cafe_minimize_chisq

           chi^2 metric function

           cafe

           minimize,chisq

           - x, y, error, model(x)
           - parameter of the model

           Returns the chi^2-value for given set of parameters:
           chi^2 = sum((y-model(x))^2/error^2)

           None.

           $Id: cafe_minimize_chisq.pro,v 1.2 2005/01/04 10:56:05 goehler Exp $

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