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Yes! Thats what I meant, thanks a lot; Now the follow up question is how can I swap the variables to minimize, for instance in your snippet if you do /.x->a it would change x to a everywhere, but what if I have a multivariable function to minimize...
So, the end idea is I want to be able to input a set of parameters and it would output the optimum (a numeric value) . If I understand correctly what that snippet is doing is splitting the function into "pieces" and everything is setup beforehand...