Thanks a lot. I always forget about boxed lists. Applying ; to that gives exactly what I want. Is there any way to do it without boxing, though? This will be applied many times and I don't know how efficient this will be.
On 7 September 2010 21:32, Dan Bron <[email protected]> wrote: > You want m&.> f . Note this is rank 0 already, so no reason for an > explicit"0 . > > I'm on the road right now so I can't post a fuller explanation, but it might > be understandable if you're told that <@m"0 f is equivalent, and that > is > both scalar (rank zero) and an identity function on an open (non-boxed) noun. > > -Dan > > > > > Please excuse typos; composed on a handheld device. > > -----Original Message----- > From: Justin Paston-Cooper <[email protected]> > Sender: [email protected] > Date: Tue, 7 Sep 2010 21:09:37 > To: <[email protected]> > Reply-To: Programming forum <[email protected]> > Subject: [Jprogramming] Collecting Results > > Hello, > > Let's say I have a monad m " 0 and a 1-dimensional array f. The monad > returns 1-dimensional arrays of varying results which may include 0. I > would like to efficiently apply the monad m to array f and collect the > results returned by m in a 1-dimensional array. m f would not be > satisfactory because 0s may be added to the ends of the results which > are shorter than the longest result. Is this possible? Thanks for your > advice in advance. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
