I am not missing the point but I think you are. When you use the same name you are doing the replace of elements in place. Sometimes assigning the same data to different names there is no copy right away.
2012/1/6 Blake McBride <bl...@mcbride.name> > I think you are missing my point. My point is that indexed > assignments COPY the array instead of just making a minor modification > to an existing array. I will comment about the speed on the following > email. > > Thanks. > > Blake McBride > > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm