[sage-devel] Re: trac 7004: Refactor the graph layout code, and add interface with graphviz

2010-02-10 Thread Rob Beezer
On Feb 9, 3:53 pm, "Nicolas M. Thiery" wrote: >  * Implement the various options for both latex constructions (tikz or > dot2tex) I looked through the changes to latex (tikzpicture) code for graphs, to allow consistent handling of the dot2tex/graphviz output. It all looks fine and the tikzpictu

[sage-devel] Re: [sage-combinat-devel] Re: Category Questions

2010-02-10 Thread Nicolas M. Thiery
On Wed, Feb 10, 2010 at 11:10:46AM -0500, Jason Bandlow wrote: > I am indifferent to the choice of convention. I agree that the conflict > you point out is disturbing. My choice for using the smallest support > was based on the current behavior of printing in sage (for most > combinatorics). > >

[sage-devel] Re: ticket #6583 breaks build on t2.math (SPARC Solaris 10 with GCC)

2010-02-10 Thread Minh Nguyen
Hi folks, Here's the log of the failed build: http://sage.math.washington.edu/home/mvngu/doc/sage/install/sage-4.3.0.2/install-4.3.0.2.alpha5-6583-t2.math.log.bz2 -- Regards Minh Van Nguyen -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group,

Re: [sage-devel] trac 7004: Refactor the graph layout code, and add interface with graphviz

2010-02-10 Thread Nicolas M. Thiery
Hi Robert! Thanks for your quick feedback! Anyone else comments? Vincent is about to review the code. On Tue, Feb 09, 2010 at 04:15:59PM -0800, Robert Miller wrote: > On Tue, Feb 9, 2010 at 3:53 PM, Nicolas M. Thiery > wrote: > > Due to urgent needs for Sage days 20, I just rebased and

[sage-devel] Re: [sage-combinat-devel] trac 7004: Refactor the graph layout code, and add interface with graphviz

2010-02-10 Thread Nicolas M. Thiery
On Wed, Feb 10, 2010 at 08:41:55PM +0100, Vincent Delecroix wrote: > I started the lecture and the review. I need your tools to draw huge > Rauzy diagrams (more than 1000 vertices) and graphs of graphs. Hence, > I will see if your patch is "adaptable". Excellent, thanks! That will be a good stress

[sage-devel] Re: [sage-combinat-devel] server down?

2010-02-10 Thread Mike Hansen
On Wed, Feb 10, 2010 at 1:46 PM, Anne Schilling wrote: > Hi, > > Is the sage-combinat server and trac down? It seems the main boxes (sage, geom, mod, and boxen) aren't working at the moment, and the sage-combinat server runs on boxen. --Mike -- To post to this group, send an email to sage-deve

[sage-devel] Re: Fwd: accessing parts of expressions

2010-02-10 Thread Simon King
Hi Robert, On 10 Feb., 20:53, Robert Bradshaw wrote: [...] > Also, there's talk of v[1] returning a subscripted variable (no-one's   > implemented this yet). Since a while, there are infinite polynomial rings in Sage. OK, the generators of an infinite polynomial ring do not return *symbolic* var

Re: [sage-devel] Re: Fwd: accessing parts of expressions

2010-02-10 Thread Robert Bradshaw
On Feb 10, 2010, at 8:36 AM, Nils Bruin wrote: On Feb 10, 1:39 am, Stan Schymanski wrote: Dear all, I suppose that the below is not possible yet, so I am forwarding this to sage-devel. I think it would be great if one was able to access parts of an expression in a nested way, e.g. expr1 = (a

Re: [sage-devel] problem installing 4ti2 Fedora 12 64bit

2010-02-10 Thread William Stein
On Wed, Feb 10, 2010 at 9:36 AM, davidp wrote: > I am trying to install 4ti2 with the command > > sage -i 4ti2.p0 > > on my desktop running Fedora 2.6.31.12-174.2.3.fc12.x86_64.  Here is > the resulting error message: > > --- > /bin/sh ../../libtool --tag=CXX   --mode=link

[sage-devel] problem installing 4ti2 Fedora 12 64bit

2010-02-10 Thread davidp
I am trying to install 4ti2 with the command sage -i 4ti2.p0 on my desktop running Fedora 2.6.31.12-174.2.3.fc12.x86_64. Here is the resulting error message: --- /bin/sh ../../libtool --tag=CXX --mode=link g++ -I/usr/local/ sage-4.3.2/local/include -D__STDC_LIMIT_MACRO

[sage-devel] Re: Fwd: accessing parts of expressions

2010-02-10 Thread Nils Bruin
On Feb 10, 1:39 am, Stan Schymanski wrote: > Dear all, > > I suppose that the below is not possible yet, so I am forwarding this > to sage-devel. I think it would be great if one was able to access > parts of an expression in a nested way, e.g. > > expr1 = (a*x^3 + b*x)/(1 - Sqrt((1 - x)/(x - c)))

[sage-devel] Re: "sage -f .spkg" should do "sage -b", shouldn't it?

