•c11 c12 c13 a11
a12 a13 a14
•c21 c22 c23 a21 a22 a23 a24
•c31 c32 c33 a31 a32
a33 a34
•c41 c42 c43 a41 a42 a43
a44
•
•
b13
•
b12 b23
•b11 b22 b33
•b21 b32 b43
•b31 b42
•b41
C is initialized to 0.0
Arrays A, B are skewed
A,
B move “across” C one step at
a time
Elements
arriving at a place are multiplied, added in