a=:1$3 a 3 3= 2 3 5 3 4 0 1 0 1 0 a= 2 3 5 3 4 |length error | a =2 3 5 3 4 ".a |domain error | ".a a+5 8
Clearly, a is numeric. How can I change a to a numeric atom 3 , rather than a one element list 3 ? I need to find where the 3's are in a list. The result of executing some expression has produced a one item list of a 3 . I think I may have known how in APL once upon a time. Linda ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
