Source of WHT

TITLE:WHT, Walsh–Hadamard transform (ウォルシュ・アダマール変換)
[[FourierTransform]] > [[WHT]]

- https://en.wikipedia.org/wiki/Fast_Walsh%E2%80%93Hadamard_transform
- https://jp.mathworks.com/help/signal/examples/discrete-walsh-hadamard-transform.html

* 関連 [#rel]

- [[DCT]]
- [[FFT]]