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Re: ODE 45
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From: |
Jordi Gutiérrez Hermoso |
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Subject: |
Re: ODE 45 |
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Date: |
Wed, 14 Sep 2011 10:34:42 -0500 |
On 14 September 2011 10:25, dklotzkin <address@hidden> wrote:
> I tried rewriting it to be in ps, and got the same error, which is:
>
> error: Solving has not been successful. The iterative integration loop
> exited at time t = 0.000000 before endpoint at tend = 100.000000 was
> reached. This may happen if the stepsize grows smaller than defined in
> vminstepsize. Try to reduce the value of "InitialStep" and/or "MaxStep" with
> the command "odeset".
>
> Is vminstepsize something I can set?
Are you solving a stiff equation? Have you tried with Octave's lsode?
Look at lsode_options for stiff systems.
HTH,
- Jordi G. H.