apl>" <-APL2-------------------- sam204.txt ---------------------------->


apl>" <------------------------Index with Axis-------------------------->


apl>a#2 3 4RI24


apl>2`Q[1]a

13 14 15 16
17 18 19 20
21 22 23 24

apl>a[2;;]

13 14 15 16
17 18 19 20
21 22 23 24

apl>(1 3)4`Q[2 3]a

 4 12
16 24

apl>a[;1 3;4]

 4 12
16 24

apl>)off