revised 08/01/00, 07/29/03, 10/25/05, 07/25/09, 03/15/2015

This chapter examines further properties of the matrix-matrix product and two special types of matrices.

- Identity Matrix
- Matrix Inverse
- Singular and non-singular Matrices
- Determinant of a Singular Matrix

For this chapter all matrices are square.

(Review: ) What is a square matrix?