Re: [sage-devel] VOTE: Revert merged PR with unreviewed dependencies

2024-04-18 Thread David Joyner
On Thu, Apr 18, 2024 at 11:54 AM David Roe wrote: > > Hi all, > Sage has had a review process for over 15 years, but a combination of recent > changes has led to the merging of a PR into sage-10.4.beta3 of a change > (#36964) that I believe should not (yet) have been merged. In #37796 I >

Re: [sage-devel] Vote: changes to Sage's Code of Conduct

2024-03-21 Thread David Joyner
+1 On Thu, Mar 21, 2024 at 12:51 PM John H Palmieri wrote: > Dear Sage community, > > As announced at > https://groups.google.com/g/sage-devel/c/Xf6dbPLmKPY/m/p88auKlBAwAJ, I > propose some changes to the Code of Conduct. Those changes have been > discussed and modified based on feedback from

Re: [sage-devel] Re: Implementing minimum_generating_set() function

2024-02-03 Thread David Joyner
On Sat, Feb 3, 2024 at 1:13 PM 'Ruchit Jagodara' via sage-devel < sage-devel@googlegroups.com> wrote: > So, why is the quotient function implemented in Sage is > giving RegularActionHomomorphism of G/N ? Is there any particular reason > for it? Should I change it (because I found a FIXME note

Re: [sage-devel] Re: Policy for disputed PRs: discussion

2023-11-30 Thread David Joyner
On Wed, Nov 29, 2023 at 10:12 AM tobia...@gmx.de wrote: > At first I was very enthusiastic about this proposed policy, but after > thinking about this for a bit I'm no longer convinced this is a good idea. > > First of all, the policy sets out to solve the case "where there is a > general

Re: [sage-devel] Discussion and poll: should Sage Integers have a backslash operator?

2023-09-27 Thread David Joyner
On Wed, Sep 27, 2023 at 2:32 PM John H Palmieri wrote: > The github issue #36060 (https://github.com/sagemath/sage/issues/36060) > proposes adding a backslash operator for Sage integers, so that "2 \ 3" > will return the same as "3 / 2". Do you support this? > > I'm not for or against. However,

Re: [sage-devel] ping - please cast you vote: VOTE: Follow NEP 29: Recommended Python version

2023-05-30 Thread David Joyner
On Tue, May 30, 2023 at 5:15 AM Dima Pasechnik wrote: > So far we only had very few votes cast. > > I vote for following NEP 29, or, at the very least, staying as coordinated with numpy as possible. > Once again, I think we should close ranks with the rest of scientific > python people and

Re: [sage-devel] web site from cocalc but in our domain

2023-04-25 Thread David Joyner
ments and > integrated 3d graphics." > > Thanks, I missed that. > On Tuesday, April 25, 2023 at 2:45:45 AM UTC-6 David Joyner wrote: > >> On Tue, Apr 25, 2023 at 3:23 AM Dima Pasechnik wrote: >> >>> >>> >>> On Tue, 25 Apr 2023, 07:09 Frédéric Cha

Re: [sage-devel] web site from cocalc but in our domain

2023-04-25 Thread David Joyner
On Tue, Apr 25, 2023 at 3:23 AM Dima Pasechnik wrote: > > > On Tue, 25 Apr 2023, 07:09 Frédéric Chapoton, > wrote: > >> Hello, >> >> I have recently found: >> https://sage.sagemath.org/ >> which seems to be advertisment for cocalc. >> >> Is this something we allowed ? >> > > IMHO it should be

Re: [sage-combinat-devel] implementing covering arrays

2023-03-02 Thread David Joyner
ng approved by some of the original implementers of the OA >> source code. >> >> thanks >> brett >> On Tuesday, May 31, 2022 at 3:56:08 PM UTC-4 David Joyner wrote: >> >>> On Mon, May 30, 2022 at 2:35 PM brett stevens >>> wrote: >>>

[sage-devel] Re: [sage-combinat-devel] implementing covering arrays

2023-03-02 Thread David Joyner
ng approved by some of the original implementers of the OA >> source code. >> >> thanks >> brett >> On Tuesday, May 31, 2022 at 3:56:08 PM UTC-4 David Joyner wrote: >> >>> On Mon, May 30, 2022 at 2:35 PM brett stevens >>> wrote: >>>

Re: [sage-devel] I am being (almost) banned from posting on sage-* groups

2023-03-01 Thread David Joyner
Hi Dima: Maybe the google groups interface is buggy? If memory serves, I've had to approve you several times in the past, but none recently that I can recall. - David J On Wed, Mar 1, 2023 at 4:20 AM Dima Pasechnik wrote: > I tried to send a reply by email to a message on sage-support > It

Re: [sage-devel] Migrated repo ready for review on GitHub.com

2023-02-04 Thread David Joyner
On Sat, Feb 4, 2023 at 7:22 AM Kwankyu Lee wrote: > > 2) GitHub nathanncohen is a real GitHub account, not a mannequin - and > it corresponds to Trac's ncohen just fine. > > Perhaps he didn't respond to the recent invitation. > Dima would know better than I, but my guess is that Nathann Cohen

