Uses and Example | Matrices

Matrices are used for representing a mathematical object, it makes our calculations easy.

For example, $A = \begin{bmatrix}2 & 1\\
5 & 8
\end{bmatrix}$ is matrix with 4 elements.

Here $a_{11}$=2, $a_{12}$=1, $a_{21}$=5, and $a_{22}$=8.