You can download here a small program to do nonlinear fits (polynomial, exponential, logarithmic, power, sinusoidal regressions).

Source (gzipped tar file, Unix)

Zipped executable (Windows)

I wrote it several years ago without having previously studied any serious mathematical regression theory, so it really doesn't work very well. Hopefully someone will find it useful.

- Unix: To install the program, simply uncompress it with
`tar -xzf fits.tar.gz`Then go into the subdirectory`mathlib/fits`and type`make` - Windows: To install the programm, first uncompress it with any zipper/unzipper (find one here). It is then ready-to-use.

Copyright Yann OLLIVIER 1996-1999

This software may be freely distributed as is, including this whole notice.

It may be modified, but any modification should include this whole notice as is and a description of the changes made.

This software may not be sold.

This software or any modified version of it may be freely used in free programs. The program should include a copy of this whole notice. If you want to use it in a program you sell, contact me

This software comes with absolutely no warranty.

To leave a comment: `contact` (domain) `yann-ollivier.org`