# Category:Walsh matrix

From Wikimedia Commons, the free media repository

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 4 files are in this category, out of 4 total.