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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Non-linear optimization
Date: Wed, 6 Mar 2013 21:19:09 +0000 (UTC)
Organization: FOGALE nanotech
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"Matt J" wrote in message <kh89he$4al$1@newscl01ah.mathworks.com>...

>  f(x)=(sqrt(F(x)-f_low))^2

What you write is

f(x) = abs(F(x)-f_low) = F(x)-f_low

Minimizing f(x) is the same as minimizing F(x). How far do we get?

Bruno