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i'm using minimize to "fit" a function in prime 2. However, the result simply mimics my initial guess! even as i change the initial guesses. anything i should peak at before i upload my sheet.
Hard to say without seeing what you do.
Isn't "minerr" more appropriate to fit a function? You may find examples here in the forum.
Maybe you can even use "genfit".
If you can't show your work you may consider setting up a simplified and smaller worksheet to show what you try to do.
See please Re: Why minimize not work in this Mathcad Prime 3.0 sheet?