Re: simulating dynamical systems with arbitrary external inputs using lsode

[Scott Kuntze]

John W. Eaton wrote:
> It's not find that is causing trouble, it is that you are using ==
> here.  That can only return a value when T is exactly equal to one of
> the values in your TVALS array, which isn't likely to happen.  The
> function I posted computes values of U between data points using a
> zero order hold.
>   

Thanks for the help -- silly oversight on my part but your explanation 
was very helpful.