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Questions on the wavelet analysis functions of Mathematica.

6 votes
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Is wavelet a Nonlinear transform, or Not?

While it may be a complicated question about whether the Continuous Wavelet Transform (CWT) in general is a linear operator, it is possible to answer the question "experimentally" without undue hassl …
bill s's user avatar
  • 69.7k
2 votes

How to recover data from a DiscreteWaveletTransform with Battle-Lemarie Wavelets?

When taking transforms and their inverses, it is necessary to use the same options in both operations. In your case, you need to tell the InverseWaveletTransform to use the BattleLemarieWavelet option …
bill s's user avatar
  • 69.7k