[sage-devel] [ANN] remote-sagetex: SageTeX without Sage

2009-06-10 Thread Dan Drake
SageTeX: Honey? Sage: Yes, dear? SageTeX: You know, we've been together for a while now. We get along really well. I really like being with you. But...things have been changing for me, and I think it's time we consider a long distance relationship. Sag

[sage-devel] Re: sage-4.0.1

2009-06-10 Thread Minh Nguyen
Hi folks, Now that all binaries are in place and the standard documentation is up, I thought it's a good time to post the release note here and give a link to the release tour. Note that sage-announce is the appropriate place to do this, but only the sage-announce group admin can do that. So here

[sage-devel] Re: "What can Magma do that Sage can't do?"

2009-06-10 Thread Nicolas M. Thiery
On Fri, Jun 05, 2009 at 07:47:05PM -0700, William Stein wrote: > > Hi Sage-Devel, > > This email will focus entirely on functionality present in Magma that > is not available in Sage. We will almost entirely ignore questions of > efficiency for this email. ... > VIII. Finite Groups; Finitely-

[sage-devel] Re: Functions related to cycles in graphs

2009-06-10 Thread Rob Beezer
Alexandre, Today I wanted a 6-cycle from a large graph, so such a function would have been welcome. If it is convenient you might have your routine return a generator. Then it can be used to test existence of such a cycle, employed to get once to get a single cycle, or used to iterate over some

[sage-devel] Re: Bug - sage-cleaner failed due to NULLs in spawned-processes files written by cleaner.py

2009-06-10 Thread Anthony David
Corrected patch uploaded. My limited testing (i686 Debian) - looks good. Requires review/testing on other OS/arch. --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-uns

[sage-devel] Re: Eigenvalues, eigenspaces for graphs

2009-06-10 Thread Rob Beezer
On Jun 8, 7:47 pm, Jason Grout wrote: > I've never had to use the left eigenvectors of a graph. And I've never needed a directed graph so my matrices are always symmetric. (Just kidding.) ;-) The above is now: http://trac.sagemath.org/sage_trac/ticket/6258 A related question: matrices and

[sage-devel] Re: Categories restart

2009-06-10 Thread Nicolas M. Thiery
> As many of us have stated on IRC and elsewhere, lots of us reviewing > the categories stuff got burned out after Sage days and then busy > with lots of other stuff. There's lots of good code here that should > go in, and it's a blocker for much of the sage-combinat stuff as well. +1 :-)

[sage-devel] Re: Typesetting regression in Sage-4.0

2009-06-10 Thread Mike Hansen
On Wed, Jun 10, 2009 at 3:16 PM, Jason Grout wrote: > That's how I'd write it in class if I was illustrating the chain rule. > > I agree with Robert---functions have ordered, named parameters (thanks > to your patch that deprecated not specifying the order of variables!), > so we should be able to

[sage-devel] Re: Typesetting regression in Sage-4.0

2009-06-10 Thread Jason Grout
Carl Witty wrote: > On Tue, Jun 9, 2009 at 6:08 PM, Golam Mortuza > Hossain wrote: >> Hi, >> >> On Tue, Jun 9, 2009 at 9:45 PM, Jason Grout >> wrote: >> (4) Should we switch to old maxima format for "diff"? >>> Can you clarify with an example what you mean? In other words, can you >>> give

[sage-devel] Functions related to cycles in graphs

2009-06-10 Thread alexandre.blondin.ma...@gmail.com
Hi everybody, I am currently working on a project in which I compute cycles in directed graph. I am wondering if it would be interesting to add some of my code to Sage. For instance, I noticed that there is no function computing all cycles of a given length in a graph, or a function returning an a

[sage-devel] Re: Typesetting regression in Sage-4.0

2009-06-10 Thread Golam Mortuza Hossain
Hi Carl, On Wed, Jun 10, 2009 at 4:49 PM, Carl Witty wrote: > Is it even possible to use the old typesetting format with the new > symbolic representation?  For example, "df(sin(x)*cos(x))/dx" is > represented as -(sin(x)^2 - cos(x)^2)*D[0](f)(sin(x)*cos(x)); it seems > likely to be difficult to

[sage-devel] Re: Typesetting regression in Sage-4.0

2009-06-10 Thread Carl Witty
On Tue, Jun 9, 2009 at 6:08 PM, Golam Mortuza Hossain wrote: > > Hi, > > On Tue, Jun 9, 2009 at 9:45 PM, Jason Grout > wrote: > >>> (4) Should we switch to old maxima format for "diff"? >> >> Can you clarify with an example what you mean?  In other words, can you >> give an example of the "new" w

[sage-devel] Re: e2: Mathematica and free software

2009-06-10 Thread rjf
On Jun 10, 5:57 am, "Dr. David Kirkby" wrote: > Harald Schilly wrote: > > Nice and interesting article on everything2.com about free maths > > software, a presentation by wolfram about mathematica and thoughts > > about the reason, why mathematica is still tolerated. Link to Sage > > included ;

[sage-devel] Collection of Algebraic Identities by Piezas

2009-06-10 Thread Minh Nguyen
Hi folks, This one is from the Axiom mailing list at the thread http://lists.gnu.org/archive/html/axiom-developer/2009-06/msg00016.html The relevant collection of algebraic identities is at http://sites.google.com/site/tpiezas/ -- Regards Minh Van Nguyen --~--~-~--~~

[sage-devel] Re: Solaris toolchain based on gcc-4.4.0

2009-06-10 Thread Dr. David Kirkby
William Stein wrote: >> 6) Attempt to build Sage. This gets quite a long way but does fail at >> sqlite-3.5.3.p3. >> >> I'll put the compilation issues in another message, as I don't think it >> is related to the build of gcc 4.4.0, but the order some libraries are >> linked in sqlite - the error

[sage-devel] Re: e2: Mathematica and free software

2009-06-10 Thread Dr. David Kirkby
Harald Schilly wrote: > Nice and interesting article on everything2.com about free maths > software, a presentation by wolfram about mathematica and thoughts > about the reason, why mathematica is still tolerated. Link to Sage > included ;) > > http://everything2.com/title/mathematica%20and%20fre

[sage-devel] Re: Solaris toolchain based on gcc-4.4.0

2009-06-10 Thread William Stein
2009/6/9 Dr. David Kirkby : > > I've created a tool chain for Solaris on t2, which I'm hoping solves the > gfortran issues. Certainly gcc-4.4.0 will compile fortran programs now > and it seems to get a long way to building Sage, although I do have an > error I hope to fix. > > If anyone wishes to

[sage-devel] Categories restart

2009-06-10 Thread Robert Bradshaw
As many of us have stated on IRC and elsewhere, lots of us reviewing the categories stuff got burned out after Sage days and then busy with lots of other stuff. There's lots of good code here that should go in, and it's a blocker for much of the sage-combinat stuff as well. I've just review