Contents

# Contents

## Idea

A square matrix $(A_{x,y})\in Mat_{n \times n}(R)$ whose values for $x\neq y$ are all zero is called a diagonal matrix.

## Properties

Diagonal matrices form the center of the ring of matrices under matrix multiplication.

## References

See also

Last revised on October 21, 2018 at 09:39:00. See the history of this page for a list of all contributions to it.