The identity matrix can be multiplied against another matrix and the answer is the other matrix.
This is analogous to how 1*5=5 and 1*a=a.
The two most commonly used Identity Matrices are shown below:
After looking at these two examples, you can probably guess the general template used to create an identity matrix.
An Identity matrix must be a Square Matrix.
The Identity matrix is the only matrix that is its own Inverse Matrix.
Vectoreverything 