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