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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