0 : 0
I'd like to get would like to get the same result
for each pair of cases i. & ii., a) & b)
AIM: same result regardless of rank 1 or rank 2.
>= rank 3 is not defined.
)
NB. i)
0 _1&{ (1 2 3 4 5)
1 5
NB. ii)
0 _1&{ (1 2 3 4 5,: 6 7 8 9 10)
1 2 3 4 5
6 7 8 9 10
NB. a)
({.L:0) (1 2 3 4 5)
1
NB. b)
({.L:0) (1 2 3 4 5,: 6 7 8 9 10)
1 2 3 4 5
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