On Thu, Aug 28, 2008 at 5:57 AM, Minh Nguyen [EMAIL PROTECTED] wrote:
In the Introduction section at the URL
http://wiki.sagemath.org/graph_survey
there appears to be a link to a benchmark of Sage's graph theory
project. The specific link is
On Aug 27, 11:12 pm, Minh Nguyen [EMAIL PROTECTED] wrote:
SNIP
Hi Minh,
I'm assuming that the correct benchmark URL is
http://www.sagemath.org:9001/graph_benchmark
Is this correct?
Yes, at some point the wiki moved to its own domain and then the
domain was moved to a different host.
Hi Michael,
On Thu, Aug 28, 2008 at 6:24 AM, mabshoff [EMAIL PROTECTED] wrote:
[...]
Yes, at some point the wiki moved to its own domain and then the
domain was moved to a different host. All sage.math:9001 urls should
now point to www.sagemath.org or even better wiki.sagemath.org.
So you're
On Aug 27, 11:35 pm, Minh Nguyen [EMAIL PROTECTED] wrote:
Hi Michael,
On Thu, Aug 28, 2008 at 6:24 AM, mabshoff [EMAIL PROTECTED] wrote:
[...]
Yes, at some point the wiki moved to its own domain and then the
domain was moved to a different host. All sage.math:9001 urls should
now
Hi Michael,
On Thu, Aug 28, 2008 at 6:44 AM, mabshoff [EMAIL PROTECTED] wrote:
[...]
Not exactly:
http://wiki.sagemath.org/graph_benchmark
is an equivalent to
http://www.sagemath.org:9001/graph_benchmark
since wiki.sagemath.org is a virtual host. Should we ever change the
port of the
Hi group,
I've went through (hopefully) all of the links at
http://wiki.sagemath.org/graph_survey
and have found that some links on that wiki page are out of date.
Below are the specific links that returned something like file not
found etc. Each underlined name is a section name describing
On Thu, Aug 28, 2008 at 8:10 AM, Minh Nguyen [EMAIL PROTECTED] wrote:
[..]
nv2d
link -- http://web.mit.edu/bshi/Public/nv2d/
file not found
new URL: http://ostatic.com/110007-software-opensource/nv2d
GTL
---
Graphlet -- http://ceu.fi.udc.es/SAL/E/2/GRAPHLET.html
Not Found
new
I am not sure if this is the appropriate place to ask this question,
but I'll do it anyway:
Why is var._fast_float_(const) so much slower than
fast_float(var,'const')?
Example without giving the long definition of the variable 'long':
%time
longfast=long.subs(locals())._fast_float_(av)
gives:
On Thu, Aug 28, 2008 at 1:39 AM, Minh Nguyen [EMAIL PROTECTED] wrote:
Hi group,
At the URL
http://wiki.sagemath.org/Teaching_with_SAGE
the first dot point _appears_ to give a link to David Kohel's notes on
cryptography. The link is
http://www.sagemath.org/pub/crypto.pdf
This link is
On Wed, Aug 27, 2008 at 8:42 AM, mabshoff [EMAIL PROTECTED] wrote:
Hello folks,
alpha1 is finally out. I don't think alpha0 was ever announced here,
so I am posting both logs. We merged loads of patches, but especially
plotting improvements. Besides that we finally upgraded numpy and
On Wed, Aug 27, 2008 at 11:49 PM, Arnaud Bergeron [EMAIL PROTECTED] wrote:
There is a strong possibility that for the next semester I will be
working on the graphics area of sage. I would working more on the
visible side than the innards but that does not mean I will not touch
the innards
Hi John,
Thanks a lot for your help.
John Cremona wrote:
If you want to do mathematical operations such as scalar
multiplcation, convert to a vector.
(You could also do [2*i for i in range(3)], but I don't think you like
that construction.)
