Martin Rubey martin.ru...@math.uni-hannover.de writes:
Nicolas M. Thiery nicolas.thi...@u-psud.fr writes:
actually, this would be my dream, too! (I think I proposed something
like this on fricas-devel already, but I don't remember well.)
:-) Please provide a pointer if you find
For the record, my ring is currently S[t], where S is the ring of
symmetric functions in the e basis. You probably are not that
surprised about that :-)
Is it easy to factor such polynomials? How do you do it?
Well, it's a free algebra, so you could always coerce to
QQ['e1,e2,...,],
On Mon, Mar 9, 2009 at 4:32 PM, John H Palmieri jhpalmier...@gmail.com wrote:
It seems like specifying a function for plotting or differentiation is
a common point of confusion. For example, see these threads (and I
know there have been others):
Is anybody interested in looking at this?
Thank you very much
On 8 Mar, 20:14, Maurizio maurizio.gran...@gmail.com wrote:
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))
Very nice. This something I always found confusing. One thing is not
clear to me:
why is sin not a callable symbolic expression by default? Is there a
coneptional
reason for this, or is it performance related?
On Mar 10, 8:07 am, William Stein wst...@gmail.com wrote:
On Mon, Mar 9, 2009 at 4:32
On Tue, Mar 10, 2009 at 1:57 AM, Maurizio maurizio.gran...@gmail.com wrote:
Is anybody interested in looking at this?
There is no problem with loads/dumps -- it is something specific to
the SymbolicVariable class. In any case, I put a patch up at
http://trac.sagemath.org/sage_trac/ticket/5466
Did anyone every respond to that e-mail by Christina Rudloff?
--
name: Martin Albrecht
_pgp: http://pgp.mit.edu:11371/pks/lookup?op=getsearch=0x8EF0DC99
_otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF
_www: http://www.informatik.uni-bremen.de/~malb
_jab: martinralbre...@jabber.ccc.de
Martin Albrecht wrote:
Did anyone every respond to that e-mail by Christina Rudloff?
I didn't get the email, so maybe they weren't just working
alphabetically down the developer list or maybe they stopped before they
got to G. If no one responded and has already taken up the project, I
On Tuesday 10 March 2009, Jason Grout wrote:
Martin Albrecht wrote:
Did anyone every respond to that e-mail by Christina Rudloff?
I didn't get the email, so maybe they weren't just working
alphabetically down the developer list or maybe they stopped before they
got to G. If no one
Martin Albrecht wrote:
On Tuesday 10 March 2009, Jason Grout wrote:
Martin Albrecht wrote:
Did anyone every respond to that e-mail by Christina Rudloff?
I didn't get the email, so maybe they weren't just working
alphabetically down the developer list or maybe they stopped before they
got to
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/plot3d. For
example if one generates a
On Tue, Mar 10, 2009 at 6:26 AM, Jason Grout
jason-s...@creativetrax.com wrote:
Martin Albrecht wrote:
Did anyone every respond to that e-mail by Christina Rudloff?
I didn't get the email, so maybe they weren't just working
alphabetically down the developer list or maybe they stopped
That doen't sound complete...
Here are some , and the following are some notes from it:
see...
http://www.sagemath.org/doc/prog/node21.html
http://sage.math.washington.edu/home/mhansen/sage/devel/sage/doc/output/html/en/developer/coding_in_python.html#sage-preparsing
Ralf
If I would like to write an extension (a function for example) for
sage, using for example C++ and cython, how can I excange data between
my own function and sage ?
What data types I have to know ?
How can I handle symbolic objects (with their parse threes), and
numerical data structures ?
How
Can somebody give me a convincing reason why I see True in the following
session?
sage: z = ZZ(2)
sage: parent(z)
Integer Ring
sage: q = Mod(2, 7)
sage: parent(q)
Ring of integers modulo 7
sage: z == q
True
This is related to...
Here is my talk (which i just gave):
http://wstein.org/talks/20090310-msri-sd14/
Materials from other talks will appear linked from here:
http://wiki.sagemath.org/days14
EVerything is being professionally videod by MSRI.
