem

On Wed, Dec 17, 2014 at 11:17 PM, constantino.ever...@gmail.com wrote: It's 7, 32bits. I know this is some work, but can you create a partition with a 64 bit debian? AFAIK, the need for 32 bit, for most people, expired some time ago. On Thursday, December 18, 2014 1:58:11 AM UTC-2, David

Re: [sage-support] Fourier Transforms in sage

On Fri, Aug 15, 2014 at 4:59 PM, Oscar algebraicame...@gmail.com wrote: I wanted to calculate some Fourier transforms, and it seems like sage doesn't have them. I was expecting something on the likes of mathematica's command sage: fourier_transform(exp(-I*omega0*t) , t, omega )

Re: [sage-support] Clifford Algebras, grrrrrr

Have you looked at what sympy already has for Clifford algebras? On Saturday, July 26, 2014, Stephen Kauffman strangerl...@gmail.com wrote: I attempted to create a Clifford Algebra for space-time with the gamma matrices using the FreeAlgebraQuotient in analogy to the example for constructing

Re: [sage-support] Fwd: Sage ModularForms() error?

Joyner wdjoy...@gmail.com wrote: Does anyone know the answer to this? -- Forwarded message -- From: M. ... Date: Wed, Jun 18, 2014 at 8:43 PM Subject: Sage ModularForms() error? To: wdjoy...@gmail.com David Joyner, When using the sagecell.sagemath.org server, when I evaluate

[sage-support] Fwd: Sage ModularForms() error?

Does anyone know the answer to this? -- Forwarded message -- From: M. ... Date: Wed, Jun 18, 2014 at 8:43 PM Subject: Sage ModularForms() error? To: wdjoy...@gmail.com David Joyner, When using the sagecell.sagemath.org server, when I evaluate the command: ModularForms

Re: [sage-support] Re: Sage Tutorial questions

On Wed, May 21, 2014 at 4:17 PM, Dima Pasechnik dimp...@gmail.com wrote: On 2014-05-21, David Joyner wdjoy...@gmail.com wrote: Hi: I am trying to upload a new version of the Sage Tutorial to createspace.com for those that want to buy a bound version. (The royalties go directly to the Sage

Re: [sage-support] Does Sage support content mathML?

On Tue, May 27, 2014 at 1:48 PM, TAM traci...@gmail.com wrote: I was wondering if Sage supports saving an equation in content and presentation mathML? You can save in latex then use this package: http://dlmf.nist.gov/LaTeXML/manual/ Thank you for your help. TAM -- You received this

Re: [sage-support] How to convert Vector space of dimension 1 to field

On Mon, May 26, 2014 at 8:04 PM, msantopr msant...@gmail.com wrote: Hi all, I am new to sage, so please forgive me if this is a trivial question. I tried to find a minimal example for my problem. I can define two real interval fields: t0=RIF(2.9, 3.1) t1=RIF(2.9, 3.1) and then define a

[sage-support] Sage Tutorial questions

as expected. If the content is not aligned properly please resize your PDF to match the trim size and upload again. (I checked. It doesn't.) Any ideas? - David Joyner -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group

[sage-support] Re: intersection

On Wed, May 14, 2014 at 1:25 AM, nas mer nt.a.am1...@gmail.com wrote: Hi Thank you I attach the program of intersection in sage. please, look at the attach file. See attached. Best regard This is an elementary problem in matrix theory. Is this homework for a class? -- You received

Re: [sage-support] Re: [sage-edu] intersection of subspase

On Wed, May 14, 2014 at 1:52 AM, nt.a.am1...@gmail.com wrote: Dear John I recently became acquainted with the software and its capabilities. I like to every value p, the two subspace subscribe to my account. Grateful for your guidance. This is a problem in matrix theory which can be

[sage-support] Re: [sage-edu] intersection of subspase

I don't know what the field Zp(y1) means. It looks like you want to intersect two subspaces of CC^9. Is that correct? Cross-posting to sage-support, where more people might be able to help. On Tue, May 13, 2014 at 11:24 AM, nt.a.am1...@gmail.com wrote: Hi I should calculate the

