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From: "Steven_Lord" <slord@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Non-linear optimization
Date: Tue, 5 Mar 2013 10:18:13 -0500
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"Toan Cao" <toancv3010@gmail.com> wrote in message 
news:kh3p76$mhd$1@newscl01ah.mathworks.com...
> "Steven_Lord" <slord@mathworks.com> wrote in message 
> <kh2ni9$9ar$1@newscl01ah.mathworks.com>...

*snip*

> As i know, Levenberg-Marquardt, Gauss-Newton methods use f(x) to calculate 
> the Jacobian matrix. If i just have F(x) ( not f(x) ), how does 
> optimization solvers compute this matrix? Can you explain for me the way 
> that the solvers  implement ?

I believe the documentation for Optimization Toolbox and Global Optimization 
Toolbox describe the algorithms the functions in those two toolboxes use in 
some detail.

> Actually, i need to understand more deeply and hope to modify somethings 
> for my specific function.

Why? What's your application?

-- 
Steve Lord
slord@mathworks.com
To contact Technical Support use the Contact Us link on 
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