--
William Stein
Associate Professor of Mathematics
University
Is there a good reason why cloning should not copy the 'output'
directory in sage/doc? I can think of lots of good reasons why it
*should* be copied...
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To post to this group, send email to sage-devel@googlegroups.com
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For the same reason that
sage: z = ZZ(2)
sage: parent(z)
Integer Ring
sage: q = QQ(2)
sage: parent(q)
Rational Field
sage: z == q
True
sage: p = ZZ['x'](2)
sage: p == z
True
On Mar 10, 2009, at 11:23 AM, Ralf Hemmecke wrote:
Can somebody give me a convincing reason why I see True in the
And the reason is...?
Ralf
On 03/10/2009 07:34 PM, Robert Bradshaw wrote:
For the same reason that
sage: z = ZZ(2)
sage: parent(z)
Integer Ring
sage: q = QQ(2)
sage: parent(q)
Rational Field
sage: z == q
True
sage: p = ZZ['x'](2)
sage: p == z
True
On Mar 10, 2009, at 11:23
On Mar 10, 11:33 am, John H Palmieri jhpalmier...@gmail.com wrote:
Is there a good reason why cloning should not copy the 'output'
directory in sage/doc? I can think of lots of good reasons why it
*should* be copied...
It is a bug. Please open a ticket.
There was some discussion about this
On Mar 10, 2009, at 11:36 AM, Ralf Hemmecke wrote:
And the reason is...?
Because it's really inconvenient to always have to manually cast to
the same parent. Imagine I have a loop.
while a 1:
[do stuff to a to make it smaller]
Would this fail if a was not an integer. What if it
On Mar 10, 11:41 am, mabshoff mabsh...@googlemail.com wrote:
On Mar 10, 11:33 am, John H Palmieri jhpalmier...@gmail.com wrote:
Is there a good reason why cloning should not copy the 'output'
directory in sage/doc? I can think of lots of good reasons why it
*should* be copied...
It is a
Hi,
the notions parent and element are programmer's notions rather
than mathematical ones. They are natural if you look through the
object-oriented glasses.
Mathematically, one could build everything purely out of set-theory,
and would have sets, power-sets, power-power-sets and their power-
I have just released FLINT version 1.2.0. It is available at
http://www.flintlib.org/
This is a major new version, including the new features:
* Incorporation of David Harvey's zn_poly-0.8 (it is now used to speed
up the zmod_poly module - users should notice a significant speed
increase for
On 10 Mrz., 09:57, Maurizio maurizio.gran...@gmail.com wrote:
Is anybody interested in looking at this?
Thank you very much
Hi,
it is now trac ticket #5471 --- any volunteers to work on it?
Cheers,
gsw
On 8 Mar, 20:14, Maurizio maurizio.gran...@gmail.com wrote:
Hello,
I was able
Ups,
soory Mike,
I was caught by the 25 messages cutoff and didn't see your post.
The ticket newly created by me is a double, of course :-(
Cheers,
gsw
On 10 Mrz., 21:14, Georg S. Weber georgswe...@googlemail.com
wrote:
On 10 Mrz., 09:57, Maurizio maurizio.gran...@gmail.com wrote:
Is
Hi,
trac ticket #5466 now has a positive review.
Cheers,
gsw
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On Mar 10, 9:37 am, Ralf Hemmecke r...@hemmecke.de wrote:
That doen't sound complete...
Here are some , and the following are some notes from it:
see...
http://www.sagemath.org/doc/prog/node21.html
http://sage.math.washington.edu/home/mhansen/sage/devel/sage/doc/outp...
Ralf
Thanks.
Hi,
On 10 Mrz., 18:26, alex alessandro.bernardini.1...@gmail.com wrote:
If I would like to write an extension (a function for example) for
sage, using for example C++ and cython, how can I excange data between
my own function and sage ?
Between C++ and Cython, there is no Sage interface ---
this is really meaningful to me, and a very positive feedback from
this wonderful community
thanks!
On 10 Mar, 21:24, Georg S. Weber georgswe...@googlemail.com wrote:
Hi,
trac ticket #5466 now has a positive review.
