[email protected] wrote: > Hi, > I am trying to fit the nonlinear equation: > P = C0 + C1*X + C2*X^r > where C0, C1, C2 and r are variables to be fitted, P and X are vectors > of known observations. > I have read the docs and I'm trying to modify the example program. I'm > struggling to provide the expb_f, expb_df, expb_fdf functions. > I would like advice on how to proceed.
Can you post a short version of the program you have composed so far? -- "Now feel the funk blast!" Rage Against the Machine - "Calm like a bomb"
