Re: [sage-devel] Univ of Washington postdoc job(s)

2010-07-17 Thread François Bissey
> On Sat, Jul 17, 2010 at 7:16 AM, William Stein wrote: > > Hi Sage-Devel, > > > > Amazingly, University of Washington has >= 1 postdoc jobs starting in > > 2011. It's a very competitive position, and pays pretty well. > > Anyway, here is the job ad: > > > > http://www.math.washingt

[sage-devel] Re: Univ of Washington postdoc job(s)

2010-07-17 Thread rjf
I wouldn't call this a postdoc. It is non-tenure track position that requires teaching. The blurb doesn't mention how much teaching or how much money. Actually, the ad doesn't call it a postdoc either. RJF On Jul 17, 7:16 am, William Stein wrote: > Hi Sage-Devel, > > Amazingly, University of W

Re: [sage-devel] Univ of Washington postdoc job(s)

2010-07-17 Thread Ondrej Certik
On Sat, Jul 17, 2010 at 7:16 AM, William Stein wrote: > Hi Sage-Devel, > > Amazingly, University of Washington has >= 1 postdoc jobs starting in > 2011.  It's a very competitive position, and pays pretty well. > Anyway, here is the job ad: > >             http://www.math.washington.edu/Appts/jobin

Re: [sage-devel] Is there a reason for GSL to be 3 years old?

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 06:23 PM, William Stein wrote: On Saturday, July 17, 2010, Dr. David Kirkby wrote: I just noticed a problem with the version of gsl in Sage. The exit code of the Makefile is not tested, so if there are test failures, it does not cause the build to stop like it does with other pack

Re: [sage-devel] Re: IDE's; science/engineering

2010-07-17 Thread Nicolas M. Thiery
On Wed, Jul 14, 2010 at 12:42:53AM -0700, Maurizio wrote: > By the way, some > time ago we managed to run spyder letting it use the sage console as > interpreter, which was kind of fun, but never used it extensively. Did you keep a log of what exactly you did to achieve this? After seeing an impre

Re: [sage-devel] Bug in matrix constructor?

2010-07-17 Thread Nicolas M. Thiery
On Thu, Jul 15, 2010 at 08:49:03PM -0700, Mike Hansen wrote: > On Thu, Jul 15, 2010 at 7:54 PM, Nicolas M. Thiery > wrote: > > Should I file a ticket? > > http://trac.sagemath.org/sage_trac/ticket/9344 which has a positive review. Great, thanks! I guess I screwed up my trac search :-) Cheers,

Re: [sage-devel] sage-4.5 final build failure of 'gd' on sage.math

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 11:12 PM, Dr. David Kirkby wrote: I've just tried to build Sage in parallel on sage.math and got an error when installing 'gd'. http://boxen.math.washington.edu/home/kirkby/gd-2.0.35.p5.log This just failed again for me. I've not bothered saving the log, but are going to rebuild i

[sage-devel] sage-4.5 final build failure of 'gd' on sage.math

2010-07-17 Thread Dr. David Kirkby
I've just tried to build Sage in parallel on sage.math and got an error when installing 'gd'. http://boxen.math.washington.edu/home/kirkby/gd-2.0.35.p5.log ** Configuration summary for gd 2.0.35: Support for PNG library: yes Support for JPEG library: no Support for Fr

Re: [sage-devel] graph_plot.py : Image width or height is zero in IHDR

2010-07-17 Thread Carl Witty
On Sat, Jul 17, 2010 at 5:57 AM, Robert Miller wrote: > Although > > http://trac.sagemath.org/sage_trac/ticket/5906 > > was supposed to eliminate this problem for good, sometimes random > (i.e. spring-layout) algorithms seem to trigger it, in particular when > a short path happens to get put into

Re: [sage-devel] About mpmath and sympy

2010-07-17 Thread Paulo César Pereira de Andrade
2010/7/17 François Bissey : >> As an aside, if two upstream packages include another upstream >> package (e.g. both include GMP) what does Sage do? Are there >> two copies of GMP? They could have different versions of the >> same package since project 1 could have stopped at one version >> and proj

Re: [sage-devel] Is there a reason for GSL to be 3 years old?

2010-07-17 Thread William Stein
On Saturday, July 17, 2010, Dr. David Kirkby wrote: > I just noticed a problem with the version of gsl in Sage. The exit code of > the Makefile is not tested, so if there are test failures, it does not cause > the build to stop like it does with other packages. (It reports an error, but > does

[sage-devel] Is there a reason for GSL to be 3 years old?

