That's the odometer function, no? You have already given us (#:
i.@:(*/)) y . I don't want to do anything to put users in mind of ({ y)
which can get out of hand quickly.
In the thread, we were looking for the nonzero values of y, so (4 $. $.)
is spot on.
Henry Rich
On 11/13/2020 10:54 PM, Roger Hui wrote:
Another candidate is >,{i.&.>$x . (4 $. $.) has the "problem" that indices
corresponding to 0 elements are excluded.
On Fri, Nov 13, 2020 at 6:59 PM Henry Rich <[email protected]> wrote:
Ric Sherlock has suggested that (4 $. $.) would be an idiom worthy of
special code. I agree & will do it sometime.
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