need parentheses ((i.3) & |."(0 _) ]) i.3 |length error, executing dyad 0 1 2&|. | ((i.3)&|."(0 _)])i.3 ((i.3) & (|."(0 _) ])) i.3 0 1 2 1 2 0 2 0 1
(i.3) & |."(0 _) is ((i.3) & |.)"(0 _) On Thu, 1 Jun 2023, 'Viktor Grigorov' via Programming wrote:
Hello, I'm getting 'length error, executing monad (i.x)&|' for ((i.3) & |."(0 _) ]) i.3 but not for (i.3) ([ |."(0 _) ]) i.3 Why is that? Other primitive dyads work in rotate's place. Current nuvoc page on rotate has nothing relevant. I well may be be missing something obvious. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
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