Torsten
Posts:
1,691
Registered:
11/8/10


Re: How to deal with complex nonlinear least square problem?
Posted:
Nov 26, 2012 8:15 AM


"flying" wrote in message <k8volo$2rm$1@newscl01ah.mathworks.com>... > 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 = min3+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 >
Hint: a+i*b^2 = a^2 + b^2 for real numbers a and b.
Best wishes Torsten.

