[SciPy-user] ODE solvers and Scipy

Robert Clewley rclewley at cam.cornell.edu
Sat Aug 12 20:02:01 CDT 2006

On Sat, 12 Aug 2006, A. M. Archibald wrote:

> More seriously, if there are parts of the solution space that cause
> problems (the solution approaches a singularity, or the edge of a
> coordinate patch), there is no really effective way to bring the
> solution up to the edge and then stop. This is because lsoda doesn't
> do that - that feature is in lsodar.f (
> http://www.netlib.org/alliant/ode/prog/lsodar.f ), which has not
> (yet?) been wrapped in python.

I believe that lsodar *has* been wrapped as part of the sourceforge 
"SloppyCell" project for systems biology modelling. That package 
provides event detection for stopping integration under circumstances 
such as you mention, as does PyDSTool.


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