apl>" <------------------------- sam079.txt ---------------------------->


apl>" <--- The Indexing Function --------------------------------------->


apl>x # 2 3 5 7 11


apl>x[2]

3

apl>x[1 3 5]

2 5 11

apl>x[5 4 3 2 1]

11 7 5 3 2

apl>'ABCDEFG' [L # 4 3 R 3 1 4 2 1 4 4 1 2 4 1 4]

3 1 4
2 1 4
4 1 2
4 1 4

CAD
BAD
DAB
DAD

apl>L # m # 3 4 R I 12

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


apl>m[2;3]

7

apl>m[1 3;2 3 4]

 2  3  4
10 11 12

apl>m[;m # 2 4 R 3 1 4 2 1 4 4 1]

4 3 2 1
3 2 2 3

4 1 1 4
1 1 1 1

apl>)off