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14 Apr 2009 Generalized Nonlinear Non-analytic Chi-Square Fitting Performs chi-square fit with uncertainty estimation when measurement errors are known. Author: Nathaniel Brahms

The output uncertainty of fit parameters is incorrect. The function is also slow compare to fminsearch. I actually trust the best fit value from fminsearch more than the one from this code, parameter uncertainty can probably be estimated using algorithm of Jone D'Errico.

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