Question

What is a null matrix give an example?

Answer 1

Null Matrix:

• If in a matrix all the elements are zero then it is called a null matrix.
• It is also called a zero matrix.

Example:

$A=\left[\begin{array}{ccc}0& 0& 0\\ 0& 0& 0\end{array}\right]$

This is the null matrix of order $2\times 3$.