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Gaussian Curve Fitting [message #7630] Fri, 29 November 1996 00:00
Professor Michael Alp is currently offline  Professor Michael Alp
Messages: 1
Registered: November 1996
Junior Member
Can anyone give me their benefit of their experience with Gaussian
curve fitting and (I suspect the primary culprit) curvefit.pro.
These routines are just not robust enough. 1D Gaussfit sometimes
suddenly fits very badly - due to subtle differences in the input data.
Furthermore, IDL 4.01 help refers to the keyword "NTERMS" but, my
gaussfit.pro does not accept this. Cutting and running the Gauss2Dfit
example from the help documentation caused my 100MHz pentium to hang -
at least after 30 minutes I rebooted.
The Gauss2Dfit documentation refers to the need to have the data span at
least 5-8 halfwidths - any other pearls of wisdom?

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