Could you give an example of how to convert a
Could you give an example of how to convert a list (e.g. [1,2,3,4]) to a
vector (e.g. (1,2,3,4) and back again? That would help me a lot.
sage: l = [1,2,3,4]
sage: v = vector(ZZ,l); v
(1, 2, 3, 4)
sage: list(v) # list of ZZs
[1, 2, 3, 4]
sage: map(int, list(v)) # list of ints
[1, 2, 3, 4]
On Thu, Aug 28, 2008 at 1:33 PM, David Joyner [EMAIL PROTECTED] wrote:
On Wed, Aug 27, 2008 at 8:42 AM, mabshoff [EMAIL PROTECTED] wrote:
Hello folks,
alpha1 is finally out. I don't think alpha0 was ever announced here,
so I am posting both logs. We merged loads of patches, but especially
On Aug 28, 4:59 am, Ondrej Certik [EMAIL PROTECTED] wrote:
On Thu, Aug 28, 2008 at 1:33 PM, David Joyner [EMAIL PROTECTED] wrote:
SNIP
Hi,
--
The following tests failed:
sage -t
There are a number of things I am sort of working on but I lack the
time to do them in the near future.
1) Better triangulations for many-vertex faces. You either have to
work around the current behavior of indexed_face_set or change it. I
have been trying to do the former in polyhedra.py,
Trying:
G.show(frame_aspect_ratio=[Integer(1),Integer(1),Integer(1)/Integer(2)])###
line
893:_sage_ G.show(frame_aspect_ratio=[1,1,1/2])
Expecting nothing
after maybe a minute. Imho 1 minute for one test is way too much.
buhu :) - there are more than enough tests that take
Since no one has emailed intelligent comments yet, I'll add my own
not-so-intelligent but hopefully encouraging ones below:-)
On Wed, Aug 27, 2008 at 3:18 PM, John Cremona [EMAIL PROTECTED] wrote:
Currently in Sage, AbelianGroups are all multiplicative. There's a
TODO in abelian_groups.py
Hello folks,
fortunately the number of ticket with unreviewed patches has dropped
from 100+ to around 40 at the moment. But if you look at
http://trac.sagemath.org/sage_trac/report/10
there are still 41 open tickets with patches waiting for review. So if
you have some spare cycles to burn
On Aug 28, 5:17 am, Ondrej Certik [EMAIL PROTECTED] wrote:
Trying:
G.show(frame_aspect_ratio=[Integer(1),Integer(1),Integer(1)/Integer(2)])###
line
893:_sage_ G.show(frame_aspect_ratio=[1,1,1/2])
Expecting nothing
after maybe a minute. Imho 1 minute for one test is way
On Thu, Aug 28, 2008 at 2:53 PM, mabshoff [EMAIL PROTECTED] wrote:
On Aug 28, 5:17 am, Ondrej Certik [EMAIL PROTECTED] wrote:
Trying:
G.show(frame_aspect_ratio=[Integer(1),Integer(1),Integer(1)/Integer(2)])###
line
893:_sage_ G.show(frame_aspect_ratio=[1,1,1/2])
On Wed, Aug 27, 2008 at 10:22 PM, mabshoff [EMAIL PROTECTED] wrote:
On Aug 27, 8:57 am, John Cremona [EMAIL PROTECTED] wrote:
Two build reports. Both built fine, but a few doctest failures:
Hi John,
1. Linux version 2.6.24-19-generic ([EMAIL PROTECTED]) (gcc version
4.2.3 (Ubuntu
On Thu, Aug 28, 2008 at 9:20 AM, John Cremona [EMAIL PROTECTED] wrote:
Thanks for your comments, David. I am having some success:
sage: A = AbelianGroup([2,3])
sage: A.list()
[1, f1, f1^2, f0, f0*f1, f0*f1^2]
sage: A = AbelianGroup([2,3],operation='+')
sage: A.list()
[0, f1, 2*f1, f0,
On Thu, Aug 28, 2008 at 5:06 AM, mhampton [EMAIL PROTECTED] wrote:
There are a number of things I am sort of working on but I lack the
time to do them in the near future.
1) Better triangulations for many-vertex faces. You either have to
work around the current behavior of indexed_face_set
That's great, thanks a lot!
