apl>" <-APL2-------------------- sam250.txt ---------------------------->
apl>" <- expand (\) with axis ------------------------------------------>
apl>L#r#2 3 4RI24
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
17 18 19 20
21 22 23 24
apl>((,r)[1 3 14 16])#'acde'
apl>r
a 2 c 4
5 6 7 8
9 10 11 12
13 d 15 e
17 18 19 20
21 22 23 24
apl>1 1 0 1\[2]r
a 2 c 4
5 6 7 8
9 10 11 12
13 d 15 e
17 18 19 20
0 0 0 0
21 22 23 24
apl>L#f#2 2 2R`Z[2]8 2RI16
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
apl>1 0 1\[2]f
1 2 3 4
0 0 0 0
5 6 7 8
9 10 11 12
0 0 0 0
13 14 15 16
apl>L#g#2 2 2R1 (2 3) 4 (5 6) 7 (8 9) 10 (11 12)
1 2 3
4 5 6
7 8 9
10 11 12
apl>1 0 1\[2]g
1 2 3
0 0
4 5 6
7 8 9
0 0
10 11 12
apl>L#t#2 1 3RI6
1 2 3
4 5 6
apl>1 0 0 1\[2]t
1 2 3
0 0 0
0 0 0
1 2 3
4 5 6
0 0 0
0 0 0
4 5 6
apl>L#m#3 4R'a' 'b' 1 'c' 2 3 4 5 6 7 8 9
a b 1 c
2 3 4 5
6 7 8 9
apl>1 0 0 1 1 `\ m
a b 1 c
2 3 4 5
6 7 8 9
apl>1 0 0 1 1 \[1] m
a b 1 c
2 3 4 5
6 7 8 9
apl>L#m#3 2RI6
1 2
3 4
5 6
apl>(1 1 0 0 1\[1]m)#5 2R_I10
apl>m
-1 -2
-3 -4
-9 -10
apl>)off