C = A
* B
p x q p x n
n x q
( 0 5 -3 )
A = ( 1 2 3 ) and B = ( 4 -1 -1 )
( 4 5 6 )
( -4 -3 3 )
A * B = ( 1*0 + 2*4 + 3*(-4) == -4
1*5 + 2*(-1) + 3*(-3) == -6
1*(-3) + 2*(-1) + 3*3 == 4 ) // "1st row"
(
4*0 + 5*4 + 6*(-4) == -4
4*5 + 5*(-1) + 6*(-3) == -3
4*(-3) + 5*(-1) + 6*3 == 1 ) // "2nd row"
= ( -4 -6 4 ) // "1st
row"
( -4 -3 1 )
// "2nd row"