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

 Messages: [ Previous | Next ]
 Matt J Posts: 4,997 Registered: 11/28/09
Re: Non-linear optimization
Posted: Mar 7, 2013 3:48 PM

"Toan Cao" <toancv3010@gmail.com> wrote in message <khatls\$bf4\$1@newscl01ah.mathworks.com>...
>
> Hi Matt J,
>
> 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.

=======

Toan,

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

Date Subject Author
3/4/13 Toan Cao
3/4/13 Steven Lord
3/4/13 Toan Cao
3/5/13 Steven Lord
3/5/13 Toan Cao
3/6/13 Matt J
3/6/13 Matt J
3/6/13 Toan Cao
3/6/13 Matt J
3/4/13 Matt J
3/4/13 Toan Cao
3/5/13 Matt J
3/5/13 Bruno Luong
3/6/13 Matt J
3/6/13 Bruno Luong
3/6/13 Matt J
3/6/13 Bruno Luong
3/6/13 Matt J
3/6/13 Bruno Luong
3/6/13 Matt J
3/7/13 Bruno Luong
3/7/13 Matt J
3/7/13 Bruno Luong
3/7/13 Matt J
3/7/13 Bruno Luong
3/7/13 Matt J
3/7/13 Bruno Luong
3/8/13 Matt J
3/8/13 Bruno Luong
3/7/13 Toan Cao
3/7/13 Matt J
3/7/13 Toan Cao
3/7/13 Matt J