Is it possible to provide initial guesses in cftool?

조회 수: 1 (최근 30일)
Chris
Chris 2019년 10월 14일
댓글: Chris 2019년 10월 29일
I've gotten some functions to fit by including the initial guess times one plus a fit parameter. Awkward! An initial guess for each parameter should be an optional field.
  댓글 수: 2
Walter Roberson
Walter Roberson 2019년 10월 14일
It is not currently possible.
Chris
Chris 2019년 10월 29일
I subsequently found that I had overlooked the dialog box in which guesses can be entered (it had been minimize such that I did not see those options). Ignore this whole thread.

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Alex Sha
Alex Sha 2019년 10월 14일
Yes, it is possible if using global optimization algorihms (the curve fitting functions built in Matlab, i.e. cftool, lsqcurvefit, are all drived by local optimization algorithms), try Global Optimization Toolbox in Matlab, or other packages like Lingo, 1stOpt, Baron.

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