Walsh matrix: Difference between revisions

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[[File:Walsh_subplots.svg|center]]
 
=={{header|Mathematica}}/{{header|Wolfram Language}}==
<syntaxhighlight lang="Mathematica">
WalshMatrix = Nest[ArrayFlatten@{{#, #}, {#, -#}} &, 1, #] &;
WalshMatrix[4] // MatrixPlot
</syntaxhighlight>
 
{{out}}
[[File:Walsh4Mathematica.png|thumb|center]]
 
=={{header|Maxima}}==
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