The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » Software » comp.soft-sys.matlab

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

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

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 1,717
Registered: 11/8/10
Re: How to deal with complex nonlinear least square problem?
Posted: Nov 26, 2012 8:15 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"flying" wrote in message <k8volo$2rm$>...
> 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!
> Sincerely
> Frank

|a+i*b|^2 = a^2 + b^2
for real numbers a and b.

Best wishes

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.