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Re: Notes on CURVEFIT.PRO [message #568]

Tue, 06 October 1992 10:16

knight
Messages: 37
Registered: January 1992

Member

In article <5OCT199223161224@stars.gsfc.nasa.gov>, landsman@stars.gsfc.nasa.gov|> (They are simple enough to add by individual users but I think it would
|> be better if RSI would standardize them.)
|>
|> (1) Add a keyword determining the maximum number of iterations to
|> be attempted.
|> (2) Add a keyword giving the chi square of the final fit.
|> (3) Add a /DEBUG or /VERBOSE keyword giving the results of each
|> iteration (these are now commented lines in the code)
|> (4) Add a parameter to choose which parameters to hold constant and
|> which parameters to vary
I'd make this a keyword, e.g., /FIXED=[1,0,0,1,0] to hold the first and fourth
parameters constant.

|> (5) Maybe use the STATUS parameter of the INVERT function to signal
|> a small pivot element
I would also add:

(6) Optional upper and lower bounds for varied parameters.
--
=Fred Knight (knight@ll.mit.edu) (617) 981-2027
C-483\\MIT Lincoln Laboratory\\244 Wood Street\\Lexington, MA 02173

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		Re: Notes on CURVEFIT.PRO By: knight on Tue, 06 October 1992 10:16
		Re: Notes on CURVEFIT.PRO By: landsman on Tue, 06 October 1992 09:42

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