Re: [sage-devel] online talk about the github workflow

2023-02-02 Thread David Joyner
Hi Vincent: Will this be recorded and posted on youtube, or something like that? - David On Thu, Feb 2, 2023 at 4:23 PM Vincent Delecroix <20100.delecr...@gmail.com> wrote: > Dear all, > > As part of the sage days 117 (https://wiki.sagemath.org/days117) > Matthias Köppe will give on online talk

Re: [sage-devel] Solving a system of linear equations with complex numbers yields false solution

2022-10-09 Thread David Joyner
On Sun, Oct 9, 2022 at 3:25 AM Florian Königstein wrote: > > I have equations for the analysis of an electric circuit. They contain at > several places the term w*I (I is the imaginary unit). I get a solution for > the currents I1, I2, I3, I4. Then I substitute the solution into the >

Re: [sage-devel] VOTE: move Sage development to Github

2022-09-21 Thread David Joyner
+1 for Github On Wed, Sep 21, 2022 at 1:23 PM David Roe wrote: > > Dear Sage developers, > Following extensive discussion, both recently (prompted by issues upgrading > the trac server) and over the last decade, we are calling a vote on switching > Sage development from Trac to Github. We've

Re: [sage-devel] Re: On changing Bernoulli(1) to +½

2022-09-13 Thread David Joyner
On Tue, Sep 13, 2022 at 3:43 AM Jeremy Tan wrote: > > A simpleton's way of getting out of the problem indeed. PARI/GP's > documentation says: > Let's play nice here, okay? > ? ?bernvec > bernvec(n): returns a vector containing, as rational numbers, the Bernoulli > numbers B_0, B_2, ...,

Re: [sage-devel] On changing Bernoulli(1) to +½

2022-09-12 Thread David Joyner
ebate on the default behavior can be moved to a new ticket, if desired. > David A. > > Le lundi 12 septembre 2022 à 10:51:15 UTC-4, David Joyner a écrit : >> >> On Mon, Sep 12, 2022 at 9:49 AM Dima Pasechnik wrote: >> > >> > On Mon, Sep 12, 2022 at 2:21 PM Jer

Re: [sage-devel] On changing Bernoulli(1) to +½

2022-09-12 Thread David Joyner
On Mon, Sep 12, 2022 at 9:49 AM Dima Pasechnik wrote: > > On Mon, Sep 12, 2022 at 2:21 PM Jeremy Tan wrote: > > > > Perhaps I need your help, William. The associated trac ticket > > https://trac.sagemath.org/ticket/34521 was marked invalid offhand by the > > release manager Frédéric Chapoton

Re: [sage-devel] Please add your GitHub account name to the SageMath contributor info

2022-09-12 Thread David Joyner
On Mon, Sep 12, 2022 at 8:12 AM Matthias Koeppe wrote: > > Dear Sage developers (current and past): > > The SageMath developer map (https://www.sagemath.org/development-map.html) > needs your updated information. > > In particular, motivated by the proposed migration from Trac to GitHub >

Re: [sage-devel] Trac #34152 needs you (to vote)!

2022-08-23 Thread David Joyner
Can I give my (proxy) vote to Dima? On Tue, Aug 23, 2022 at 7:38 PM François Bissey wrote: > > Hi all, > > https://trac.sagemath.org/ticket/34152 needs help to decide what solution we > implement going forward. > > The ticket is concerned with updating the bootstrap process by removing the >

Re: [sage-devel] Fourier series expansion function: fourier_expand()

2022-08-21 Thread David Joyner
On Sun, Aug 21, 2022 at 7:11 AM Furkan Semih Dündar wrote: > > Dear All, > > I want to implement an easy function (afaik is lacking in Sage Math) that may > be called as "fourier_expand" which will return Fourier series of a function > (for which integrals can be calculated analytically) up to

Re: [sage-devel] Proposal: make Furo a standard package

2022-08-04 Thread David Joyner
On Wed, Aug 3, 2022 at 9:29 PM Kwankyu Lee wrote: > > Dear Sage developers, > > Furo is a clean customisable Sphinx documentation theme. It has been an > optional pip package since Sage 9.7.beta2. > > Meanwhile we made efforts to make Furo a new theme for our documentation > through > >

Re: [sage-devel] Re: manual memory management for GAP?

2022-06-21 Thread David Joyner
On Tue, Jun 21, 2022 at 5:19 AM Dima Pasechnik wrote: > > On Tue, Jun 21, 2022 at 4:06 AM Nils Bruin wrote: > > > > Perhaps this message (see the thread it's in for context) applies to your > > situation? > > > > https://groups.google.com/g/sage-devel/c/ntuqDmruI8w/m/vJOv6mgqCgAJ > > this is

Re: [sage-combinat-devel] implementing covering arrays

2022-05-31 Thread David Joyner
On Mon, May 30, 2022 at 2:35 PM brett stevens wrote: > > Myself and my M.Sc. student Aaron Dwyer are interested in adding covering > arrays to sagemath in the design theory code. We have been reviewing the > orthogonal array code as guidance and have some questions for > sage-combinat-devel

