糤 >:  0 0 0 ぃ

>:y 眔 y+1 .ㄒ:
   >: 2 3 5 7
3 4 6 8
Also see Not(-.).
 
  x>:y 1 x ぃ y.

See Equal (=) for a discussion of tolerance. >:!.t uses tolerance t .
 

   +: i. 6                    案计
0 2 4 6 8 10

   >: +: i. 6                 计
1 3 5 7 9 11

   odds=: >:@+:@i.
   odds 10
1 3 5 7 9 11 13 15 17 19

   +/ odds 10
100

   (+/@odds , *:) 10           n 计单 n キよ
100 100

   >:/ ~ i. 5                 >: 蛮娩
1 0 0 0 0
1 1 0 0 0
1 1 1 0 0
1 1 1 1 0
1 1 1 1 1

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