Roger Hui wrote: > > I suspect v"0 would serve. If it does not, > I'd like to see what such a v is. > > > > ----- Original Message ----- > From: Justin Paston-Cooper <[email protected]> > Date: Friday, October 1, 2010 9:12 > Subject: [Jprogramming] Another Abbreviation > To: Programming forum <[email protected]> > >> Hello, >> >> Is there an abbreviation or better way of doing <<($ $ >> v@,)>>, where v >> is a monad? > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > I think this much is clear: If v returns scalar, then (monadic) v"0 is equivalent to ($ $ v@,) and if result of v has rank > 0, then it is not.
For instance: a =: 1 : '$ $ u@,' v =: 5&, v"0 i. 2 2 5 0 5 1 5 2 5 3 v a i. 2 2 5 0 1 2 -- View this message in context: http://old.nabble.com/Another-Abbreviation-tp29859371s24193p29879331.html Sent from the J Programming mailing list archive at Nabble.com. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
