File:Walsh spectra of family patina.svg

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Description

The Walsh spectrum of patina is (8, 0, 2, 2, 2, -2, 4, 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
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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:08, 30 October 2023		638 × 319 (310 KB)	Watchduck	Uploaded own work with UploadWizard

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