[sage-devel] Re: [sage-combinat-devel] implementing covering arrays

2022-05-31 Thread David Joyner
On Mon, May 30, 2022 at 2:35 PM brett stevens wrote: > > Myself and my M.Sc. student Aaron Dwyer are interested in adding covering > arrays to sagemath in the design theory code. We have been reviewing the > orthogonal array code as guidance and have some questions for > sage-combinat-devel

Re: [sage-devel] orbit decompositions

2022-05-05 Thread David Joyner
> On Thursday, 5 May 2022 at 11:06:15 UTC+2 David Joyner wrote: >> >> On Thu, May 5, 2022 at 3:51 AM 'Martin R' via sage-devel >> wrote: >> > >> > David, could you do the review? >> > >> >> I don't know git but, for my own amuseme

Re: [sage-devel] orbit decompositions

2022-05-05 Thread David Joyner
On Thu, May 5, 2022 at 3:51 AM 'Martin R' via sage-devel wrote: > > David, could you do the review? > I don't know git but, for my own amusement, I copy+pasted all the code in that module on your trac ticket into a sage file, then attached it to a sage session and ran some examples. I'd be happy

Re: [sage-devel] orbit decompositions

2022-05-04 Thread David Joyner
mutationGroup >> >> On Tuesday, 3 May 2022 at 15:27:06 UTC+2 David Joyner wrote: >>> >>> On Tue, May 3, 2022 at 7:12 AM 'Martin R' via sage-devel >>> wrote: >>> > >>> > I implemented (well, the implementation is trivial) the following, an

Re: [sage-devel] orbit decompositions

2022-05-03 Thread David Joyner
lid input") > args = list(args) > gap_group = args.pop(0) > if args: > domain = args.pop(0) > if args: > canonicalize = args.pop(0) > if args: > category = args.pop(0) >

Re: [sage-devel] orbit decompositions

2022-05-02 Thread David Joyner
On Mon, May 2, 2022 at 11:24 AM 'Martin R' via sage-devel wrote: > > I am actually not sure anymore, which methods or functionality this class > should provide. > > Would it possibly be better to enhance PermutationGroup with an additional > optional "from_action" and "from_cyclic_action"

Re: [sage-devel] orbit decompositions

2022-05-02 Thread David Joyner
1) This is okay with me, but by "set" I assume you don't mean "Set":-) For example, sage: A = lambda g, x: g*x sage: G = SL(2,5) sage: X = GF(5)^2 sage: a = GroupAction(A, X, G) sage: a.orbits() should return something reasonable. 2) Your new class should be consistent with the built in action of

Re: [sage-devel] orbit decompositions

2022-04-28 Thread David Joyner
ne an action (in particular, a > cyclic action) on a set in sage? > Sorry, I don't know an easy way. I've always just defined them by hand whenever needed. However, I agree with you that a better way is needed. > On Thursday, 28 April 2022 at 15:27:03 UTC+2 David Joyner wrote: >> >>

Re: [sage-devel] orbit decompositions

2022-04-28 Thread David Joyner
On Thu, Apr 28, 2022 at 9:09 AM 'Martin R' via sage-devel wrote: > > I am very frequently using the function > > Signature: orbit_decomposition(L, cyc_act) -> 'list[list]' > Docstring: >Return the orbit decomposition of "L" by the action of "cyc_act". > >INPUT: > >* "L" -- list >

Re: [sage-devel] Matroid rank weird behavior

2022-04-06 Thread David Joyner
On Wed, Apr 6, 2022 at 5:45 AM Jakub Komárek wrote: > > I have been experiencing some weird sage behavior regarding matroids (bug?). > > Sage session: > > >> sage: A = matrix([ > >> : (24933.199686367003,-41014.0,-51015.0,0.0,0.0,0.0), > >> :

Re: [sage-devel] Teaching with Sagemath

2021-10-06 Thread David Joyner
On Wed, Oct 6, 2021 at 11:17 AM David Coudert wrote: > > Dear all, > > a colleague asks me if we have examples of notebooks for teaching > introduction to graph theory with sagemath. > I found this page that is clearly outdated > https://wiki.sagemath.org/Teaching_with_SAGE > > If you are aware

Re: [sage-devel] New contributor's questions: Patchbot failing on random test + Copyright

2021-08-04 Thread David Joyner
On Wed, Aug 4, 2021 at 12:47 PM Maxime Bombar wrote: > On 8/4/21 6:39 PM, David Joyner wrote: > > I'm not sure I can answer your question but the copyright block in > > > https://git.sagemath.org/sage.git/tree/src/sage/coding/channels_catalog.py?id=abf97b817ebb4618b8e5d9

Re: [sage-devel] New contributor's questions: Patchbot failing on random test + Copyright

2021-08-04 Thread David Joyner
On Wed, Aug 4, 2021 at 12:21 PM Maxime Bombar wrote: > Hello everyone, > > My name is Maxime Bombar and I am a PhD student at INRIA Saclay, France. > > Lately, I worked on rank-metric codes and there are some pieces of code > I'd like to add to Sage. This would be my first contribution to Sage

Re: [sage-devel] Memory leak in integer multiplication in sage?