2010-02-10 Thread Dima Pasechnik
William, On Feb 10, 10:55 pm, William Stein wrote: > On Wed, Feb 10, 2010 at 6:42 AM, Dima Pasechnik wrote: > > Minh, > > IMHO, this is a missing feature of sage -f. > > Either it should always do sage -b > > after the building of the package is done, > > or there should be an option in spkg-ins

Re: [sage-devel] Re: "sage -f .spkg" should do "sage -b", shouldn't it?

2010-02-10 Thread William Stein
On Wed, Feb 10, 2010 at 6:42 AM, Dima Pasechnik wrote: > Minh, > IMHO, this is a missing feature of sage -f. > Either it should always do sage -b > after the building of the package is done, > or there should be an option in spkg-install to trigger sage -b There is already an option in spkg-insta

[sage-devel] ready for upgrade to GAP 4.4.12

2010-02-10 Thread Dima Pasechnik
Dear all, I have just created track ticket #8229, that completes the task of upgrading gap.spkg (ticket #8076) and patching the relevant parts of devel/sage/ (ticket #8150) by also upgrading gap_packages.spkg Please test. Let's finish this story and upgrade to gap-4.4.12, at last. Thanks, Dima --

[sage-devel] Re: "sage -f .spkg" should do "sage -b", shouldn't it?

2010-02-10 Thread Dima Pasechnik
Minh, IMHO, this is a missing feature of sage -f. Either it should always do sage -b after the building of the package is done, or there should be an option in spkg-install to trigger sage -b Dima On Feb 10, 9:56 pm, Minh Nguyen wrote: > Hi Dima, > > On Thu, Feb 11, 2010 at 12:42 AM, Dima Pasech

Re: [sage-devel] Re: Category Questions

2010-02-10 Thread Nicolas M. Thiery
Hi Simon, Thanks for your feedback, On Wed, Feb 10, 2010 at 04:51:37AM -0800, Simon King wrote: > > >     sage: p = 3*x^2+2*x+1 > > >     sage: p.leading_coefficient() > > >     3 > > > > Florent is also +1 on this convention, and I just fixed the patch > > accordingly. But it is still ti

Re: [sage-devel] "sage -f .spkg" should do "sage -b", shouldn't it?

2010-02-10 Thread Minh Nguyen
Hi Dima, On Thu, Feb 11, 2010 at 12:42 AM, Dima Pasechnik wrote: > Is it a bug No. See the following sage-support thread for a reason why this happens: http://groups.google.com/group/sage-support/browse_frm/thread/fcc09183eda071d2 That thread also contains a solution to the problem you're e

[sage-devel] "sage -f .spkg" should do "sage -b", shouldn't it?

2010-02-10 Thread Dima Pasechnik
Why trying LP and MILP functionality required by e.g. degree_constrained_subgraph in graphs/graph.py, I noticed that just installing the corresponding package is not enough, one must run sage -b afterwards. Is it a bug, or a feature? Best, Dima -- To post to this group, send an email to sage-de

[sage-devel] Re: Category Questions

2010-02-10 Thread Simon King
Hi! On Feb 10, 12:36 pm, "Nicolas M. Thiery" wrote: > On Wed, Feb 10, 2010 at 11:06:50AM +0100, Nicolas M. Thiery wrote: > > I finally started to review #7914. One thing that did slip through > > my fingers. I just noticed that leading_term returns the term with > > smallest support. I instead as

[sage-devel] Re: [sage-combinat-devel] Re: Category Questions

2010-02-10 Thread Nicolas M. Thiery
Dear Sage / Sage-combinat devs, This is a short call for votes about leading terms and triangular morphisms. On Wed, Feb 10, 2010 at 11:06:50AM +0100, Nicolas M. Thiery wrote: > I finally started to review #7914. One thing that did slip through > my fingers. I just noticed that leading_te

Re: [sage-devel] GPL issues again - trivial ones this time !!!

2010-02-10 Thread Dr. David Kirkby
Tom Boothby wrote: Context is important. The GPL doesn't say that every GPL'd interactive program must print a banner. It says that if such a banner is printed by a current GPL'd programs, then *if you distribute a modified copy*, that copy must also print the banner. Personally, I would have

[sage-devel] Fwd: accessing parts of expressions

2010-02-10 Thread Stan Schymanski
Dear all, I suppose that the below is not possible yet, so I am forwarding this to sage-devel. I think it would be great if one was able to access parts of an expression in a nested way, e.g. expr1 = (a*x^3 + b*x)/(1 - Sqrt((1 - x)/(x - c))) + c/x expr1[0] (a*x^3 + b*x)/(1 - Sqrt((1 - x)/(x - c)

Re: [sage-devel] GPL issues again - trivial ones this time !!!

2010-02-10 Thread Tom Boothby
On Tue, Feb 9, 2010 at 3:59 PM, Dr. David Kirkby wrote: > Tom Boothby wrote: >> >> Context is important.  The GPL doesn't say that every GPL'd >> interactive program must print a banner.  It says that if such a >> banner is printed by a current GPL'd programs, then *if you distribute >> a modified