2D Walsh Functions


	Walsh functions are a discrete analog of the sines and cosines of Fourier transforms.


	Contributed by: Stephen Wolfram
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Walsh Function (Wolfram MathWorld)

"2D Walsh Functions" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/2DWalshFunctions/

Contributed by: Stephen Wolfram

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Calculus
Harmonic Analysis
Special Functions

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