2021-03-18 Thread David Joyner
On Thu, Mar 18, 2021 at 6:56 AM Maarten Derickx wrote: > Hi All, > > tldr: the bottom of this post contains example code of which I would like > the results on some other systems. > > I recently encountered a memory leak in the relatively innocently looking > code: > > d = 27 > M = 109 > for i

Re: [sage-devel] HELP

2021-02-15 Thread David Joyner
On Mon, Feb 15, 2021 at 12:26 PM Cosimo Romito wrote: > Salve, ho provato a scaricare Sage per linux/64bit versione 8.7. > Vorrei sapere come faccio a lanciare il programma dal terminale. > Ho provato a usare la dicitura "sage -notebook" ma non parte. Qualcuno sa > dirmi come devo fare? > In

Re: [sage-devel] sage-devel@sourceforge

2020-11-26 Thread David Joyner
On Thu, Nov 26, 2020 at 9:32 AM Marc Mezzarobba wrote: > sage-de...@lists.sourceforge.net is still receiving new messages--99% > spam, but not 100%, see: > > https://sourceforge.net/p/sage/mailman/sage-devel/ > > Does anyone have the necessary permissions to shut it down? > Maybe William does.

Re: [sage-devel] Re: Transpiling from Mathematica syntax to sage backends

2020-10-28 Thread David Joyner
FYI, related to this thread, it looks like Rocky and a few colleagues are giving an upcoming talk (2020-10-30) on Mathics at SD110: https://researchseminars.org/seminar/SageDays110 On Mon, Aug 31, 2020 at 1:44 PM Rocky Bernstein wrote: > > > On Mon, Aug 31, 2020 at 1:00 PM E. Madison Bray >

Re: [sage-devel] Re: Wrong matrix of Permutation

2020-06-15 Thread David Joyner
xtbooks are different. Personally, I find it easier to get used to what is coded up than to rewrite code:-) Best regards, > Paul > > Le lundi 15 juin 2020 17:30:33 UTC+2, David Joyner a écrit : >> >> >> >> On Mon, Jun 15, 2020 at 11:21 AM 'Paul Merca

Re: [sage-devel] Re: Wrong matrix of Permutation

2020-06-15 Thread David Joyner
On Mon, Jun 15, 2020 at 11:21 AM 'Paul Mercat' via sage-devel < sage-devel@googlegroups.com> wrote: > Another bug with PermutationGroup: > > {{ > g1,g2 = PermutationGroup([(1,2,3,4), (1,3,2,4)]).gens() > (g1*g2)(3), g1(g2(3)) > }} > > should gives two times the same result, but it is not the

Re: [sage-devel] Re: Lie symmetries of differential equations

2020-06-13 Thread David Joyner
Is the command sympy.solvers.ode.infinitesimals (in sympy, therefore in Sage) related to what you want? https://docs.sympy.org/latest/modules/solvers/ode.html#infinitesimals On Fri, Jun 12, 2020 at 8:07 PM Mikhail Malakhaltsev wrote: > Dear Furcan, > > The topic is very interesting, there are

Re: [sage-combinat-devel] Image of a permutation

2020-03-08 Thread David Joyner
On Sun, Mar 8, 2020 at 5:13 AM David Joyner wrote: > > > On Sun, Mar 8, 2020 at 4:58 AM Samuel Lelièvre > wrote: > >> Dear sage-combinat-devel, >> >> Please share any insight on this question >> about the image of a permutation: >> >> htt

Re: [sage-combinat-devel] Image of a permutation

2020-03-08 Thread David Joyner
On Sun, Mar 8, 2020 at 4:58 AM Samuel Lelièvre wrote: > Dear sage-combinat-devel, > > Please share any insight on this question > about the image of a permutation: > > https://groups.google.com/d/msg/sage-devel/kk1C8LrSOTU/8W1r7LIPAgAJ > > I agree with Michael O, a permutation is a bijection, so

Re: [sage-devel] Adopting orphaned math packages

2019-12-18 Thread David Joyner
On Wed, Dec 18, 2019 at 6:19 AM Antonio Rojas wrote: > > > El miércoles, 18 de diciembre de 2019, 11:19:54 (UTC+1), E. Madison Bray > escribió: >> >> >> Looking in the latest source tarball for SYMMETRICA there are >> absolutely zero license or copyright notifications. And if the author >> is

Re: [sage-devel] Adopting orphaned math packages

2019-12-18 Thread David Joyner
On Wed, Dec 18, 2019 at 5:19 AM E. Madison Bray wrote: > On Tue, Dec 17, 2019 at 6:38 PM Michael Orlitzky > wrote: > > > > SageMath uses a few packages that appear to have been abandoned > > upstream. The most recent example I have in mind is Symmetrica: > > > >

Re: [sage-devel] Re: OSX Catalina works

2019-11-05 Thread David Joyner
sion, and it may be unstable. ┃ ┗┛ sage: *2*+*3* 5 Thanks to everyone for the help! I now have a working version of sage on my 10.15.1 laptop running the latest version of Xcode:-) > On Mon, Nov 4, 2019 at 5:37 PM David Joyner wrote: > > > &

Re: [sage-devel] Re: OSX Catalina works

2019-11-03 Thread David Joyner
On Sun, Nov 3, 2019 at 6:49 AM David Joyner wrote: > > > On Sun, Nov 3, 2019 at 3:00 AM Dima Pasechnik wrote: > >> looks like gd package didn't install right. >> >> you can install gd via Homebrew: >> >> https://formulae.brew.sh/formula/gd >> >

