1  Equality of matrices
Definition 2 Two matrices A = [aij] and B = [bij] are said to be equal if
(i)
they are of the same order
(ii)
each element of A is equal to the corresponding element of B, that is aij = bij for
all i and j For example, 2
3
2
3
and
0
1
0
1












 are equal matrices but 3
2
2
3
and
0
1
0
1












 are
not equal matrices Symbolically, if two matrices A and B are equal, we write A = B If 
1