Dear experts, I need to minimize a function subject to nonlinear constraints. I heard about Minuit, and that it is a great tool. But I read some old forums [2001-2003] where it was said that the Minuit cannot handle constraints. Since then has minimization subject to constraints been implemented i…

Hi Cesar, Yes, Minuit is a fantastic tool to minimize functions and of course it can handle constrains on the fitting parameters. Generally speaking it is used by several ROOT classes, like the TH1,2,… to fit functions to data distributions by minimizing a sum of squares (chisquare, Gaussian dat…