/⍨ by itself seems to work:
(2|⍳3) / ⍳3
1 3
(⍳3) /⍨ 2|⍳3
1 3
But inside a lambda I get a syntax error:
{(2|⍵) / ⍵} ⍳3
1 3
{⍵ /⍨ 2|⍵} ⍳3
SYNTAX ERROR
λ1[1] λ←⍵/⍨2∣⍵
^ ^
Tobia
/⍨ by itself seems to work:
(2|⍳3) / ⍳3
1 3
(⍳3) /⍨ 2|⍳3
1 3
But inside a lambda I get a syntax error:
{(2|⍵) / ⍵} ⍳3
1 3
{⍵ /⍨ 2|⍵} ⍳3
SYNTAX ERROR
λ1[1] λ←⍵/⍨2∣⍵
^ ^
Tobia