IOptimizing with relative constraints

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Jack Crenshaw
Jack Crenshaw on 25 Sep 2011
I'm trying to optimize inputs to a Simulink model. The input vector is a set of times that must be increasing monotonically. fminsearch usually works Ok, but sometimes its trial values violate this constraint, so the sim crashes.
How can I keep this constraint under control? Alternatively, how can I force the optimizer to take smaller steps?

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