identity matrix example

Here you will learn what is the identity or unit matrix definition with examples. Let’s begin – Identity or Unit Matrix Definition : A square matrix A = \([a_{ij}]_{n\times n}\) is called a identity or unit matrix if (i) \(a_{ij}\) = 0 for all i \(\ne\) j and, (ii) \(a_{ii}\) = 1, for all i […]