[sage-support] Re: [sage-edu] intersection of subspase

On Tue, May 13, 2014 at 1:50 PM, nt.a.am1...@gmail.com wrote: Thank you Zp(y1) is splitting field. I should replace CC^9 with Zp(y1) field. Yes. I should calculate the intersection E and W subspases, but in Zp(y1) field.where y1=-0.5000 + 0.8660*i. By Zp(y1), do you mean the cyclotomic

Re: [sage-support] Re: [sage-edu] intersection of subspase

On Tue, May 13, 2014 at 2:19 PM, nt.a.am1...@gmail.com wrote: It is known that a polynomial x^2 +x +1= 0 has a solution in Zp if and only if -3 is a square root in Zp, which is if and only if p=1.mod 6. the splitting field Zp(y1) where y1 is a solution of the polynomial x^2 +x +1= 0 . So,

Re: [sage-support] Re: [sage-edu] intersection of subspase

On Tue, May 13, 2014 at 5:03 PM, nt.a.am1...@gmail.com wrote: Thank you very much. I test your hint, but it was wrong. Can you please copy and paste into your email what you did and what error you got? Please indicate where i require to correct the following example. sage:

Re: [sage-support] Peer Review: probability distribution for the sample variance

On Wed, Jan 1, 2014 at 1:58 PM, Buck Golemon workithar...@gmail.com wrote: Below is a link to a worksheet I've been working on. It's provided as a public pdf on google drive, as I'm still looking for a better way to share worksheets. You can easily download the pdf if you prefer. Please let

Re: [sage-support] finding special function antiderivatives

On Fri, Apr 11, 2014 at 1:41 PM, Greg Marks gtma...@gmail.com wrote: A problem that arose in a recent calculus class involved practical methods for finding a numerical estimate of the arc length of the curve y = x^3 from (0,0) to (2,8). So, one might ask, could one use SAGE to perform

Re: [sage-support] Cayley graph of PGL(2,q)

On Mon, Apr 7, 2014 at 11:36 AM, Oren Becker oren.bec...@gmail.com wrote: I would like to compute the spectrum of a certain Cayley graph on PGL(2,q), for a certain prime power q. I created the generators of the graph as elements of GL(2,q). Why don't you redo your steps but change this step

Re: [sage-support] Given a set of generators for a group G, how do I find a presentation for it using those generators?

On Fri, Apr 4, 2014 at 12:43 AM, Will oxei...@gmail.com wrote: Suppose I have a group G, which I know is finitely presentable and infinite. Suppose I have a small list of generators for G (in this case, 5). How can I find a presentation for G using those generators? How do you define the

Re: [sage-support] Correctness of Extended Quadratic Residue Code over GF(4)

On Mon, Mar 24, 2014 at 6:28 AM, Gerli Viikmaa gerliviik...@gmail.com wrote: Hi, I'm working on vectors of varying sizes on GF(4) and I'm currently trying to implement the code given in http://www.iks.kit.edu/home/grassl/codetables/BKLC/BKLC.php?q=4n=8k=2 The first step (Extend the QRCode

Re: [sage-support] question

On Mon, Mar 24, 2014 at 10:05 AM, Wilcox, Walter walter_wil...@baylor.edu wrote: Is anyone there? I am trying to get sage to understand latex input. I get an error saying that pdflatex is not installed. How do I do this on a Mac? I have texlive and texshop installed. I'm not sure what you

Re: [sage-support] BinaryReedMullerCode does not work

On Thu, Mar 6, 2014 at 5:27 PM, Barbara Sánta santa.ba...@gmail.com wrote: Hi, HammingCode is working, but I tried: C = BinaryReedMullerCode(4,2) Traceback (most recent call last): File stdin, line 1, in module File _sage_input_2.py, line 10, in module exec

Re: [sage-support] checking if two matrices are permutation similar

On Thu, Feb 27, 2014 at 2:25 PM, Keivan Monfared k1monfa...@gmail.com wrote: In a problem that I am solving I generate matrices and put them in a list. The list gets long as if a matrix is a solution to my problem, all of its permutations are, so I want to check to see if a matrix that I find

[sage-support] Re: [sage-edu] viewing student worksheets

On Tuesday, January 21, 2014, Maeve McCarthy mmccar...@murraystate.edu wrote: I ran a SageNB lab last Thursday (1/16) in class. My students all created accounts and shared their worksheets with me at the end of class. I did a cursory check, saw that they were all there, and decided to grade

Re: [sage-support] integrating an expression with a dirac_delta function.