Cheers,
gsw
--~--~-~--~~~---~--~~
To post
On Mar 6, 9:52 am, Nicolas M. Thiery nicolas.thi...@u-psud.fr
wrote:
On Fri, Mar 06, 2009 at 05:42:17PM +0100, Florent Hivert wrote:
I've been stuck an entire day on a problem which may hits you. So I'm
putting
it there if someone get against it. The problem is the following:
Some
Because it's really inconvenient to always have to manually cast to
the same parent. Imagine I have a loop.
while a 1:
[do stuff to a to make it smaller]
Would this fail if a was not an integer. What if it started out as an
integer but then I divided it by something and it
On Mar 4, 11:13 am, Jonathan Hanke jonha...@gmail.com wrote:
Hi,
Hi John,
I'm getting a strange error message in the library that I'm having trouble
reproducing at the prompt for determinants over GF(2). The full commands to
create the message are below, using the sage in
In each case below I and J are defined by different choices of
generators and are recognized as the same ideal. In case 1 the
quotients are considered equal and in case 2 they are considered
unequal.
(I checked this with the latest version)
Case 1:
--
sage: R.x = PolynomialRing(QQ)
Dear Sage devels, dear Robert,
From #sage-devel:
--
00:54 hivert So one more day lost because of this #($%#^%$^*%#$ bug !!! I'm
heading to bed.
00:55 hivert I'm wondering when I'll manage to add something
Em Seg, 2009-03-09 às 11:11 -0700, Robert Bradshaw escreveu:
On Mar 9, 2009, at 10:52 AM, Ondrej Certik wrote:
On Mon, Mar 9, 2009 at 10:41 AM, Robert Bradshaw
rober...@math.washington.edu wrote:
On Mar 8, 2009, at 11:14 AM, Prabhu Ramachandran wrote:
On 03/08/09 19:19, William
On Tue, Mar 10, 2009 at 03:01:49PM -0700, mabshoff wrote:
On Mar 6, 9:52 am, Nicolas M. Thiery nicolas.thi...@u-psud.fr
wrote:
On Fri, Mar 06, 2009 at 05:42:17PM +0100, Florent Hivert wrote:
I've been stuck an entire day on a problem which may hits you. So I'm
putting
it there if
On Mar 10, 2009, at 4:49 PM, Nicolas M. Thiery wrote:
Because it's really inconvenient to always have to manually cast to
the same parent. Imagine I have a loop.
while a 1:
[do stuff to a to make it smaller]
Would this fail if a was not an integer. What if it started out as an
Dear Folks,
I am on an AMD64 PC running Kubuntu Intrepid 8.04 and KDE4.2. The Linux
kernel is 2.6.27-11-generic.
I downloaded the source package sagemath_3.0.5dfsg-2ubuntu1 from the
jaunty archives and tried compiling it, after having installed other
necessary packages and built them without
On Mar 10, 2009, at 5:38 PM, Nicolas M. Thiery wrote:
Dear Sage devels, dear Robert,
From #sage-devel:
--
00:54 hivert So one more day lost because of this #($%#^%$^*%#$
bug !!! I'm heading to bed.
On Tue, Mar 10, 2009 at 5:39 PM, Ronan Paixão ronanpai...@yahoo.com.br wrote:
Em Seg, 2009-03-09 às 11:11 -0700, Robert Bradshaw escreveu:
On Mar 9, 2009, at 10:52 AM, Ondrej Certik wrote:
On Mon, Mar 9, 2009 at 10:41 AM, Robert Bradshaw
rober...@math.washington.edu wrote:
On Mar 8,
I'm guessing your issue is too old m4ri. Try upgrading to libm4ri-dev
from jaunty.
-Tim Abbott
On Wed, 11 Mar 2009, R (Chandra) Chandrasekhar wrote:
Dear Folks,
I am on an AMD64 PC running Kubuntu Intrepid 8.04 and KDE4.2. The Linux
kernel is 2.6.27-11-generic.
I
On Tue, Mar 10, 2009 at 4:52 PM, critch crit...@gmail.com wrote:
In each case below I and J are defined by different choices of
generators and are recognized as the same ideal. In case 1 the
quotients are considered equal and in case 2 they are considered
unequal.
(I checked this with the
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