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WaveletSquare.m

Usage : WaveletSquare(sig)
   
Input : sig an \( n\times n\times 3 \) array corresponding to
   
  the \( (x,x) \), \( (y,y) \) and \( (x,y) \) diffusion coefficients.


The output is an \( (n-1)\times (n-1)\times 4\times 3 \) array corresponding to the value of the Haar Wavelet coefficients.



Yves Capdeboscq 2002-01-15