Haven’t checked yet but so far I have dealt with libsingular, zn_poly and
cliquer.
For some reason git doesn’t want to build in my current run.
Do we have a ticket for El Capitan where I can push things for
other brave people?
François
> On 7/10/2015, at 19:40, kcrisman wrote:
>
> For some ti
>
> >
>
> MMMhhh, interesting!
>
> Do you think it would be possible to replace jmol by jsmol in sage?
> or keep both and choose which on to use?
>
This is already possible! In the notebook - thanks to tons of work by
Jonathan and Volker. I don't know how that would work from command line
>
> For some time there has been a known issue that a number of
> components shipped with sage do not set up proper "install_name"
> for their libraries. libsingular is one such library.
>
>
R as well?
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> So maybe we should have both current algorithm and Nauty.
In my own experience, the isomorphism test has *never* been either
slow nor the slowest part of my code.
If it was too slow for your usage then having new interfaces makes
sense, otherwise it would just be for the sake of collecting them
On Wed, 7 Oct 2015, Nathann Cohen wrote:
If Nauty proves much better than our current implementation then that is
what we will need: a fast way to call Nauty. And that means Cython.
I know nothing, but to cite Wikipedia: "There are several competing
practical algorithms for graph isomorphism,
> Cool. I'm up for doing that. So.. I need to bring nauty using cython and
> call the is_isomorphic function?
If Nauty proves much better than our current implementation then that
is what we will need: a fast way to call Nauty. And that means Cython.
This being said, writing a cython interface wi
On Tue, 6 Oct 2015, Dima Pasechnik wrote:
Wasn't there some email relatively recently where the author of nauty
said it was actually okay to use in Sage
Yes, there was. However his statement was very vague, it was not clear
what he really meant. I don't think that anybody ever asked for furth
Hi,
Le mardi 06 oct. 2015 à 16:28:57 (-0700), Dima Pasechnik a écrit :
>
> On Tuesday, 6 October 2015 06:18:43 UTC-7, Jeroen Demeyer wrote:
> >
> > On 2015-10-06 15:15, kcrisman wrote:
> > > Wasn't there some email relatively recently where the author of nauty
> > > said it was actually okay to
Cool. I'm up for doing that. So.. I need to bring nauty using cython and
call the is_isomorphic function?
On Wed, Oct 7, 2015, 05:00 Dima Pasechnik wrote:
>
>
> On Tuesday, 6 October 2015 13:35:00 UTC-7, Nathann Cohen wrote:
>>
>> Hello,
>>
>> > Hey, I've wanted to contribute to sage, and graphs
I now have a segfault
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component of Sage has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Sage will now terminate.
But I think libsingular may be the main point of failure thr
Hi all OS X sufferers,
I have been working about adding rpath from gcc but it
turns out it may not be the problem or possibly not the only
problem.
For some time there has been a known issue that a number of
components shipped with sage do not set up proper "install_name"
for their libraries. li
On Tuesday, 6 October 2015 13:35:00 UTC-7, Nathann Cohen wrote:
>
> Hello,
>
> > Hey, I've wanted to contribute to sage, and graphs and groups provided
> by sage is something I use quite often. So, I was wondering how I could
> help with the issue? If you'd be okay mentoring me, that'd be grea
On Tuesday, 6 October 2015 06:18:43 UTC-7, Jeroen Demeyer wrote:
>
> On 2015-10-06 15:15, kcrisman wrote:
> > Wasn't there some email relatively recently where the author of nauty
> > said it was actually okay to use in Sage
>
> Yes, there was. However his statement was very vague, it was not
Hello,
> Hey, I've wanted to contribute to sage, and graphs and groups provided by
> sage is something I use quite often. So, I was wondering how I could help
> with the issue? If you'd be okay mentoring me, that'd be great :)
Well, a first step would be to expose 'nauty' is is_isomorphic. A
fi
Hi Siddharth,
I won't be able to mentor you. If I were to go about doing this thoroughly,
I would look at the kinds of tests carried out in the literature on graph
isomorphism (specifically here: http://arxiv.org/pdf/1301.1493v1.pdf ) and
redo these (or very similar) tests with the listed algor
On Tue, Oct 6, 2015 at 11:34 AM, Alexander Tchekhovskoy
wrote:
> I find that the LaTeX editor at SageMath randomly applies some of the
> changes more than once, sometimes in weird ways. For instance, I type
>
> \usepackage{bm}
>
> and it stays for a while. But some time later, I get
>
> \usepacka
I find that the LaTeX editor at SageMath randomly applies some of the
changes more than once, sometimes in weird ways. For instance, I type
\usepackage{bm}
and it stays for a while. But some time later, I get
\usepackage{bm}
\usepackage{bm}
\usepackage{bm}
Or, even worse, I'd type,
{\rm d}
Thankyou for all that information. I'm sure I will have some more questions
once I have had a chance to chew through all of that.
