how can we obtain the golobal minimum? in case nonconvex optimization using fmincon.
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Walter Roberson on 19 Jun 2015
If you need a global minima, then fmincon() is usually the wrong routine to use. fmincon() is a local minimizer. There are certain kinds of functions for which it will find the global minimum within the constraints, but not generally. If there is any location inside the constrained area where the partial derivatives are all nearly 0 then fmincon() may find that location even if the global minimum seems "obvious".