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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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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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    $\begingroup$ yeah! that's it! thank you :) $\endgroup$ Oct 6, 2012 at 18:55

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