On Aug 25, 7:46 am, "Ondrej Certik" <[EMAIL PROTECTED]> wrote: > On Mon, Aug 25, 2008 at 12:55 AM, Jason Merrill <[EMAIL PROTECTED]> wrote: > > > In hopes that it may be a useful reference during the current work on > > symbolics, I wrote a toy Mathematica program for transforming a single > > higher order ODE into a system of first order ODEs. Most of the free > > numerical differential equation solvers I've seen want input in the > > form y'[x] == f(y,x), so the purpose of a program like this is to take > > more general input and turn it into something suitable for those > > routines.
<snip> > Thanks for doing this. It is indeed very useful, I always wondered how > things like this are done in Mathematica. > > Any ideas how this could be nicely translated to Python? > > Ondrej I thought you were going to tell me that sympy already does this. I believe I saw an example somewhere in the docs about matching derivatives, but I couldn't immediately find it again. JM --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
