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These are questions asked by ABond

Hi everyone,

My question is as following:

Given the numeric solution to the dsolve call as a procedure, I define a function of this procedure, say

u(x(t),t), where x(t)=proc(t)..proc - output from dsolve/numeric

Is there a way to have u as a function of t only and not of procedure x(t) and t?

Thanks in advance for any help

Hi everyone.

I am currently trying to write the gradient projection algorythm for an optimal control problem with Maple.

This involves calculation of the gradient of the objective function at every new iteration, which would be not a problem per se. However, in optimal control problem this last depends on state and costate variables which, in turn, are given by the system of ODEs. This system is solved numerically only. As far as I understood Maple is recalculating...

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