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Topic: Non-linear optimization
Replies: 32   Last Post: Mar 8, 2013 2:22 AM

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Matt J

Posts: 4,997
Registered: 11/28/09
Re: Non-linear optimization
Posted: Mar 7, 2013 3:48 PM
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"Toan Cao" <> wrote in message <khatls$bf4$>...
> Hi Matt J,
> Thanks for your consideration!
> Yes, i know what you mean in order to implement easily for my problem. However, in limited space of the text, i can not explain why i need rotation matrices to describe movements of points. It is reason i just explain main idea of the cost function.
> If you would like to know more, i can show the paper i read and want to implement, its title: "Embedded deformation for shape manipulation". Its cost function is expressed in section 4.
> So, when applying LSQNONLIN, i am confused which option (1 or 2) i use for f(x)=[f{1}(x),f{2}(x),...,f{n}(x)]' ?
> I am willing to receive any your suggestion for my case.



The square roots are bad, because they introduce non-differentiabilities into the cost function.

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