Try this: if you join a length-m vector to a length-n vector, the resultant vector has length m+n. Make sense? The statement remains true when m or n or both are 0.
On Fri, Jan 11, 2013 at 9:11 AM, Steven Taylor <tayl...@gmail.com> wrote: > thanks for the reply. I can see that this is consistent for rank 2 and > above. The rank 1 case is the bit that isn't making sense to me right now. > > (n$0) , i. 2 [ n=: 0 > 0 1 > (n$0) , i. 2 [ n=: 1 > 0 0 1 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
