Dear Sage developers,
I am manipulating univariate fractions in A[t] where A is a ring (say
QQ[x1,...,xn]), and all the denominators factor nicely in many small
terms like (1-x1 t) * (1 - 2*x2*t - (x3*x4) t^4) * ... I need to do
ring operations (products, sums, ...), and to have the resu
Dear Mike, dear Henryk,
What's the status of the merge of your implementations of power
series? I need a couple functionalities not yet in Mike's
implementation, and mainly:
- conversion from a polynomial
- division
On Thu, Oct 30, 2008 at 06:29:35AM -0700, Henryk Trappmann wrote:
> On
OK, I have a better, but still imperfect, idea of what is happening.
Discussion below is now at
http://trac.sagemath.org/sage_trac/ticket/5459
(I'm cross-posting the contnuation of this thread from sage-support to
sage-devel).
There is a notebook configuration item indexed by 'save_interval'.
Th
On 03/09/09 03:01, Ondrej Certik wrote:
>>
>>
>> and it seems to work with my setup. I am using freewrl
>> http://freewrl.sourceforge.net/ on Ubuntu 8.04.
>
> I just tried that too and it works for me as well:
>
> http://nb.hpfem.org/home/pub/15/
>
> and clearly I could now create some nice 3d
I have been working on a Sage package for the Abelian Sandpile Model:
http://people.reed.edu/~davidp/412/
and I have a student that would love to work with me this summer to
really polish it up. (A preliminary version of a sandpile applet he
wrote is at www.reed.edu/~headb/sandpiles.) It might
Using an example from the Sage documentation, I have
R. = ProjectiveSpace(GF(2),2)
f = x^3*y + y^3*z + x*z^3
C = Curve(f)
pts = C.rational_points()
(Note: pts = [(0 : 0 : 1), (0 : 1 : 0), (1 : 0 : 0)])
D = C.divisor([ (4, pts[0]), (0,pts[1]), (4, pts[2]) ])
C.riemann_roch_basis(D)
Output: [x/y
1. If you were to use Maxima directly, you could probably teach it, by
pattern matching, or other techniques, to do some set of cosine
transforms. This would probably be far more economical of your time,
and would give you interesting insights into how a very powerful
symbolic mathematical manipul
On Mar 7, 11:27 am, Robert Dodier wrote:
> clintonbowen wrote:
> > I tried some Cosine Transforms found in the book 'Handbook of Integral
> > Equations' by Andrei D. Polyanin and
> > Alexander V. Manzhirov into sage and I found that sage was not able to
> > perform these integrals.
>
> For the
>
> +10
>
> This is why I copied the notebook section as an example from the list
> for 2008. Even though I would expect Google to be interested in funding
> open source implementations of maths, I think it would be better if we
> focus on the computer science/engineering side of things.
>
> I
On Sun, Mar 8, 2009 at 11:03 AM, Prabhu Ramachandran
wrote:
>
> Hi Carl,
>
> On 03/08/09 22:31, Carl Witty wrote:
>> If you want to add such support, the place to look is
>> sage/server/notebook/cell.py, in the function files_html. This
>> function takes a list of all the files that were produce
PS The Magma documentation is all available on line and explains this
with examples. Try this:
http://magma.maths.usyd.edu.au/magma/htmlhelp/text1288.htm
John
2009/3/8 John Cremona :
> You do this:
>
>> P3:=pts[3];
>> P5:=pts[5];
>> P6:=pts[6];
>> D:=Place(P3)+Place(P5)+Place(P6);
>> D;
> Divis
You do this:
> P3:=pts[3];
> P5:=pts[5];
> P6:=pts[6];
> D:=Place(P3)+Place(P5)+Place(P6);
> D;
Divisor 1*Place at (1 : 2 : 1) + 1*Place at (0 : 4 : 1) + 1*Place at (4 : 1 : 0)
> RiemannRochSpace(D);
KModule of dimension 1 over GF(5)
Mapping from: KModule of dimension 1 over GF(5) to Function Fie
On Sun, Mar 08, 2009 at 09:32:05PM +0100, Nicolas Thiéry wrote:
> > sage: SetPartitions
> > SetPartitions SetPartitionsIk SetPartitionsRk
> > SetPartitionsAk SetPartitionsPRk SetPartitionsSk
> > SetPartitionsBk SetPartitionsPk SetPartitionsTk
>
> Yes, as you suggest below, this indee
I'd like to stay on-topic, but at the same time I'd like to ask you if
it's any interest for us (SAGE users) the Poor Man's integration in
SymPy:
http://code.google.com/p/sympy/issues/detail?id=463
[ I'm referring to this, since this integration formula seems to be
one of the most important goal
Hi!
Browsing back through my old e-mail, I just wanted to add a couple
notes.
