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Walsh Basis Functions
Walsh functions are orthogonal functions that are roughly discrete analogs of sines and cosines. But unlike with sines and cosines, there are several different orderings that can reasonably be used.
Contributed by:
Stephen Wolfram
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Walsh transforms
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"
Walsh Basis Functions
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/WalshBasisFunctions/
Contributed by:
Stephen Wolfram
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