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=head1 NAME
lmfit - Levenberg-Marquardt least-squares minimization
B<lmfit> is a C library for Levenberg-Marquardt least-squares minimization and curve fitting. It is mature code, based on decades-old algorithms from the FORTRAN library MINPACK.
For fitting a data set {(x_i,y_i)|i=0,1,..} by a parametric curve f(x,t), see B<lmcurve>(3).
For generic minimization of the Eucledian norm of parametric vector, see B<lmmin>(3).
For an example how to use B<lmmin>, see the source files I<lmcurve.h> and I<lmcurve.c>. Do not patch these files; copy and modify them to create your own, differently named version of I<lmcurve_data_struct>, I<lmcurve_evaluate>, and I<lmcurve>.
=head1 COPYING
Copyright (C):
1980-1999 University of Chicago
2004-2015 Joachim Wuttke, Forschungszentrum Juelich GmbH
Software: FreeBSD License
Documentation: Creative Commons Attribution Share Alike
=head1 SEE ALSO
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<a href=""><b>lmcurve</b>(3)</a>,
<a href=""><b>lmmin</b>(3)</a>
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=begin man
\fBlmcurve\fR(3), \fBlmmin\fR(3)
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=head1 BUGS
Please send bug reports and suggestions to the author <>.