On Thu, Nov 28, 2013 at 4:37 AM, Jose Guzman sjm.guz...@gmail.com wrote: Hi everybody, I want to solve the following ODE: dp/dt = (1-p)/tau - u*p*delta(t-tOn) In principle, desolve_odeint should be able to do it. However, in sage sage: import numpy as np sage: from

Re: [sage-support] Error in elias_upper_bound

On Tue, Nov 19, 2013 at 9:46 AM, Peter Mueller ypf...@googlemail.com wrote: Dear Sage Developers, the Elias bound of coding theory is wrongly implemented. Compare Thanks for this report. Would you mind creating a trac ticket for this? I'd be very grateful. sage:

[sage-support] Re: [sage-edu] Sage and Automatic Control

Cross posting On Wednesday, September 11, 2013, wrote: Sage can be used to automatic control arguments? Ie root locus, diagrams bode, controllability observability matrices etc.. etc.. Ale I don't know what you mean but sage-support is a better place to post this question I think. --

Re: [sage-support] [newbie] lambda operator

On Thu, Aug 15, 2013 at 6:24 AM, Jean Dubois jeandubois...@gmail.com wrote: Hello, I recently bought a book adventures in group theory which uses Sage. On page 14 If you bought the 2nd edition then half the proceeds go to Sage, so thanks! (The other half go to an environmental group, and they

Re: [sage-support] Re: Completely confused about simple Sage matrix operation error

On Mon, Jul 1, 2013 at 5:27 AM, David Ingerman daviddavif...@gmail.com wrote: On Monday, July 1, 2013 2:06:54 AM UTC-7, Harald Schilly wrote: On Monday, July 1, 2013 10:45:36 AM UTC+2, David Ingerman wrote: The following matrix operation produces wrong answer in online Sage:

Re: [sage-support] Question about FastFourierTransform

On Tue, May 28, 2013 at 10:46 AM, Thierry Dumont tdum...@math.univ-lyon1.fr wrote: Hi, I am experimenting with fast Fourier Transform in Sage. It seems there are different possibilities. 1) There is: FastFourierTransform FastFourierTransform(size, base_ring=None) 2) One can simply do: v =

Re: [sage-support] Coefficient of Boolean Polynomial

On Mon, May 27, 2013 at 9:00 PM, Santanu Sarkar sarkar.santanu@gmail.com wrote: Dear all, In the following code, although the coefficient of x0 is 1+x1*x2, it returns 1. from sage.crypto.boolean_function import BooleanFunction R.x0,x1,x2,x3,x4,x5=BooleanPolynomialRing(6)

Re: [sage-support] right_kernel()

On Thu, Apr 18, 2013 at 5:42 PM, Juan Grados juan...@gmail.com wrote: I ask this because I am study McEliece Cryptosystem. And to get the generator matrix of Goppa code I am using the right_kernel() instruction Krnl = H.right_kernel(); but I get always these form. The parity check matrix

Re: [sage-support] Re: Fwd: sage.maa.org

On Thu, Apr 4, 2013 at 8:06 AM, kcrisman kcris...@gmail.com wrote: On Wednesday, April 3, 2013 8:24:40 PM UTC-4, kcrisman wrote: On Wednesday, April 3, 2013 6:42:37 PM UTC-4, Jason Grout wrote: On 4/3/13 5:23 PM, David Joyner wrote: Hi: Has anyone on sage-support tested out

[sage-support] Fwd: sage.maa.org

David Joyner, I just noticed that the MAA is running a public Sage Notebook server at URL http://sage.maa.org version 5.0.1. I don't know of an updated list of such public servers. The list at http://nb.sagemath.org/demo.html does not include th MAA server. Should it? Shalom, Michael -- You

Re: [sage-support] Circulant matrix

On Thu, Mar 14, 2013 at 9:10 PM, pascal pascal.or...@gmail.com wrote: Does Sage provide support for building the circulant matrix associated to a given list ? Is this what you want? http://www.sagemath.org/doc/reference/sage/combinat/matrices/latin.html -- You received this message because

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