On Tue, Dec 02, 2008 at 01:22:30AM -0800, Craig Citro wrote:
>
> > That said, I'm not for some massive reorganization of
> > the current global namespace, since that wold break a huge amount of
> > existing co
I'm currently reading through Hess' paper on calculating bases for
Riemann-Roch spaces (http://linkinghub.elsevier.com/retrieve/pii/
S0747717101905139), hoping to be able to implement it for Sage. I'd
like to be able to learn how to compute a basis in Magma so that I'll
be able to check my results
Hello,
I was able to reproduce this in Sage 3.3
var('a b c')
first = a + b + c
first._operands[0]._operands[0] is a
True
second = loads(dumps(first))
second._operands[0]._operands[0] is a
False
Should anyone open a bug in trac? I am not sure of how to do that and
which function to address th
On Sun, Mar 8, 2009 at 8:05 AM, David Harvey wrote:
>
> Hi,
>
> I had the same problem a month or two ago with sage 3.1.2 (?) but
> didn't report it.
>
> I had the same problem just now with sage 3.3. I tried fixing the NTL
> build by removing the -p options but then the build failed for
> whatev
On 03/08/09 19:19, William Stein wrote:
>> 3D interactivity. Here are a few simple examples from Ondrej's site
>> that I made from some mlab examples:
>>
>> http://nb.hpfem.org/home/pub/16
>
> Awesome!!
Thanks, yes, the sage notebook is awesome!
>> Another option would be to produce output su
Hi Carl,
On 03/08/09 22:31, Carl Witty wrote:
> If you want to add such support, the place to look is
> sage/server/notebook/cell.py, in the function files_html. This
> function takes a list of all the files that were produced by
> evaluating the cell, and produces HTML with display or download
On Sun, Mar 8, 2009 at 3:36 AM, Prabhu Ramachandran
wrote:
>
> Dear Sage developers,
>
> Is it possible to view an x3d file from a sage worksheet (assuming my
> browser has the necessary plugin or java support for example)? I saw
> numerous mentions of x3d support in the source code in plot/plot3
Hi,
On Sun, 8 Mar 2009 16:08:22 +0100
Burcin Erocal wrote:
> We should still prepare the application ASAP, of course. :)
>
> Please submit ideas to the wiki page:
>
> http://wiki.sagemath.org/gsoc09
>
>
> I'll also start a wiki page for the questions we need to address as a
> part of the ap
Hi William,
On Sun, 8 Mar 2009 06:46:17 -0700
William Stein wrote:
>
> On Sun, Mar 8, 2009 at 4:50 AM, Burcin Erocal
> wrote:
> >
> > Hi,
> >
> > Are we doing anything for the Google Summer of Code this year?
>
> I hope so. Note that I'm personally not going to fill out a mentor
> organizat
Hi,
I had the same problem a month or two ago with sage 3.1.2 (?) but
didn't report it.
I had the same problem just now with sage 3.3. I tried fixing the NTL
build by removing the -p options but then the build failed for
whatever came next (eclib I believe).
Then I found this thread and realise
On Sun, 8 Mar 2009 06:52:17 -0700 (PDT)
Harald Schilly wrote:
>
> On Mar 8, 12:50 pm, Burcin Erocal wrote:
> > Are we doing anything for the Google Summer of Code this year?
>
> I hope - from the experience in the past - the main focus is on non-
> maths related tasks, that are "easy" and com
On Mar 8, 12:50 pm, Burcin Erocal wrote:
> Are we doing anything for the Google Summer of Code this year?
I hope - from the experience in the past - the main focus is on non-
maths related tasks, that are "easy" and comprehensible from a
software engineering standpoint. i.e. authentication with
On Sun, Mar 8, 2009 at 4:36 AM, Prabhu Ramachandran
wrote:
>
> Dear Sage developers,
>
> Is it possible to view an x3d file from a sage worksheet (assuming my
> browser has the necessary plugin or java support for example)?
No, but as you've basically observed below such support would likely
be
On Sun, Mar 8, 2009 at 4:50 AM, Burcin Erocal wrote:
>
> Hi,
>
> Are we doing anything for the Google Summer of Code this year?
I hope so. Note that I'm personally not going to fill out a mentor
organization application for Sage. If you or somebody else wants to,
volunteer now. After receivi
Hi,
Are we doing anything for the Google Summer of Code this year?
The applications for mentoring organizations open tomorrow (March 9),
and end on Friday (March 13). The timeline is here:
http://code.google.com/opensource/gsoc/2009/faqs.html#0_1_timeline_5354032302481437_
I started a wiki pa
Dear Sage developers,
Is it possible to view an x3d file from a sage worksheet (assuming my
browser has the necessary plugin or java support for example)? I saw
numerous mentions of x3d support in the source code in plot/plot3d. For
example if one generates a 'foo.png', the image is immediate
30 matches
Mail list logo
