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File:Walsh spectra of family dukeli.svg

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dukeli

The Walsh spectrum of dukeli is (8, 4, 2, 2, 2, -2, 0, 0, 4, 0, -2, -2, 2, -2, 0, 0).

Image set Walsh spectra of 4-ary Boolean functions; families

The matrix on the left is the family matrix of Boolean function in its top row.

The number rows on the right are the corresponding Walsh spectra. They differ only in their signs.
The distribution of signs corresponds to the pattern of a Walsh matrix, which is highlighted in blue.

The red background in the matrix on the right represents 1s in the binary Walsh spectrum, shared by these functions.

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Watchduck
You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".

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current13:06, 30 October 2023Thumbnail for version as of 13:06, 30 October 2023638 × 319 (308 KB)Watchduck (talk | contribs)layout
16:19, 17 February 2023Thumbnail for version as of 16:19, 17 February 2023638 × 319 (352 KB)Watchduck (talk | contribs)clones
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