Stan
Martin Albrecht wrote:
Could you give an example of how to convert a list (e.g. [1,2,3,4]) to a
vector (e.g. (1,2,3,4) and back again? That would help me a lot.
sage: l = [1,2,3,4]
sage: v = vector(ZZ,l); v
(1, 2, 3, 4)
sage: list(v) # list of ZZs
My students are finding this very useful. Thank you Alfredo!
On Sat, Aug 23, 2008 at 12:25 AM, Alfredo Portes [EMAIL PROTECTED] wrote:
Here is a LiveCD (Ubuntu based) of 3.1.1, if anybody
wants to try it. A vmware image that runs the livecd
is included.
Thanks for the suggestion. But it does not work for me. Even though
b.__rmul__(2) works , as do b.__mul__(2) and b.__lmul__(2) and b*2,
2*b still gives the error: non of my own mul functions are getting
seen, it goes straight for the default which fails.
I just discovered that int(2)*b does
2008/8/28 William Stein [EMAIL PROTECTED]:
On Thu, Aug 28, 2008 at 5:06 AM, mhampton [EMAIL PROTECTED] wrote:
There are a number of things I am sort of working on but I lack the
time to do them in the near future.
1) Better triangulations for many-vertex faces. You either have to
work
On Thu, Aug 28, 2008 at 8:01 AM, Arnaud Bergeron [EMAIL PROTECTED] wrote:
2008/8/28 William Stein [EMAIL PROTECTED]:
On Thu, Aug 28, 2008 at 5:06 AM, mhampton [EMAIL PROTECTED] wrote:
There are a number of things I am sort of working on but I lack the
time to do them in the near future.
Another way to make animation for a web browser would be
to use javascript, though the timing might look jerky. Another
possibility is flash.
That would be for 2D animations right?
Yes, that's what I had in mind. It could also be used for 3d if
you generate a sequence of 3d png
On Aug 28, 8:45 am, William Stein [EMAIL PROTECTED] wrote:
1) Better triangulations for many-vertex faces. You either have to
work around the current behavior of indexed_face_set or change it. I
have been trying to do the former in polyhedra.py, since then it only
impacts things in
Thank you David for the feedback.
The LiveCD is open to many more customizations (including making
it smaller). So please, anything they think it should be changed, let
me know.
Are your students using the Vmware option also?
On Thu, Aug 28, 2008 at 10:05 AM, David Joyner [EMAIL PROTECTED]
John Cremona wrote:
Thanks for the suggestion. But it does not work for me. Even though
b.__rmul__(2) works , as do b.__mul__(2) and b.__lmul__(2) and b*2,
2*b still gives the error: non of my own mul functions are getting
seen, it goes straight for the default which fails.
I just
Arnaud Bergeron wrote:
There is a strong possibility that for the next semester I will be
working on the graphics area of sage. I would working more on the
visible side than the innards but that does not mean I will not touch
the innards if need be.
Currently I have these items that I
2008/8/28 Jason Grout [EMAIL PROTECTED]:
Arnaud Bergeron wrote:
There is a strong possibility that for the next semester I will be
working on the graphics area of sage. I would working more on the
visible side than the innards but that does not mean I will not touch
the innards if need be.
mabshoff wrote:
Hello folks,
alpha1 is finally out. I don't think alpha0 was ever announced here,
so I am posting both logs. We merged loads of patches, but especially
plotting improvements. Besides that we finally upgraded numpy and
matplotlib, so some things might be going wrong there. I
2008/8/28 mabshoff [EMAIL PROTECTED]:
Thanks for tracking this down. Please open a new ticket and attach the
patch to it.
We generally attempt to avoid reopening tickets or adding patches to
tickets that were closed in previous milestones since that makes
reconstructing the exact sequence
David Joyner wrote:
My students are finding this very useful. Thank you Alfredo!
I downloaded it to try it. It looks very nice. However, on my Thinkpad
A31, the numlock is activated and I can't deactivate it. This means
that I lose about half of the keyboard because the numeric keypad
Hi Jason,
On Thu, Aug 28, 2008 at 12:32 PM, Jason Grout
[EMAIL PROTECTED] wrote:
I downloaded it to try it. It looks very nice. However, on my Thinkpad
A31, the numlock is activated and I can't deactivate it. This means
that I lose about half of the keyboard because the numeric keypad is
Alfredo Portes wrote:
Thank you David for the feedback.
