# What is a Matrix?

Before discussing the types of matrix, let's discuss what a matrix is.

• A matrix is a rectangular array of numbers or symbols which are generally arranged in rows and columns.

• The order of the matrix is defined as the number of rows and columns.

• The entries are the numbers in the matrix and each number is known as an element.

• The plural of matrix is matrices.

• The size of a matrix is referred to as ' by ${\mathrm{\prime }}^{}$ matrix and is written as , where is the number of rows and $m$ is the number of columns.

• Matrix example, we have a matrix, that's because the number of rows here is equal to 3 and the number of columns is equal to

known as a matrix.

Mayank Rai

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