The Even-length Savitzky-Golay Filter

Version 1.0.0.0 (2.24 KB) by Jianwen Luo
The even-length Savitzky-Golay filter with a Gram polynomial approach.
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Updated 13 Jun 2005

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The even-length Savitzky-Golay filter (i.e., polynomial filter or least-squares filter) for data smoothing and differentiation.

The filter coefficients are calculated with the recursive properties of Gram polynomials so as to avoid the inaccuracy in a matrix approach (http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=4038&objectType=file) due to ill-conditioned matrix.

Cite As

Jianwen Luo (2025). The Even-length Savitzky-Golay Filter (https://www.mathworks.com/matlabcentral/fileexchange/7835-the-even-length-savitzky-golay-filter), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14SP1
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.0.0.0