The LiveCD is open to many more customizations (including making
it smaller). So please, anything they think it should be changed, let
me know.
Another thing: when I'm not connected to the network, firefox starts in
offline mode.
On Aug 27, 2008, at 1:54 PM, David Ketcheson wrote:
Thanks for the nice fix. I've managed to break things in a new way:
sage: from sympy import Symbol
sage: x,y=Symbol('x',False),Symbol('y',False)
sage: 1/2+y*x
x*y + 1/2
sage: y*x+1/2
1/2 + y*x
The 'False' argument to Symbol here
On Aug 28, 2008, at 6:20 AM, John Cremona wrote:
Thanks for your comments, David. I am having some success:
sage: A = AbelianGroup([2,3])
sage: A.list()
[1, f1, f1^2, f0, f0*f1, f0*f1^2]
sage: A = AbelianGroup([2,3],operation='+')
sage: A.list()
[0, f1, 2*f1, f0, f0+f1, f0+2*f1]
On Aug 27, 2008, at 1:19 PM, Robert Bradshaw wrote:
On Wed, 27 Aug 2008, Craig Citro wrote:
Thoughts?
I vote for fast.
I also vote for fast -- but couldn't there be a flag for the slow
option? Maybe consistent=True or something, in case someone really
wants it? I could at least
On Thu, Aug 28, 2008 at 9:54 AM, Robert Bradshaw
[EMAIL PROTECTED] wrote:
On Aug 27, 2008, at 1:54 PM, David Ketcheson wrote:
Thanks for the nice fix. I've managed to break things in a new way:
sage: from sympy import Symbol
sage: x,y=Symbol('x',False),Symbol('y',False)
sage: 1/2+y*x
Alfredo Portes wrote:
Hi Jason,
On Thu, Aug 28, 2008 at 12:32 PM, Jason Grout
[EMAIL PROTECTED] wrote:
I downloaded it to try it. It looks very nice. However, on my Thinkpad
A31, the numlock is activated and I can't deactivate it. This means
that I lose about half of the keyboard
For now I have resorted to simply manipulating strings for what I
want, which is simply to be able to do symbolic algebra with matrices
and vectors. I may be interested in developing this functionality
myself for Sage. What is the plan for symbolic algebra in sage? Will
'var's eventually do
On Wed, Aug 27, 2008 at 10:54 PM, David Ketcheson [EMAIL PROTECTED] wrote:
Thanks for the nice fix. I've managed to break things in a new way:
sage: from sympy import Symbol
sage: x,y=Symbol('x',False),Symbol('y',False)
sage: 1/2+y*x
x*y + 1/2
sage: y*x+1/2
1/2 + y*x
The 'False'
2008/8/28 Robert Bradshaw [EMAIL PROTECTED]:
Maybe someone who understands coercion can tell me how to get
around this?
You need to implement _lmul_ and make sure the basering is Z.
I have implemented _lmul_ already, I don't know exactly what you mean
about the basering, but I tried
On Aug 28, 9:24 am, Arnaud Bergeron [EMAIL PROTECTED] wrote:
2008/8/28 mabshoff [EMAIL PROTECTED]:
Hi Arnaud,
Thanks for tracking this down. Please open a new ticket and attach the
patch to it.
We generally attempt to avoid reopening tickets or adding patches to
tickets that were
On Aug 28, 6:30 am, William Stein [EMAIL PROTECTED] wrote:
On Wed, Aug 27, 2008 at 10:22 PM, mabshoff [EMAIL PROTECTED] wrote:
SNIP
Yeah, the above looks odd. Maybe William can tell us what is happening
here.
I think the above is just numerical noise. The Viterbi algorithm
is an
On Aug 28, 8:17 am, mhampton [EMAIL PROTECTED] wrote:
On Aug 28, 8:45 am, William Stein [EMAIL PROTECTED] wrote:
Another way to make animation for a web browser would be
to use javascript, though the timing might look jerky. Another
possibility is flash.
