# Category:Walsh matrix

A Walsh matrix is a special square matrix, that contains only 1 and -1 entries.

This category contains also matrices, that share only the pattern of a Walsh matrix,

especially binary Walsh matrices, where 1 and -1 are replaced by 0 and 1.

## Subcategories

This category has the following 3 subcategories, out of 3 total.

### N

### W

## Media in category "Walsh matrix"

The following 6 files are in this category, out of 6 total.

- Hadamard-Code.png 587 × 1,176; 2 KB

- Hadamard-Code.svg 32 × 64; 6 KB

- Parity relation 0000 0000 1111 1111.svg 968 × 306; 1.03 MB

- Sistema di riferimento tridimensionale ortogonale.png 379 × 343; 4 KB

- Walsh funtions first four.svg 800 × 600; 14 KB

- Walsh-18-Fourier.svg 460 × 810; 43 KB