> On Jul 2, 2020, at 3:18 PM, Piet de Jong <[email protected]> wrote: > > My issue is not with x and y insofar as (u F:. v) is concerned. I agree it > makes sense for x to be 'control information/initial condition' and y the > ’data’. > > My concern is with x and y insofar as v is concerned. Each item in y for > the verb (u F:. v) now becomes x for the verb v. So the data items y > become x’s from v’s point of view.
It's consistent with the existing primitives. ]F.:(+([[[:echo;)'=';[;'+';]) i.4 ┌─┬─┬─┬─┬─┐ │5│=│2│+│3│ └─┴─┴─┴─┴─┘ ┌─┬─┬─┬─┬─┐ │6│=│1│+│5│ └─┴─┴─┴─┴─┘ ┌─┬─┬─┬─┬─┐ │6│=│0│+│6│ └─┴─┴─┴─┴─┘ 6 (+([[[:echo;)'=';[;'+';])/i.4 ┌─┬─┬─┬─┬─┐ │5│=│2│+│3│ └─┴─┴─┴─┴─┘ ┌─┬─┬─┬─┬─┐ │6│=│1│+│5│ └─┴─┴─┴─┴─┘ ┌─┬─┬─┬─┬─┐ │6│=│0│+│6│ └─┴─┴─┴─┴─┘ 6 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
