In article <grl.711172906 at groucho>, grl at brb.dmt.csiro.au (Greg Lehmann) writes:
> ... Any other pointers to
> software that can do curve fitting would be appreciated. The ability to
> filter noise, fit Gauss-Lorentz peaks and handle Xray data (voight model)
> is a big plus.
Best Least Squares Splines are good at filtering noise. Fortran code
can be found in de Boor's 'Practical Guide to Splines' and is implimented
in IMSL's Fortran Libraries ... may be worth checking out.
(deBoor's book is a useful book to have for anyone involved in curve fitting)