2010-07-17 Thread Dr. David Kirkby
I just noticed a problem with the version of gsl in Sage. The exit code of the Makefile is not tested, so if there are test failures, it does not cause the build to stop like it does with other packages. (It reports an error, but does not exit). However, I decided to have a look at the GSL web

Re: [sage-devel] Re: multivariate polynomial multiplication, division, GCD, factorization

2010-07-17 Thread William Stein
On Sat, Jul 17, 2010 at 6:02 PM, parisse wrote: > Hi, > > It seems the original source is stored in a src subdirectory and you > added the shell script spkg-install and the readme SPKG.txt file, is > there any other changes? Nope, that's all it is. spkg's are really simple. -- William -- Wil

[sage-devel] Re: multivariate polynomial multiplication, division, GCD, factorization

2010-07-17 Thread parisse
Hi, It seems the original source is stored in a src subdirectory and you added the shell script spkg-install and the readme SPKG.txt file, is there any other changes? -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-dev

[sage-devel] Re: multivariate polynomial multiplication, division, GCD, factorization

2010-07-17 Thread parisse
> After installing enough latex packages so that the docs seemed to > build, my build still fails here: > > ln: creating symbolic link > `/scratch/wstein/build/sage-4.4.4/local/share/giac/doc/aide_cas': File > exists Indeed, the command in the Makefile should be ln -sf instead of ln -s, I will fix

Re: [sage-devel] Re: multivariate polynomial multiplication, division, GCD, factorization

2010-07-17 Thread William Stein
Hi, I put my experimental giac spkg here: http://sage.math.washington.edu/home/wstein/patches/giac-20100717.spkg To build it you have to "sage -f -m giac-20100717". Then "sage -sh", then delete the file it complains about (repeat, lather), type "make install"

Re: [sage-devel] Re: multivariate polynomial multiplication, division, GCD, factorization

2010-07-17 Thread William Stein
On Fri, Jul 16, 2010 at 2:50 PM, parisse wrote: >> I'm *REALLY*, really, really confused about which tarball is the >> source code for the >> latest version of giac.  Just to clarify, please send me a direct link >> in email here, please. >> > > Should be there > http://www-fourier.ujf-grenoble.fr

Re: [sage-devel] Is givaro related to R?

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 02:46 PM, Dr. David Kirkby wrote: In the spkg-check file for givaro, it says: make check if [ $? -ne 0 ]; then echo "Error while running the R testsuite ... exiting" exit 1 fi Is this as I expect, a simple typo, or is it true? Dave I hope it just a typo - I forgot I had positiv

[sage-devel] Univ of Washington postdoc job(s)

2010-07-17 Thread William Stein
Hi Sage-Devel, Amazingly, University of Washington has >= 1 postdoc jobs starting in 2011. It's a very competitive position, and pays pretty well. Anyway, here is the job ad: http://www.math.washington.edu/Appts/jobinfo.php This is relevant to Sage, since tons of Sage development g

[sage-devel] Is givaro related to R?

2010-07-17 Thread Dr. David Kirkby
In the spkg-check file for givaro, it says: make check if [ $? -ne 0 ]; then echo "Error while running the R testsuite ... exiting" exit 1 fi Is this as I expect, a simple typo, or is it true? Dave -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe f

Re: [sage-devel] new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread Francesco Biscani
On Sat, Jul 17, 2010 at 11:03 AM, Thierry Dumont wrote: > 2) For the ODEs, the best and the most *modern* methods are there: > http://www.unige.ch/~hairer/software.html > H. Hairer, G. Wanner, C. Lubich are among the best specialist of numerical > methods for ODE and their programs (even if writte

Re: [sage-devel] Re: new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread Thierry Dumont
Le 17/07/2010 15:18, Harald Schilly a écrit : On Jul 17, 11:03 am, Thierry Dumont wrote: 2) For the ODEs, ... (even if written in f77)... I don't know their work but I think there is nothing wrong with f77 for this type of problem. Do you know f2py [1]? Shouldn't be too hard to wrap their f7

[sage-devel] Re: new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread Harald Schilly
On Jul 17, 11:03 am, Thierry Dumont wrote: > 2) For the ODEs, ... (even if written in f77)... I don't know their work but I think there is nothing wrong with f77 for this type of problem. Do you know f2py [1]? Shouldn't be too hard to wrap their f77 functions in python! [1] http://cens.ioc.ee/

Re: [sage-devel] Re: ATLAS - proposal to allow a threaded build.

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 01:07 PM, William Stein wrote: On Sat, Jul 17, 2010 at 2:03 PM, Dr. David Kirkby wrote: On 07/17/10 12:32 PM, William Stein wrote: On Sat, Jul 17, 2010 at 1:16 PM, Robert Miller wrote: With the rest of the packages, we just do export MAKE="make -j6" to enable parallel build

Re: [sage-devel] new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread John Cremona
I'm interested in your C++ psarse matrix class based on std::map, since I have one too (and it is in Sage in the eclib spkg). If you type CremonaModularSymbols(12345) they are being used. John On 17 July 2010 10:03, Thierry Dumont wrote: > Le 17/07/2010 09:22, Martin Rubey a écrit : >> >> Willi

[sage-devel] graph_plot.py : Image width or height is zero in IHDR

2010-07-17 Thread Robert Miller
Although http://trac.sagemath.org/sage_trac/ticket/5906 was supposed to eliminate this problem for good, sometimes random (i.e. spring-layout) algorithms seem to trigger it, in particular when a short path happens to get put into a straight vertical or horizontal line. What surprises me is that i

[sage-devel] Should 'nose' be in Sage?

2010-07-17 Thread Dr. David Kirkby
'nose' aids testing of python packages. Metesh Patel suggested I used it yesterday, to resolve a problem. But one has to download it, since it is not a standard package in Sage. If one looks as the spkg-check sqlalchemy-0.5.8/spkg-check we can see it does absolutely nothing, as it has in it:

Re: [sage-devel] Re: ATLAS - proposal to allow a threaded build.

2010-07-17 Thread William Stein
On Sat, Jul 17, 2010 at 2:03 PM, Dr. David Kirkby wrote: > On 07/17/10 12:32 PM, William Stein wrote: >> >> On Sat, Jul 17, 2010 at 1:16 PM, Robert Miller >>  wrote: >>> >>> With the rest of the packages, we just do >>> >>> export MAKE="make -j6" >>> >>> to enable parallel building. Why don't we j

Re: [sage-devel] Re: ATLAS - proposal to allow a threaded build.

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 12:32 PM, William Stein wrote: On Sat, Jul 17, 2010 at 1:16 PM, Robert Miller wrote: With the rest of the packages, we just do export MAKE="make -j6" to enable parallel building. Why don't we just use this in atlas as well? Why do we need to make a special case? I think the OP w

Re: [sage-devel] Re: ATLAS - proposal to allow a threaded build.

2010-07-17 Thread William Stein
On Sat, Jul 17, 2010 at 1:16 PM, Robert Miller wrote: > With the rest of the packages, we just do > > export MAKE="make -j6" > > to enable parallel building. Why don't we just use this in atlas as > well? Why do we need to make a special case? I think the OP was suggesting building ATLAS so that

[sage-devel] Re: ATLAS - proposal to allow a threaded build.

2010-07-17 Thread Robert Miller
With the rest of the packages, we just do export MAKE="make -j6" to enable parallel building. Why don't we just use this in atlas as well? Why do we need to make a special case? -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email

Re: [sage-devel] new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread Thierry Dumont
Le 17/07/2010 09:22, Martin Rubey a écrit : William Stein writes: http://wstein.org/talks/stein-sd24/stein-sd24.pdf Reading this document, I was, among many things, very interested by the 2012 horizon (Sage 7.0) and specially by the Engineering projects. I am interested by this point an

Re: [sage-devel] new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread William Stein
On Sat, Jul 17, 2010 at 10:28 AM, Dr. David Kirkby wrote: > On 07/17/10 07:50 AM, William Stein wrote: >> >> http://wstein.org/talks/stein-sd24/stein-sd24.pdf >> > > Point #7 about why you don't like Magma may be true. The developer community > might be too small, and there may be no public mailin

[sage-devel] cvxopt will always reports it successfully installed, even if it failed.

2010-07-17 Thread Dr. David Kirkby
The last line of the spkg-install of cvxopt is: python setup.py install That's two I've found this week (cephes and cvxopt), which will always report "Successfully installed $package_name" when in fact they might have failed to install. This is now http://trac.sagemath.org/sage_trac/ticket/9

Re: [sage-devel] new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 07:50 AM, William Stein wrote: http://wstein.org/talks/stein-sd24/stein-sd24.pdf Point #7 about why you don't like Magma may be true. The developer community might be too small, and there may be no public mailing list. But to say the same is true of Maple - "(Similar remarks abo

Re: [sage-devel] ATLAS - proposal to allow a threaded build.

2010-07-17 Thread Dr. David Kirkby
On 07/17/10 07:20 AM, Martin Albrecht wrote: How does this sound. 1) We add an environment variable SAGE_ATLAS_THREADS 2) If unset, then the behavior is unchanged, so we build an unthreaded ATLAS. 3) If set to "auto": $ export SAGE_ATLAS_THREADS=auto then we let ATLAS automatically determine t

[sage-devel] Re: sage is getting big

2010-07-17 Thread Harald Schilly
On Jul 17, 8:36 am, William Stein wrote: > flat:sage wstein$ find . -print |grep "pyx\|pxi\|pxd\|.py$" | xargs  cat |wc > -l >   948712 > flat:sage wstein$ find . -print |grep "pyx\|pxi\|pxd\|.py$" | xargs > cat |sort|uniq|wc -l >   453612 Would be interesting to distinguish between documentatio

[sage-devel] Nasty arithmetic bug for polynomials over non-prime finite fields

2010-07-17 Thread Craig Citro
Hi all, I just hit this zinger: {{{ sage: polygen(GF(49, 'a')) ; polygen(GF(9, 'a')) x x sage: x = polygen(GF(49, 'a')) sage: -x 2*x sage: x + 0 x sage: -x 6*x }}} This is definitely still present in sage-4.5 (at least, William tried it on his laptop and said he hit it). The underlying issue is

Re: [sage-devel] new talk: The Development of Symbolic Calculus in Sage

2010-07-17 Thread Martin Rubey
William Stein writes: > http://wstein.org/talks/stein-sd24/stein-sd24.pdf "world domination" has a very intimidating (naziesque) connotation for me (I do not think only for me, but I cannot know). Sage is great, but that makes me shiver. Martin -- To post to this group, send an email to sage