Re: Quantlib's equivalent of Matlab's lsqnonlin

Posted by nabbleuser2008 on
URL: http://quantlib.414.s1.nabble.com/Quantlib-s-equivalent-of-Matlab-s-lsqnonlin-tp6162p6169.html

When I ran my program, I am getting a large number of messages saying
"root not bracketed".

Does that mean I am not reaching the global minimum in the optimization? If so, are there any suggestions to improve my calibration ?

Thanks much.

CJ