apl>" <------------------------- sam053.txt ---------------------------->


apl>" <--- Outer Product ----------------------------------------------->


apl>  a J . X a # 1 2 3 4

1 2  3  4
2 4  6  8
3 6  9 12
4 8 12 16

apl>  a J . * a

1  1  1   1
2  4  8  16
3  9 27  81
4 16 64 256

apl>  a # 1 2 3


apl>  b # 1 2 3 4 5


apl>  aJ.Xb

1 2 3  4  5
2 4 6  8 10
3 6 9 12 15

apl>  aJ.<b

0 1 1 1 1
0 0 1 1 1
0 0 0 1 1

apl>)off