Indeed, and one can always ask the interpreter: #: b. _1 #. #. b. 0 1 1 1 (#:^:_1)b. 0 _ _ _
________________________________________ From: [email protected] [[email protected]] On Behalf Of Raul Miller [[email protected]] Sent: Wednesday, August 17, 2011 9:26 AM To: Programming forum Subject: Re: [Jprogramming] Finding numbers with _distinct_ digits On Wed, Aug 17, 2011 at 8:53 AM, Rudi Mann <[email protected]> wrote: > Isn't #:^:_1 the same as #. since they are inverse functions? Inverses are subtle things. In this case the issue is verb rank: The rank of #. is 1 1 1 and the rank of #:^:_1 is _ _ _ See also: http://jsoftware.com/help/dictionary/d202n.htm http://jsoftware.com/help/dictionary/d600n.htm -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
