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
>
+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
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
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
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,
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
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
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
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:
>>>
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:
>>>
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
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
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
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
>
+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
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, ...,
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
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
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
>
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
>
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
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
>
>
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
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
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
> 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
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
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
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)
>
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"
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
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:
>>
>>
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
>
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),
> >> :
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
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
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
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
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
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.
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
>
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
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
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
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
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
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
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:
> >
> >
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:
> >
> &
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
>>
>
^
[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
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
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.
>>>
/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
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
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
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,
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
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] =
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
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
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
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.
>
>
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
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
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
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:
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
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
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|
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
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)
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
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
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
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!
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
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
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
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:
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
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
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
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
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
>
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
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.
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
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
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?
>>
>>
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
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
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
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
>
>
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
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
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
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
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,
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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