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is there a fast numeric algorithm to approximate the maximum of an given function in an interval [x,y] without calculate the derivation of the function?

I only know about solver to calculate the roots (like the Brent method)

greetings

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up vote 3 down vote accepted

If its a function of one variable, then use the golden section search. If its is function of multiple vars, then use Downhill Simplex

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yeah! that's it! thank you :) –  501 - not implemented Oct 6 '12 at 18:55
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