The Even-length Savitzky-Golay Filter
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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.
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Jianwen Luo (2024). The Even-length Savitzky-Golay Filter (https://www.mathworks.com/matlabcentral/fileexchange/7835-the-even-length-savitzky-golay-filter), MATLAB Central File Exchange. Recuperado .
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- Signal Processing > Signal Processing Toolbox > Digital and Analog Filters > Digital Filter Analysis >
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