Re: [sage-devel] Re: OSX Catalina works

2019-11-03 Thread David Joyner
^ [sagelib-9.0.beta3] 96 warnings generated. make[3]: *** [sagelib] Error 2 make[2]: *** [all-start] Error 2 > > I also have formulas for flint and arb, they would be built from source > and installed in Homebrew structure. > > > > > > > > > On Sa

Re: [sage-devel] Re: OSX Catalina works

2019-11-02 Thread David Joyner
On Fri, Nov 1, 2019 at 1:15 PM John H Palmieri wrote: > If you have the time, could you try uninstalling Xcode and then > reinstalling it? You might also try uninstalling and reinstalling > homebrew's gcc and any other homebrew components that are relevant to Sage. > There may be some remnants

Re: [sage-devel] MacOS 10.15.1: gfortran does not compile in sage-8.9

2019-11-01 Thread David Joyner
s not accept more than one argument. > > > On Fri, Nov 1, 2019 at 1:39 PM David Joyner wrote: > >> >> >> On Fri, Nov 1, 2019 at 1:25 PM Isuru Fernando wrote: >> >>> You need to activate the sage environment which would set SAGE_ROOT. >>>

Re: [sage-devel] MacOS 10.15.1: gfortran does not compile in sage-8.9

2019-11-01 Thread David Joyner
/Users/wdj/.zshrc No action taken. I also tried switching to the bash shell, but that did not work either. > Isuru > > On Fri, Nov 1, 2019 at 6:07 AM David Joyner wrote: > >> >> >> On Thu, Oct 31, 2019 at 9:58 PM Isuru Fernando wrote: >> >>> Try

Re: [sage-devel] MacOS 10.15.1: gfortran does not compile in sage-8.9

2019-11-01 Thread David Joyner
is called mac1015-env). The sage script doesn't run since I don't know where to set SAGE_ROOT. I don't see any binaries. I think I managed to activate the new environment since it modified the .zshrc file but adding that directory to the PATH. > On Thu, Oct 31, 2019 at 5:31 PM David J

Re: [sage-devel] MacOS 10.15.1: gfortran does not compile in sage-8.9

2019-10-31 Thread David Joyner
On Wed, Oct 30, 2019 at 6:04 PM Dima Pasechnik wrote: > I think at the moment most people who tried cannot build Sage on MacOS > 10.15 with Xcode 11.1 (the latest one). > Regarding gfortran, perhaps one can try installing Homebrew and use > gfortram from there. > > If you just need a working

Re: [sage-devel] OSX Catalina works

2019-10-13 Thread David Joyner
ing. > > On Sunday, October 13, 2019 at 7:04:57 AM UTC-7, Dima Pasechnik wrote: >> >> the fact that Homebrew is not yet ready for 10.15 speaks for itself. >> >> On Sun, 13 Oct 2019, 14:56 David Joyner, wrote: >> >>> >>> >>> On Sun,

Re: [sage-devel] OSX Catalina works

2019-10-13 Thread David Joyner
On Sun, Oct 13, 2019 at 4:26 AM Volker Braun wrote: > I just upgraded the OSX buildbot and Sage works in case anybody is > wondering. This is the first time in years that the latest OSX release > doesn't introduce major toolchain issues and/or scrambles the filesystem, > hope this starts a trend

Re: [sage-devel] SymmetricGroup.word_problem returns incorrect result

2019-10-04 Thread David Joyner
On Fri, Oct 4, 2019 at 1:03 PM Chase Meadors wrote: > Perhaps I misunderstand word_problem, but I thought that, given a list of > group elements [g_1, ..., g_n] that generates a subgroup H, and x some > element (hopefully!) in H, that, > > x.word_problem([ g_1, ..., g_n ]) > Is [g1,...,gn] =

Re: [sage-devel] Bug or unfortunate feature?

2019-09-05 Thread David Joyner
On Thu, Sep 5, 2019 at 6:29 PM David Guichard wrote: > When is a linear system consistent? > > This isn't helpful: > > a,b,c=var('a b c') > A=matrix([[-4,5,9,a],[1, -2, 1, b],[-2,4,-2,c]]) > A.echelon_form() > A.rref() > > [1 0 -23/3 0] > [0 1 -13/3 0] > [0 0

Re: [sage-devel] Sage 8.5 macOS app

2018-12-28 Thread David Joyner
On Fri, Dec 28, 2018 at 4:27 PM 'Justin C. Walker' via sage-devel < sage-devel@googlegroups.com> wrote: > Hi, all, > > I just upgraded to 10.14.2 on an MBP (2017 15”), and downloaded the newly > minted Sage 8.5 mac app. > > Works okay for me with 10.14.3 on an MBP (2013 15”). I'm cd'ing to

Re: [sage-devel] merging gap_packages and database_gap spkgs into gap spkg

2018-12-16 Thread David Joyner
On Sat, Dec 15, 2018 at 5:09 AM Dima Pasechnik wrote: > The present design with two optional packages gap_packages and > database_gap was dictated in the 1st place by copyright issues with > their contents, preventing them from being standard. > > Since GAP release 4.9, all these issues have

