Performs polynomial fits that pass through a specified point (x0,y0).The application is to give a least squares fit that is 'exact' at a desired data point, e.g. an equilibrium point in a nonlinear equation of motion implemented via polynomial approximation. Discussion of theory included in m-file comments.
This has been tested under Matlab Versions 4.2c and 5.2 release 10.
Performs as specified.
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