Steven Taylor wrote: > a=.i.11 > 99 3 } a > |rank error > | 99 3}a
Here, 99 3 is being treated as a single word (a vector of numbers); you're asking J (99 3)} a . What you want to ask is 99 (3)} a or, equivalently, 99 (3 }) a . -Dan ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