I am very ignorant about flash
On Aug 28, 1:52 am, Stan Schymanski [EMAIL PROTECTED] wrote:
I am not sure if this is the appropriate place to ask this question,
but I'll do it anyway:
It would probably have been better to start a new thread in sage-
support.
Why is var._fast_float_(const) so much slower than
mabshoff wrote:
On Aug 28, 9:18 am, Jaap Spies [EMAIL PROTECTED] wrote:
Hi Jaap,
I guess sailing season this year is coming to an end :)
Not yet! I'll go on until the end of October. BUt there have been some problems
:-(
The engine broke down. For four weeks I'm waiting for the
got a rather weird one - os x 10.5.2 sage 3.1.1 (binary build) I am
trying to build boost (python) for this version on os x - so I can get
pycuda going against the OS X 2.0 cuda.
well the python (python-sage) seems not to handle the -c command
like regular python that is import fails with a
I've added my Python binding for nauty into Jason Grout's optional nauty
spkg. (Jason: I hope that's okay. Since the extension needs to include
nauty and link against it, it seems simplest to include it in one package.)
It can be downloaded at
Hi Carl,
On Aug 28, 10:15 pm, Carl Witty [EMAIL PROTECTED] wrote:
It would probably have been better to start a new thread in sage-
support.
OK, I will remember for the next time, thanks.
The difference I see between the fast and slow cases is whether av is
a string or a symbolic object.
On Thu, Aug 28, 2008 at 1:19 PM, Simon Beaumont [EMAIL PROTECTED] wrote:
got a rather weird one - os x 10.5.2 sage 3.1.1 (binary build) I am
trying to build boost (python) for this version on os x - so I can get
pycuda going against the OS X 2.0 cuda.
well the python (python-sage) seems not
Stephen Hartke wrote:
I've added my Python binding for nauty into Jason Grout's optional nauty
spkg. (Jason: I hope that's okay. Since the extension needs to include
nauty and link against it, it seems simplest to include it in one
package.) It can be downloaded at
On Aug 28, 2:32 pm, William Stein [EMAIL PROTECTED] wrote:
On Thu, Aug 28, 2008 at 1:19 PM, Simon Beaumont [EMAIL PROTECTED] wrote:
Hi,
got a rather weird one - os x 10.5.2 sage 3.1.1 (binary build) I am
trying to build boost (python) for this version on os x - so I can get
pycuda
On Aug 28, 1:18 pm, Jaap Spies [EMAIL PROTECTED] wrote:
mabshoff wrote:
On Aug 28, 9:18 am, Jaap Spies [EMAIL PROTECTED] wrote:
Hi Jaap,
I guess sailing season this year is coming to an end :)
Not yet! I'll go on until the end of October. BUt there have been some
problems :-(
The
On Aug 28, 1:20 pm, Stephen Hartke [EMAIL PROTECTED] wrote:
Hi Stephen,
I've added my Python binding for nauty into Jason Grout's optional nauty
spkg. (Jason: I hope that's okay. Since the extension needs to include
nauty and link against it, it seems simplest to include it in one package.)
On Aug 28, 2:54 pm, Jason Grout [EMAIL PROTECTED] wrote:
Hi,
Stephen Hartke wrote:
I've added my Python binding for nauty into Jason Grout's optional nauty
spkg. (Jason: I hope that's okay. Since the extension needs to include
nauty and link against it, it seems simplest to include it
On Thu, Aug 28, 2008 at 11:58 PM, mabshoff [EMAIL PROTECTED] wrote:
On Aug 28, 1:18 pm, Jaap Spies [EMAIL PROTECTED] wrote:
mabshoff wrote:
On Aug 28, 9:18 am, Jaap Spies [EMAIL PROTECTED] wrote:
Hi Jaap,
I guess sailing season this year is coming to an end :)
Not yet! I'll go on
On 29/08/2008, at 7:56 AM, mabshoff wrote:
David Philip has been playing with building PyCuDA against Sage's
Python on OSX.