Re: [sage-devel] Polynomial roots() function has inconsistent return type for symbolic polynomials

2018-04-03 Thread David Joyner
On Tue, Apr 3, 2018 at 6:10 AM, Alex Thorne wrote: > Hi all. I think I have found a bug in Sage, but have not reported bugs > before and would appreciate confirmation that it's actually reproducible > (and not something broken with my own setup) before I make a ticket on trac. > >

Re: [sage-devel] OS X (or BSD) testers needed

2018-02-22 Thread David Joyner
On Thu, Feb 22, 2018 at 10:16 AM, Jeroen Demeyer <j.deme...@ugent.be> wrote: > On 2018-02-22 16:13, David Joyner wrote: >> >> clang: error: no such file or directory: 'forksigaltstack.c' >> clang: error: no input files > > > Sorry, I obviously forgot to ment

Re: [sage-devel] OS X (or BSD) testers needed

2018-02-22 Thread David Joyner
On Thu, Feb 22, 2018 at 10:10 AM, Jeroen Demeyer wrote: > If you have an OS X (or BSD) system installed with development tools, please > run: > > uname -a > gcc forksigaltstack.c -o forksigaltstack && ./forksigaltstack > > and post the output. This code is a reduction of a

Re: [sage-devel] making database_gap (starting from GAP 4.9) standard - please vote

2018-02-17 Thread David Joyner
On Feb 17, 2018 6:01 PM, "Dima Pasechnik" wrote: GAP 4.9 (a release candidate, released 1st Feb) has smallgrps and transgrps, two GAP packages/libraries which are extremely useful, with GPL-compatible licenses. In the past (and up to current GAP 4.8) they had licenses non-GPL

Re: [sage-devel] Errors in GAP small groups library

2018-02-16 Thread David Joyner
On Fri, Feb 16, 2018 at 10:12 PM, David Roe wrote: > I'm trying to use GAP's small groups library (after installing gap_packages) > and getting strange errors that don't occur in GAP when built from source. > In particular (using gap_console to get more traceback) > > sage:

Re: [sage-devel] Possible Bug - Updating Sage 50 2018 Canadian

2018-01-05 Thread David Joyner
On Fri, Jan 5, 2018 at 9:45 AM, Chris Phillips wrote: > Good day, > > Found an interesting issue with the latest update, > SA_20181CPUP1_636506818893756281.exe. I think you have the wrong email group. This group is for SageMath, http://www.sagemath.org/ > Upon attempting

Re: [sage-devel] Issue with quick start

2017-11-28 Thread David Joyner
On Tue, Nov 28, 2017 at 6:45 PM, Matthew Schroeder wrote: > In the headings of the quick start it says things like "Symbolic Maths" and > "Numerical Maths" > > It is MATH not MATHS. > In Great Britain "mathematics" is abbreviated "maths". In the US, "mathematics" is

Re: [sage-devel] Re: VOTE: inclusion of OpenSSL in Sage

2017-10-21 Thread David Joyner
On Sat, Oct 21, 2017 at 12:02 PM, Eric Gourgoulhon wrote: > Hi, > > Having read the discussion, I would add a big +1 to what Thierry proposes in > https://groups.google.com/d/msg/sage-devel/fE45025Wphs/FheYtjBWAAAJ > > So I guess that in terms of vote this means > > |X|

Re: [sage-devel] Re: VOTE: inclusion of OpenSSL in Sage

2017-10-17 Thread David Joyner
On Mon, Oct 16, 2017 at 6:08 AM, Emmanuel Charpentier wrote: > [ The first post started too fast... Sorry for the interruption ! ] > > Following numerous discussions on this list and various Trac tickets*, the > issue of maintaining Sage-specific patches to various

Re: [sage-devel] On (di)graph generation

2017-10-11 Thread David Joyner
On Oct 11, 2017 1:45 AM, "Jori Mäntysalo" wrote: 1) list(graphs.nauty_geng(0)) gives empty list, whereas Sage knows a graph of 0 vertices. Can someone ask McKay to handle this special case too? Wouldn't it be easier to simply catch that case in the nauty_geng method? 2)

Re: [sage-devel] let's make FriCAS optional

2017-09-26 Thread David Joyner
On Tue, Sep 26, 2017 at 10:06 AM, 'Martin R' via sage-devel wrote: > Dear all, > > I would like to propose to make the package FriCAS optional. FriCAS > provides some functionality which is otherwise either mostly missing (e.g., > guessing formulas, lazy

Re: [sage-devel] bug in cos ?!

2017-09-16 Thread David Joyner
On Sat, Sep 16, 2017 at 7:27 AM, Mickael Pechaud wrote: > Hello, > > I'm running SageMath 7.2, on a 64bits laptop with a Ubuntu 16.04.2 LTS > (xenial). I got a wrong answer from cos : > > sage: float(cos(14*pi/9)) > -0.17364817766693041 > FYI, cocalc.com returns

Re: [sage-devel] Issues with Fourier series

2017-08-09 Thread David Joyner
On Wed, Aug 9, 2017 at 7:03 AM, Eric Gourgoulhon wrote: > Hi, > > It seems that the only way to compute with Sage the Fourier series of a > periodic real function is through the methods fourier_series_* of > piecewise-defined functions. Let us take a trivial example: the

Re: [sage-devel] Two issues about the coding theory method "weight_enumerator"

2017-07-14 Thread David Joyner
On Fri, Jul 14, 2017 at 5:35 AM, Johan S. H. Rosenkilde wrote: > Thanks a lot for reporting! We *really* appreciate any feedback from > using Sage in classes: on bugs, designs and feature requests. > > This bug is now #23433. I'll push a patch momentarily. > Thank you, Johan!

