Terrence asked: > +/ @: +/"1 w > 5 5 5 5
Henry responded:
> +/ @: (+/"1)
So long as the argument is a rank-2 array, this would also work:
+/@:,
and this is cute:
+/^:2
in general:
+/@:, -: +/^:(#@:$)
-Dan
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