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From Bear Giles <>
Subject [math] FFT
Date Tue, 24 May 2005 03:05:44 GMT
Cleaning out some old files from a grad class.  I have one- and 
two-dimensional FFT code in C, ported to Java.  It's from the 
"Numerical Recipes" book so it's limited to 2^n.

It needs unit tests and test cases.

FFT begs the question of generalizing to Discrete Wavelet 
transformations (DWT).

If I can find my notes I'll also be able to contribute multigrid 
code.  This is a fairly efficient algorithm to solve PDQs.  I'll 
leave it to others to add support for parallel- and 


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