Re: [sage-devel] Two issues about the coding theory method "weight_enumerator"

2017-07-13 Thread David Joyner
On Thu, Jul 13, 2017 at 5:59 AM, 'B. L.' via sage-devel wrote: > Dear Sage-Developers, > > I'd like to report two issues that I came across when working with the > coding theory classes of SAGE. > > The Sage Reference Manual: Coding Theory, Release 7.6 [1] explains on

Re: [sage-devel] An "easy looking" computation in AA that sage can't do

2017-03-20 Thread David Joyner
On Mon, Mar 20, 2017 at 7:51 AM, Jaume Aguade wrote: > Let r > a > 0 be real numbers. Let c = a + r, d = sqrt(r^2-a^2). Then, it is > obvious that 2*a*c=c^2-d^2. However, sage crashes when trying to check this > with a and r rather "simple" algebraic numbers. > > I've found

Re: [sage-devel] Sage runs in Window's 10's new Unix subsystem

2017-01-12 Thread David Joyner
On Thu, Jan 12, 2017 at 3:43 AM, GK wrote: > >> >> I am not having any problem starting the notebook. You might genuinely be >> out of memory, or hard drive space. >> > > I am not having trouble starting the notebook either, but I can not do > anything with it, also, no, I am

Re: [sage-devel] Re: Sage Windows Installer (take 2b)

2016-12-24 Thread David Joyner
On Sat, Dec 24, 2016 at 6:07 AM, Dima Pasechnik <dimp...@gmail.com> wrote: > > > On Saturday, December 24, 2016 at 10:28:57 AM UTC, Erik Bray wrote: >> >> On Fri, Dec 23, 2016 at 12:11 AM, David Joyner <wdjo...@gmail.com> wrote: >> > Erik Bray:

Re: [sage-devel] Re: Sage Windows Installer (take 2b)

2016-12-22 Thread David Joyner
cond or so. Do you know why? I noticed a message "timeout waiting for kernel_info" in the console. Hope this helps. - David Joyner On Thu, Dec 15, 2016 at 5:20 AM, Erik Bray <erik.m.b...@gmail.com> wrote: > On Wed, Dec 14, 2016 at 9:10 PM, Peter Luschny <peter.lusc...@gma

Re: [sage-devel] vote on behaviour of is_similar for matrices

2016-10-27 Thread David Joyner
On Thu, Oct 27, 2016 at 4:48 AM, Frédéric Chapoton wrote: > Hello, > > on https://trac.sagemath.org/ticket/18505, we are trying to enhance the > is_similar method of matrices. > > Because we cannot agree, we require your vote on the following matter: > > 1) When

Re: [sage-devel] Is Brown's construction available in the graph component of sagemath?

2016-10-10 Thread David Joyner
On Sun, Oct 9, 2016 at 4:59 PM, wrote: > Brown's construction is the function which takes a finite field to a graph > with diameter 2. > http://www.emis.ams.org/journals/EJC/Surveys/ds14.pdf > > Is it available in the graph component of sagemath? I don't know but the

Re: [sage-devel] Giving Sage AI-based step-by-step equation solving abilities

2016-10-09 Thread David Joyner
On Sun, Oct 9, 2016 at 2:20 PM, Ted Kosan wrote: > David wrote: > >> I think a graphical version of this would be useful as a sage-based >> online high school math tutorial program, such as the khan academy >> algebra modules. > > Are either of the following examples close to

Re: [sage-devel] Giving Sage AI-based step-by-step equation solving abilities

2016-10-09 Thread David Joyner
On Sun, Oct 9, 2016 at 2:07 PM, Ted Kosan wrote: > For the past few years I have been working on an artificial intelligence > step-by-step equation solver for elementary algebra equations that solves > these equations using steps that a human would typically use. Here is an >

Re: [sage-devel] Re: ReST References in Sphinx and uniqueness

2016-09-05 Thread David Joyner
On Mon, Sep 5, 2016 at 11:01 AM, Johan S. H. Rosenkilde wrote: > Dima Pasechnik writes: >> only a small minority of Sage users actually use terminal. > > How do you know that? Seriously, I'd like to know how our users > distributed across interfaces. It's my impression that

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

2016-08-26 Thread David Joyner
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.

