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   -> Volume 2, Issue 4


Question concerning Numerical Recipes software
 
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Guru Prasad, Yale University
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PostPosted: Fri Nov 29, 2002 2:27 pm    
Subject: Question concerning Numerical Recipes software
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Question concerning Numerical Recipes software

I got through ananymous ftp, thanks to W. Press, software in FORTRAN
for 1-d (vector) and 2-d (matrices) wavelet transforms. It has 2 options
i) D4 wavelets or
ii) D4, D12 or D20 wavelets
When I try using these programs to wavelet transform matrices, I get
different results from D4 of (i) which used subroutine DAUB4 explicitly
and from D4 option of (ii) where user has to preset the wavelets he wants.
I am puzzeled about this unable to figure out some thing wrong
in my using the code or understanding or bug in one of the options
Any comments from whoever experienced with these softwares?

Thanks,

Guru
prasad-guru@cs.yale.edu
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