# Math Assignment Help With Types Of Matrices

## 3.2 Types of Matrices:

i) Row Matrix: A matrix having only one row is called row matrix.

Example: A = [ 5 7 ] is a row matrix of order 1 x 2

ii) Column Matrix: A matrix having only one column is called a Column matrix.

###  iii) Zero or null Matrix: A matrix whose each element is zero is called a zero or a null matrix.

### A matrix of order n x n is called a square matrix.

v) Diagonal Matrix: A square in which every nondiagonal element is zero, is called a diagonal matrix.

### It is also written as A = diag [ 1 4 6 ]

vi) Scalar Matrix: In a scalar matrix every nondiagonal element is zero and all diagonal elements are equal.

### vii) Unit Matrix: A scalar matrix in which every nondiagonal element is zero and each diagonal element is 1.

### It is also known as identity matrix.

### ix) Equal Matrix: Two or more matrices are said to be equal matrices if they are of the same order and are having same elements.

### Since the corresponding elements of equal matrix are equal, therefore;

x = 4 ; y = 5

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