Re: [sage-devel] mailing list administration

2016-08-25 Thread David Joyner
On Thu, Aug 25, 2016 at 10:33 AM, kcrisman wrote: > > >>> > I deleted it as flame bait. I'm sick of people using sage-devel as a >>> > forum to attack others >>> I have set Nathann to moderated posting on sage-devel. IMHO, his last several posts were flame-bait and go in

Re: [sage-devel] Re: symbolic computation with Chevalley generators for algebraic groups

2016-06-24 Thread David Joyner
Joe and Travis: To add to all this: GAP has already implemented some related objects: (1) Lie algebras (http://www.gap-system.org/Manuals/doc/ref/chap64.html, http://www.gap-system.org/Datalib/lie.html, http://www.science.unitn.it/~degraaf/sla.html) (2) real Lie groups

Re: [sage-devel] Copyrights

2016-05-26 Thread David Joyner
On Thu, May 26, 2016 at 6:48 AM, Erik Bray wrote: > On Thu, May 26, 2016 at 12:34 PM, Jeroen Demeyer > wrote: >> On 2016-05-26 12:16, Erik Bray wrote: >>> >>> So my question is, what should I put in a new file? >> >>

Re: [sage-devel] Re: Making sage-7.1 fails on arch linux

2016-05-18 Thread David Joyner
On May 18, 2016 2:50 AM, "Dima Pasechnik" wrote: > > > > On Wednesday, May 18, 2016 at 7:44:03 AM UTC+1, Adetokunbo Arogbonlo wrote: >> >> Hi Sage Dev Team, >> >> Making sage from source fails on my machine. >> >> Sage version: sage-7.1 >> >> Machine details: >> Arch linux

Re: [sage-devel] Re: problem/ possible bug with picewise constant functions

2016-04-22 Thread David Joyner
On Thu, Apr 21, 2016 at 11:50 PM, Ralf Stephan wrote: > Please review > http://trac.sagemath.org/ticket/14801 > I love this!! You and Volker have done such great work on this and I really am very much looking forward to this being put into Sage. Also, I don't see any examples

Re: [sage-devel] Re: problem/ possible bug with picewise constant functions

2016-04-21 Thread David Joyner
On Tue, Feb 17, 2015 at 7:14 AM, Pablo De Napoli wrote: > Many thanks Nils for your help. > > I think that is important that sage has consistent and easy to use > interfaces, that functions do what most people would expect them to do > at every place. Specially if we want it to

Re: [sage-devel] problem/ possible bug with picewise constant functions

2016-04-21 Thread David Joyner
On Mon, Feb 16, 2015 at 8:46 AM, Pablo De Napoli wrote: > Hi, > > I'm having trouble with some piecewise constant functions. > > Suppose that I define > > f=Piecewise ([([0,1],0),([1,2],x-1)]) > > Then f.integral() works as expected, but f.derivative() will fail with > >

Re: [sage-devel] Re: SageMath for Windows installer

2016-04-08 Thread David Joyner
On Fri, Apr 8, 2016 at 5:25 AM, Erik Bray <erik.m.b...@gmail.com> wrote: > On Fri, Apr 8, 2016 at 11:23 AM, Erik Bray <erik.m.b...@gmail.com> wrote: >> On Thu, Apr 7, 2016 at 5:41 PM, David Joyner <wdjoy...@gmail.com> wrote: >>> On Fri, Mar 25, 2016 at 8:41 A

Re: [sage-devel] Re: SageMath for Windows installer

2016-04-07 Thread David Joyner
On Fri, Mar 25, 2016 at 8:41 AM, Dima Pasechnik wrote: > > > On Friday, March 25, 2016 at 11:53:51 AM UTC, aishen wrote: >> >> Unfortunatly it doesn't work on an intel core II pentium I have, it says >> it can't do virtualization... > > > you might need to change BIOS settings

Re: [sage-devel] Re: please vote for making nauty a standard package

2016-02-27 Thread David Joyner
On Sat, Feb 27, 2016 at 9:35 AM, Dima Pasechnik wrote: > version 2.6 has just been released, with updated (to GPL-compatible) > http://users.cecs.anu.edu.au/~bdm/nauty/COPYRIGHT.txt > +1 > > http://users.cecs.anu.edu.au/~bdm/nauty/ > > thus, once again, please vote on making

Re: [sage-devel] Re: Bye

2016-02-25 Thread David Joyner
On Thu, Feb 25, 2016 at 2:00 AM, Nathann Cohen wrote: > Hello Karl-Dieter, > >> As to the substance of Nathann's comments, most of this is really an >> argument >> about the GPL, or rather about how many of the potentialities in the GPL >> are >> acceptable to a given

Re: [sage-devel] Re: For whoever cares about undergrads (or wants to help William earn more money)

2016-02-15 Thread David Joyner
On Mon, Feb 15, 2016 at 7:35 AM, Nathann Cohen wrote: >> \begin{flame} >> I cannot help noticing that any Sage improvement potentially makes William >> make more $$$ >> (in the long run improvements to Sage make everyone involved in the project >> more secure financially,

Re: [sage-devel] vote for making nauty a standard package (Re: About license of nauty and poset generator)

2016-01-22 Thread David Joyner
On Fri, Jan 22, 2016 at 2:29 AM, Dima Pasechnik wrote: > > > On Thursday, 21 January 2016 07:16:45 UTC, Jeroen Demeyer wrote: >> >> On 2016-01-21 00:29, Dima Pasechnik wrote: >> > Surely, if the official nauty got another licence it would have solved >> > the problem easier. >>

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