$ accomplishes this quite nicely. 4 $ 1 2 1 2 1 2 2 5 $ 1 2 1 2 1 2 1 2 1 2 1 2
Note, however, that $ always applies to the items of its right argument; behavior with a rank >1 right argument is confusing. Marshall On Fri, Dec 30, 2011 at 1:42 PM, Johann Hibschman <jhibsch...@gmail.com>wrote: > Continuing my J 101 questions, what's the best way to do a cyclical > (as opposed to element-wise) copy? > > (2#1 2) gives (1 1 2 2), I want (1 2 1 2). The best I've come up with > is (,2#,:1 2). Is there a better way, or is that it? > > Cheers, > Johann > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
