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
