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Topic: How to deal with complex nonlinear least square problem?
Replies: 4   Last Post: Nov 28, 2012 9:06 PM

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Posts: 10
Registered: 4/13/12
How to deal with complex nonlinear least square problem?
Posted: Nov 26, 2012 7:52 AM
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Hi all,
I have ecountered a problem recently.It's something about 'complex nonlinear least square'. For instance,we want to minimize object function
y = min|3+4i - x^2|^2 ,where i = sqrt(-1),x is a variable
How can i get 'x' by using matlab function 'lsqnonlin'?
If there are more variables,how can i figure this out?

Anticipating your reply,thanks!


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