apl>" <------------------------- sam064.txt ---------------------------->


apl>  p # 2 3 5 7


apl>  L # e # 3 4 R I 12

1  2  3  4
5  6  7  8
9 10 11 12


apl>  L # x # 3 4 R 'ABCDEFGHIJKL'

ABCD
EFGH
IJKL


apl>" <--- Grade up ---------------------------------------------------->


apl>  A 3 5 3 2

4 1 3 2

apl>" <--- Grade down -------------------------------------------------->


apl>  W 3 5 3 2

2 1 3 4

apl>" <--- Deal -------------------------------------------------------->


apl>  a # 5 ? 15


apl>  &/aEI15 " should always produce 1

1

apl>" <--- Matrix inverse ---------------------------------------------->


apl>  M 2 2 R 1 1 0 1

1 -1
0  1

apl>" <--- Matrix division --------------------------------------------->


apl>  (2 2 R p) M 2 2 R 1 1 0 1

-3 -4
 5  7

apl>)off