This is from a guy who was a student of Gross a few years ago. He
wants to know if anybody has any ideas about computing with reductive
groups in SAGE, etc.
-- Forwarded message --
From: Martin Weissman
Date: Jun 2, 2007 9:18 PM
Subject: Thanks for Sage, and a question/suggestion
Yeah, that's not quite what I was looking for since I'd like to be
able to keep the fast dense matrix multiplication within the blocks.
I'm not too familiar with the matrix codebase so I don't know how easy
it'd be to do. I was thinking of basically storing a list of blocks
as well as a list of t
I am implementing a sparse matrix class for real doubles (finite
precision real numbers.)
The storage format I am using is called compressed sparse column. This
is the standard format
used by all sparse matrix libraries as well as matlab
http://www.netlib.org/linalg/html_templates/node92.html
It
On Sat, 2 Jun 2007, William Stein wrote:
> I just created one:
>
> http://www.sagemath.org/pub.html
The above url states:
"... reference SAGE as follows:
SAGE Mathematics Software, Version 2.6, http://www.sagemath.org/";
whereas the following url gives different advice:
http://sagemath.o
Hello,
I just came across a dig post called "Top Open Source Mathematical
Programs" - see http://digg.com/software/Top_Open_Source_Mathematical_Programs
The post at http://math-blog.com/2007/06/02/3-awesome-free-math-programs/
mentions SAGE, but doesn't go into details :(
Cheers,
Michael
--~
Fixed. See attached patch.
On 6/2/07, Robert Miller <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> This is in sage-2.5.3
>
> sage: M = Matrix( GF(2), [[1,1,1,1,0,0,0,0,0,0]] )
> sage: save(M, 'dense')
> sage: load('dense')
> [1 1 1 1 0 0 0 0 0 0]
>
> sage: M = Matrix( GF(2), [[1,1,1,1,0,0,0,0,0,0]], spar
Hi,
This is in sage-2.5.3
sage: M = Matrix( GF(2), [[1,1,1,1,0,0,0,0,0,0]] )
sage: save(M, 'dense')
sage: load('dense')
[1 1 1 1 0 0 0 0 0 0]
sage: M = Matrix( GF(2), [[1,1,1,1,0,0,0,0,0,0]], sparse=True )
sage: save(M, 'sparse')
sage: load('sparse')
[0 0 0 0 0 0 0 0 0 0]
--~--~-~--~-
On 5/31/07, Nathan Dunfield <[EMAIL PROTECTED]> wrote:
> > What are you doing with SAGE lately?
> I've been using it in some work I've been doing with Dinakar ...
>
> Computationally, it's a hodgepodge of:
>
> Sage: general glue + linbox + polymake package (w/ JavaView for
> visualization)
> Magma
On 6/2/07, Nick Alexander <[EMAIL PROTECTED]> wrote:
> > You're right, this has not been implemented yet, in the sense that the
> > tests section will
> > still show up when the user types foo? and it will show up in the user
> > documentation.
>
> I volunteer to implement this, I need to revisit
"William Stein" <[EMAIL PROTECTED]> writes:
> On 6/2/07, Nick Alexander <[EMAIL PROTECTED]> wrote:
>>
>> > There is a TESTS section which is supposed to address this issue. It is
>> > hidden
>> > from the user (if not its a bug) and run by sage -t.
>>
>> I wasn't aware this was implemented, but
On 6/2/07, Nick Alexander <[EMAIL PROTECTED]> wrote:
>
> > There is a TESTS section which is supposed to address this issue. It is
> > hidden
> > from the user (if not its a bug) and run by sage -t.
>
> I wasn't aware this was implemented, but William and I discussed it at
> SD3 and agreed that a
> There is a TESTS section which is supposed to address this issue. It is
> hidden
> from the user (if not its a bug) and run by sage -t.
I wasn't aware this was implemented, but William and I discussed it at
SD3 and agreed that a TESTS: heading would be useful.
Nick
--~--~-~--~~-
Thanks!
However
I have the sage programming manual on my desk (March 6, 2007) and
there is no mention of a
TESTS section. The official sections are
(description: anonymous)
INPUT
OUTPUT
EXAMPLES
NOTES
AUTHORS
See p6.
If a TESTS section exists then it should probably be mentionned in
this
On Saturday 02 June 2007 14:59, David Harvey wrote:
> On Jun 2, 2007, at 8:44 AM, Michel wrote:
> > There is something I have not fully understood yet.
> > If I understand correctly doctests appears in the documentation as
> > "examples".
> > Now many doctests deal with obscure borderline cases (a
On Jun 2, 2007, at 8:44 AM, Michel wrote:
> There is something I have not fully understood yet.
> If I understand correctly doctests appears in the documentation as
> "examples".
> Now many doctests deal with obscure borderline cases (as regression
> tests) so they are uninteresting as examples.
There is something I have not fully understood yet.
If I understand correctly doctests appears in the documentation as
"examples".
Now many doctests deal with obscure borderline cases (as regression
tests) so they are uninteresting as examples. Is there a way to hide
such doctests from the documen
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