Question

What is the classification or term used for the matrix with entries (1, 0, 0), (0, 0, 0), and (0, 0, 1)?

Answer 1

The matrix with entries (1, 0, 0), (0, 0, 0), and (0, 0, 1) is a diagonal matrix.

Step-by-step explanation:

The matrix with entries (1, 0, 0), (0, 0, 0), and (0, 0, 1) is a special type of matrix called a diagonal matrix. In a diagonal matrix, all the entries outside the main diagonal (the diagonal from the top left to the bottom right) are zero.