[SciPy-user] integrate.odeint and event handling

Rob Clewley rob.clewley@gmail....
Wed Jan 21 12:26:28 CST 2009

On Wed, Jan 21, 2009 at 1:22 PM, Rob Clewley <rob.clewley@gmail.com> wrote:
>> odeint is a wrapper for the LSODA solver in the Fortran ODEPACK
>> library.  This library also includes LSODAR, which is LSODA with
>> root-finding (aka event detection).  Does anyone want to take a stab at
>> wrapping LSODAR?  The wrapping of LSODA with odeint provides a good
>> starting point, and an ODE solver with root-finding would be a great
>> addition to SciPy.
>> Warren
> Ryan Gutenkunst already wrapped it while working on the SloppyCell package. See
> http://osdir.com/ml/python.scientific.devel/2005-07/msg00028.html
> with a link there to the code. I've never tried it myself or even
> looked at it, FYI :)
> -Rob

PS There's some mention of Ryan's lsodar.pyf in the trunk of scipy SVN, as per


but I don't know if it's still there. If it is, is the associated pyd
now shipped with Scipy? I haven't installed a new version for months.

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