```Date: May 2, 2012 5:44 AM
Author: Torsten
Subject: Re: Maximize function with fminsearch

On 2 Mai, 09:30, "Francesco Perrone" <francesco86perr...@yahoo.it>wrote:> Good Morning everybody,>> I have a pretty straight-forward question: within my daily work, I have got to maximize a particular function making use of fminsearch; the code is this>>  clc>  clear all>  close all>>  f = @(x,c,k) -(x(2)/c)^3*(((exp(-(x(1)/c)^k)-exp(-(x(2)/c)^k))/((x(2)/c)^k-(x(1)/c)^k))-­exp(-(x(3)/c)^k))^2;>  c = 10.1;>  k = 2.3;>  X = fminsearch(@(x) f(x,c,k),[4,10,20]);>> It works fine, as I expect, but not the issue is coming up: I need to bound x within certain limits, as:>   4 < x(1) < 5>  10 < x(2) < 15> 20 < x(3) < 30>> To achieve the proper results, I should use the optimization toolbox, that I unfortunately cannot hand.>> Is there any way to get the same analysis by making use of only fminsearch?>> I thank you in advance.>> Best regards,> FrancescoSure.In your objective function, replace x(1) by 4.5+0.5*sin(x(1)), x(2) by12.5+2.5*sin(x(2)) and x(3) by 25+5*sin(x(3)).Best wishesTorsten.
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