(i)
Column matrix
A matrix is said to be a column matrix if it has only one column For example,  
0
3
A
1
1/ 2








=
−





 is a column matrix of order 4 × 1 In general, A = [aij] m × 1 is a column matrix of order m × 1 (ii)
Row matrix
A matrix is said to be a row matrix if it has only one row