($ #: I.@,) y Henry Rich
On 12/11/2023 5:06 AM, LdBeth wrote:
I've been running to too many situations that I uses 4$.$.y a lot to get indexes of all non zero elements to an array, I wonder if there are any alternative ways to do that in J, especially when y is a boolean array. Also monadic I. only works for 1D array, while ⍸ from APL works for higher dimension cases, how to implement this in J? LdBeth ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
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