[SciPy-user] Runge-Kutta ODE integrator in SciPy, odepack problems on SciPy Superpack for OSX?

[Anne Archibald]

On 12/03/2008, Zane Selvans <zane at ideotrope.org> wrote:
> I'm looking for a Python Runge-Kutta diffeq integrator, and I've found
>  conflicting information online as to whether this is included within
>  SciPy (the SciPy to Matlab comparison says it's included in Matlab, and
>  not in SciPy, but some mailing list commentary says it's part of the
>  odepack).
>
>  Does anyone know for sure?  I don't actually know a whole lot about how
>  numerical ode solvers work (and truthfully, I don't want to learn, which
>  is why I'm hoping I can just find an open source solver...)

Scipy has (at least) two good ODE solvers, scipy.integrate.odeint and
scipy.integrate.vode. I don't think either is Runge-Kutta, they're
both based on established FORTRAN codes that implement adaptive
solvers that automatically switch between stiff and non-stiff solvers
as needed.

Anne