No!!! I'd love to do it but I haven't got time for CUDA. I've been
using boost.python, for the sake of /other/ C++ code of mine. I
originally tried to sort of
Hello folks,
September 1st is around the corner and we wanted to hit 60% coverage
by the end of August. The current coverage in my alpha2 merge tree is
Overall weighted coverage score: 57.2%
Total number of functions: 20912
and Mike Hansen is writing doctests for all the expect
On Aug 28, 11:22 pm, David Philp [EMAIL PROTECTED] wrote:
On 29/08/2008, at 7:56 AM, mabshoff wrote:
David Philip has been playing with building PyCuDA against Sage's
Python on OSX.
No!!! I'd love to do it but I haven't got time for CUDA. I've been
using boost.python, for the sake
Well any python code fails to work as expected:
try: sage-python -c import sys
File string, line 1
import
^
SyntaxError: invalid syntax
... -c print;print # will print two line feeds however
this came up when trying to configure boost for sage, wherein
configure has:
$PYTHON -c
On Thu, Aug 28, 2008 at 11:04 AM, David Ketcheson [EMAIL PROTECTED] wrote:
For now I have resorted to simply manipulating strings for what I
want, which is simply to be able to do symbolic algebra with matrices
and vectors. I may be interested in developing this functionality
myself for
On 29/08/2008, at 9:29 AM, Simon Beaumont wrote:
On Aug 28, 11:22 pm, David Philp [EMAIL PROTECTED] wrote:
On 29/08/2008, at 7:56 AM, mabshoff wrote:
David Philip has been playing with building PyCuDA against Sage's
Python on OSX.
No!!! I'd love to do it but I haven't got time for CUDA.
I have pycuda working on OSX 10.5.2 with the standard framework based
python and nv CUDA 2.0... now for the hacks!
Not at all sure about the right direction for this CUDA stuff yet.
Simon
On Aug 29, 12:29 am, Simon Beaumont [EMAIL PROTECTED] wrote:
On Aug 28, 11:22 pm, David Philp [EMAIL
Hi David,
There appears to be a broken link at
http://wiki.sagemath.org/Teaching_with_SAGE
for Calculus 1. The broken link is
[1] http://sage.math.washington.edu/home/wdj/teaching/granville-calculus/
However, at the URL
http://sage.math.washington.edu/home/wdj/teaching/
I notice that your
On Aug 28, 4:34 pm, Simon Beaumont [EMAIL PROTECTED] wrote:
Well any python code fails to work as expected:
try: sage-python -c import sys
File string, line 1
import
^
SyntaxError: invalid syntax
... -c print;print # will print two line feeds however
this came up when
Hi Harald,
On Wed, Aug 27, 2008 at 9:33 AM, Harald Schilly
[EMAIL PROTECTED] wrote:
[...]
I'll keep you updated on
this tutorial in the next few weeks.
great! also linking to pari, R and other tutorials from the sage
documentation page is a good idea if someone wants to understand those
On Thu, Aug 28, 2008 at 4:59 PM, mabshoff [EMAIL PROTECTED] wrote:
The Python extension is linked against nauty object files, and gcc
complains
these should be compiled with the flag -fPIC to make relocatable code.
nauty does not have this flag normally, so I modified the makefile to add
It is indeed weird! I'm not really sure what's going on. I think the
simplest thing to do right now is just to run the notebook on a
different machine, since I want to reserve this machine for my
research anyway. (For the record, I was running 64 bit Ubuntu.)
Thanks all, JV
On Thu, Aug 28, 2008 at 5:13 PM, mabshoff [EMAIL PROTECTED] wrote:
On Aug 28, 2:54 pm, Jason Grout [EMAIL PROTECTED] wrote:
The Python extension is linked against nauty object files, and gcc
complains these should be compiled with the flag -fPIC to make
relocatable code. nauty does not
On Wed, Aug 27, 2008 at 6:39 PM, John Voight [EMAIL PROTECTED] wrote:
Hello all,
I'd like to keep the Sage notebook open and running for my students on
a server machine, but when I do it immediately hogs all 4GB of
memory! (Even after I kill the notebook and quit sage, according to
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