how to force lsqnonlin in matlab to give only real output?

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smabtahi
smabtahi on 3 Oct 2013
Hello everyone
I have an optimization problem and I want to solve it with lsqnonlin
[x,resnorm] =lsqnonlin(fun,x0)
fun is a complex function and so the resnorm. but x0 is real and x supposed to be real too but always become complex. How can I force lsqnonlin to give only real value for x?

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