VODE solver....supplying Jacobian

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Posted by Jason on August 08, 1998 at 10:50:38:

I am trying to solve a relatively small number of stiff
First order ODE's. To do this I am trying to use

Though this program can calculate the Jacobian, the
instructions suggest that, if possible, it is supplied.
Is there any reason why a Jacobian that I supply would
be better than letting the code calculate one itself?

Also, what are the advantages of banding the Jacobian
and why would I want to do this?

Thanks in advance


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