($ #: I.@:,) a Untested
Henry Rich On Fri, Nov 30, 2018, 1:52 PM Skip Cave <[email protected] wrote: > Given the array a: > > ]a=.10 10$0=23|i.100 > > 1 0 0 0 0 0 0 0 0 0 > > 0 0 0 0 0 0 0 0 0 0 > > 0 0 0 1 0 0 0 0 0 0 > > 0 0 0 0 0 0 0 0 0 0 > > 0 0 0 0 0 0 1 0 0 0 > > 0 0 0 0 0 0 0 0 0 0 > > 0 0 0 0 0 0 0 0 0 1 > > 0 0 0 0 0 0 0 0 0 0 > > 0 0 0 0 0 0 0 0 0 0 > > 0 0 1 0 0 0 0 0 0 0 > > > How can I write a function 'ac' that will list the coordinates of each 1 in > the array? > > Example using array a: > > ac a > > 0 0 > > 2 3 > > 4 6 > > 6 9 > > 9 3 > > Extend to 3 or more dimensions? > > Skip Cave > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
