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Can we impose a MINIMUM STEPSIZE AS A STOP CONDITION?

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I loop thousands of transient simulations in matlab and I can't find a solver setting that will stop the solver when the step size becomes very small (history of the stepsize in log file) and the simulation becomes a terrible waste of time.

Is there a way to impose a low limit on the stepsize of the solver? I tried various Stop expressions with no success (ex. stepsize-1)...

Anyone knows how to do that?

Thanks,
Frank

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