Butch Lakeshore wrote:
> I started a new J session and did the following:
>
> powGB=: (**:)/@(|.@|....@#:@]{1x,[)
You have the wrong version of powGB . See that |.@|.@ in there? That's a
no-op (the reverse of the reverse). Use the
version Bill posted earlier:
powGB =: (* *:)/@(|....@#:@] { 1x , [)
Just copy & paste it -- don't retype it.
-Dan
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