[sage-support] Re: Vector fields and Quivers

2008-03-04 Thread Eric Drechsel
Thanks for the matplotlib recipe! I just had the same problem with plot_vector_field not accepting coordinate functions of two arguments. I went ahead and created an issue: http://trac.sagemath.org/sage_trac/ticket/2381 - Eric On Feb 17, 10:19 am, Hector Villafuerte [EMAIL PROTECTED] wrote:

[sage-support] Re: sage installation Ubuntu 7.10 - extracting .tar error

2008-03-04 Thread Chris S.
OK, thanks. I am happy to report I downloaded the source successfully using wget and compiled it in about 5 hours (AMD Athlon XP1800 - 1.5 GHz) Chris On Mar 3, 3:10 pm, Carlo Hamalainen [EMAIL PROTECTED] wrote: On Mon, Mar 3, 2008 at 8:01 PM, Chris S. [EMAIL PROTECTED] wrote: As William

[sage-support] Re: mixed Integer Linear Programming solvers in SAGE?

2008-03-04 Thread [EMAIL PROTECTED]
SAGE includes CVXOPT, which might include it in future releases. We're in the process of making simple interfaces to the ILP solvers in GLPK and MOSEK, and we have considered lpsolve also. The default solvers in CVXOPT does not handle integer constraints. On Mar 4, 8:25 pm, Reckoner [EMAIL

[sage-support] Re: Vector fields and Quivers

2008-03-04 Thread Eric Drechsel
Jason: wow, that was quick. I'll try out the plot_vector_field patch as soon as I figure out how to test patches etc I ended up using Hector's example and some things from the matplotlib documentation for my assignment. A notable improvement is using axis('tight'), which solves the window

[sage-support] Spline question

2008-03-04 Thread dean moore
Playing with splines for other reasons, I found what I beat down to the following snippet (see attached) *v = [] # Will hold points step = 0.5 # Fineness of my approximation for x in srange(0, 2*pi, step): # Fill parameter *v* with points

[sage-support] Re: file with .sage extension question

2008-03-04 Thread William Stein
On Thu, Feb 28, 2008 at 9:36 AM, Kate [EMAIL PROTECTED] wrote: What gives with the following session below? More specifically, what happens to the file docstring when the file has a .sage extension? There is a bug in the .sage -- .py conversion process that your example below illustrates.

[sage-support] Re: Spline question

2008-03-04 Thread Mike Hansen
Maybe I'm missing something, but what is your question? --Mike On Tue, Mar 4, 2008 at 12:00 PM, dean moore [EMAIL PROTECTED] wrote: Playing with splines for other reasons, I found what I beat down to the following snippet (see attached) v = [] # Will hold points

[sage-support] Re: Animation speed question

2008-03-04 Thread dean moore
When I used *step = 0.095*, I have 64 frames, close enough to the wikipedia image's of 66. But resultant animation is choppy, where wikipedia's is fairly smooth. I tinkered with a spline to smooth out a different curve, but it ran fantastically slow, -- something about too many points? -- so