**Square Matrix**

An n × n matrix is said to be a square matrix of order n. In other words when the number of rows and the number of columns in the matrix are equal then the matrix is called square matrix.

**For example:**

The number of rows of the above matrix = 3

The number of columns of the above matrix = 3

Since the number of rows and the number of columns are equal, the above matrix A is a square matrix.

**Row Matrix**

In an m × n matrix, if m = 1, the matrix is said to be a row matrix.

If a matrix have only one row then it is called row matrix.

**Examples of row matrix:**

- [7 5] is a row matrix.

The order of the above matrix is 1 × 2

- [1 4 7] is a row matrix.

The order of the above matrix is 1 × 3

- [4 3 8 6] is a row matrix.

The order of the above matrix is 1 × 4

- [1 3 0 2 5] is a row matrix.

The order of the above matrix is 1 × 5

- [5] is a row matrix.

The order of the above matrix is 1 × 1.

- [0] is a row matrix.

The order of the above matrix is 1 × 1.

- [1 3 7 9 2 7] is a row matrix.

The order of the above matrix is 1 × 6.

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