*A(m, :) give the all values of mth row
*A(:, n) give the all values of nth column
>> Z=[4 5 6; 8 8 6; 5 8 3]
Z =
4 5 6
8 8 6
5 8 3
*A(m, :) give the all values of mth row
>> Z(3,:)
ans =
5 8 3
*A(:, n) give the all values of nth column
>> Z(:,3)
ans =
6
6
3