On Tuesday, 6 October 2015 22:17:25 UTC+8, Travis Scrimshaw wrote:
>
> Something else to consider is that Sage has a preparser and that can come
> into play. To see w
Something else to consider is that Sage has a preparser and that can come
into play. To see what the preparser does to commands, you can do this:
sage: preparse("F = e*x")
'F = e*x'
sage: preparse("F(x) = e*x")
'__tmp__=var("x"); F = symbolic_expression(e*x).function(x)'
Best,
Travis
--
You r
Hey Tom,
Welcome! I'm actually surprised we don't have this functionality in Sage
(at least as a naive implementation)...
For the imports, I think you would be interested in the following:
sage: import_statements(e)
from sage.symbolic.constants import e
sage: import_statements(i)
from sage.sy
Le 06/10/2015 15:44, Jonathan a écrit :
> I believe the javascript version of Jmol, JSmol, actually uses a
> modified version of threejs for some of its 3D rendering. Thus it is
> also embedded in the Jmol/JSmol package.
>
> Jonathan
>
MMMhhh, interesting!
Do you think it would be possible to
I believe the javascript version of Jmol, JSmol, actually uses a modified
version of threejs for some of its 3D rendering. Thus it is also embedded
in the Jmol/JSmol package.
Jonathan
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Hi,
I have recently installed sage from source and am trying to implement
fourier transforms. I wrote a piece of sage code which does the job for
some function f.
var('t', 'k','x','a')
assume(a > 0, k > 0)
# Define the function that that we will transform
f = e^ - (a * abs(x))
# Apply the t
On 2015-10-06 15:15, kcrisman wrote:
Wasn't there some email relatively recently where the author of nauty
said it was actually okay to use in Sage
Yes, there was. However his statement was very vague, it was not clear
what he really meant. I don't think that anybody ever asked for further
cl
Wasn't there some email relatively recently where the author of nauty said
it was actually okay to use in Sage (e.g., he gave a separate license than
his usual one)?
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Hey Jeroen,
I think I've done what Simon is recommending at some point as well. Just
be sure to do it before doing Parent.__init__(...).
Best,
Travis
On Tuesday, October 6, 2015 at 7:49:39 AM UTC-5, Simon King wrote:
>
> Hi Jeroen,
>
> On 2015-10-06, Jeroen Demeyer >
> wrote:
> > Suppose
Hi Jeroen,
On 2015-10-06, Jeroen Demeyer wrote:
> Suppose I have some Parent class MyParent which can handle multiple
> element classes. The choice of element class depends on the arguments to
> __init__(). What is the recommended way to deal with this? Is it safe to
> do the following in Pare
Hi,
Suppose I have some Parent class MyParent which can handle multiple
element classes. The choice of element class depends on the arguments to
__init__(). What is the recommended way to deal with this? Is it safe to
do the following in Parent.__init__()?
self.element_class = MyChosenElemen
You may also want to read this blog post:
Fernando Perez, The IPython notebook: a historical retrospective, January
2012
http://blog.fperez.org/2012/01/ipython-notebook-historical.html
Sébastien
On Saturday, October 3, 2015 at 5:35:29 PM UTC+2, tdumont wrote:
>
> Hello,
>
> I am preparing a t
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