Hi There,
In case someone tried to reach me in particular concerning the French
PEPS cnrs combinat projet. Here is an excerpt of the front web page of the
university (see http://www.univ-rouen.fr/)
Le serveur de mails rencontre actuellement des perturbations. Bien que le
Hi!
Peter Tingley asked me the following question:
In a completely unrelated question, do you know how well modular
representation theory
of S_n is implemented in sage? There is a project afoot here to get high school
students
to work with researchers, which it seems will mostly consist of
Anne Schilling a...@math.ucdavis.edu writes:
Peter Tingley asked me the following question:
In a completely unrelated question, do you know how well modular
representation theory of S_n is implemented in sage?
Peter Webb has some software for GAP that could either be used via GAP
or
On 01/29/10 01:08 AM, Alex Ghitza wrote:
On Thu, 28 Jan 2010 15:52:23 -0800 (PST), Sebastian Pancratzs...@pancratz.org
wrote:
After reviving the work from last September/ October with some
significant help of Mike Hansen at Sage Days 19 a week ago, we finally
had a version of the patch that
I just ran across a MathOverflow
threadhttp://mathoverflow.net/questions/55674/greatest-common-divisor-of-algebraic-integersdiscussing
gcds of algebraic integers living in rings with class number
bigger than 1. We may not have the tools in Sage to implement it yet, but
if someone's interested in
On Fri, Jan 28, 2011 at 12:47 AM, Jeroen Demeyer jdeme...@cage.ugent.be wrote:
Hello,
Let me propose that the patchbot would *only* look at the ticket
description and not comments to check for spkgs, patches, dependencies
and so on. I can see two major advantages:
1) People will be forced
On Wed, Feb 9, 2011 at 10:46 PM, daly d...@axiom-developer.org wrote:
On Wed, 2011-02-09 at 22:18 -0800, rjf wrote:
You say,
gcd(2/1,4) returns 1 for simplicity (!), because 2/1 is a rational.
This is shockingly silly.
I don't know exactly how this came up, but if 2/1 is in a different
I think the reason mathematica programming doesn't return many
results is because it is not usually perceived as a programming
language per se, rather a mathematics software. Because of this, I
think Mathematica (and MATLAB, or any specific-use programming
languages) statistics are bound to be
MATLAB isn't a tool used outside of academia very often.
Its licensing makes it hard to redistribute code (like to a third party),
or even run it on a couple different workstations in a HPC sense. Its a
great tool for quick and dirty analyses, but overall its a terribly
crafted language for
Well, I'd like to dig the root of the problem ;). So I'm listing the
pertinent code.
Also if you see performance improvement possible optimization to my
code, they are very welcome, as this
thing is rather slow.
Abstract: Requirement was to build a pseudo random bit generator using
linear
Or: Do you know your left from your right?
Or: Not for those with dyslexic tendencies [Ed. e.g. me]
sage: A = matrix(QQ,[[1,2],[3,4]])
sage: A.solve_left(vector(QQ,[1,1]))
(-1/2, 1/2)
sage: A.solve_right(vector(QQ,[1,1]))
(-1, 1)
sage: B = matrix(RDF,[[1,2],[3,4]])
sage:
Google groups long lines wrapping breaks my code. Check this text
version if you don't want to bother refactoring it:
http://dl.dropbox.com/u/176092/comparison_test.sage
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Simon,
Thank-you very much for the heads-up. I'll have a look.
I have also rediscovered Sage's Field of Algebraic Integers, which
is scratching some of my itch. As it has roots of polynomial
equations over the rationals (and thus square roots), I can teach some
of the more numerical topics
On Feb 16, 3:05 pm, Nathan Dunfield nat...@dunfield.info wrote:
I think this would be a great addition to Sage, and here's one related
Trac ticket that this would close:
http://trac.sagemath.org/sage_trac/ticket/3162
Nathan,
Thanks for the suggestion. I've unraveled some of the code for
On Wed, Feb 16, 2011 at 5:53 AM, Maxim maxim.courno...@gmail.com wrote:
It would sometimes see a '1' Integer not being the same as a
'1' numpy.int32 value.
This behaviour _cannot_ be reproduced with a minimal example such as:
import numpy
if numpy.int32(1) !=
On Feb 17, 4:49 pm, Matt Goodman meawo...@gmail.com wrote:
MATLAB isn't a tool used outside of academia very often.
I think you are wrong here. I don't have any data to point to though.
Do you have any data on this?
Its licensing makes it hard to redistribute code (like to a third party),
An interesting article about computational science programming:
http://www.nature.com/news/2010/101013/full/467775a.html?ref=nf
Tim Daly
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