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proposal for new m-file function


From: Ben Abbott
Subject: proposal for new m-file function
Date: Wed, 21 Mar 2012 20:33:01 -0400

A user's question about fixed points piecewise-linear fitting led to the 
development of a function looks to be a good fit for Octave's core.

        
https://mailman.cae.wisc.edu/pipermail/help-octave/2012-March/050900.html

The idea was to fit a piece-wise polynomial to a set of data. After some 
discussion between myself and Martin Helm, the attached ppfit.m was produced. 
The name was chosen to match the existing ppval().

The function provides a least-squares fit of a 1D interpolation with specified 
break positions to a set of data.

Demos and tests are included.

Any concern about adding this to Octave's core ?

Ben

Attachment: ppfit.m
Description: Binary data


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