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Patch FILTFILT 1.0

  Date Added: August 27, 2013  |  Visits: 185

Patch FILTFILT

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If applied to a matrix, the function FILTFILT (Signal Processing Toolbox) calls itself recursively for each column. Internally FILTER is called twice, but this can be performed with a matrix directly to avoid the unnecessary overhead. For a [100 x 100] matrix FILTFILT is about 10 times faster with the patch!The function PatchFILTFILT creates a copy of the original function and modifies the source such, that matrix arguments are processed directly. After patching the results and the speed are compared.NOTE: PatchFILTFILT does not contain the original source of FILTFILT, which is property of The MathWorks(R)!Tested with: Matlab 6.5.1, 7.7 (R2008b), 7.8 (R2009a). It should work with 7.0 to 7.6 also.For Matlab 7.9 (R2009b) adjustments are needed and I will add this as soon as I will get access to R2009b.Please contact me per email for problems or questions

Requirements: No special requirements
Platforms: Matlab
Keyword: Access Arguments Bplease Comparednote Contact Email Mathworksrtested Matlab Patching Problems Processed Property Questions R2008b Results Source Speed
Users rating: 0/10

License: Freeware Size: 10 KB
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