Identity Matrix

The Identity Matrix (I)

Matrices of special interest to us are the square matrices with 1's on the main diagonal and 0's off the main diagonal,

This kind of matrix is called an identity matrix and is represented by I. We write I_nfor an n x n identity matrix.

A.5e

The Identity Matrix (I)

Matrices of special interest to us are the square matrices with 1's on the main diagonal and 0's off the main diagonal,

This kind of matrix is called an identity matrix and is represented by I. We write In for an n x n identity matrix.

This kind of matrix is called an identity matrix and is represented by I. We write I_nfor an n x n identity matrix.