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Some questions about LTFAT wavelets

From: Alasdair McAndrew
Subject: Some questions about LTFAT wavelets
Date: Tue, 20 Jan 2015 20:54:44 +1100

In attempting to find an implementation of the fast wavelet transform, I downloaded and installed the LTFAT package, which has what looks to be a fairly full-featured wavelets module.
  1. Without going through all the wfilt_* functions, is there a list of all the wavelets and wavelet families supported by LTFAT?

  2. On some wavelets, wfiltinfo produces errors.  For example: wfiltinfo('dden5') gives a nice figure full of graphs, but wfiltinfo('db4') produces one graph, and then:

    error: cellfun: dimensions mismatch
    error: called from:
    error:   /usr/share/octave/3.8.1/m/plot/appearance/axis.m at line 348, column 14
    error:   /usr/share/octave/3.8.1/m/plot/appearance/axis.m at line 374, column 8
    error:   /usr/share/octave/3.8.1/m/plot/appearance/axis.m at line 231, column 7
    error:   /usr/share/octave/3.8.1/m/plot/appearance/axis.m at line 149, column 7
    error:   /usr/share/octave/packages/ltfat-2.0.1/wavelets/wfiltinfo.m at line 81, column 1

    What's going on here, and how do I overcome it?
Thanks very much!


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