(- ^: (trigger */@:-.@e.~ ])^:_ ) 2 3 5 7 2 3 5 7 (- ^: (trigger */@:-.@e.~ ])^:_ ) 33
goes into a seemingly endless loop 2011/10/8 Raul Miller <rauldmil...@gmail.com> > On Sat, Oct 8, 2011 at 12:19 PM, David Vaughan > <purpleblue...@googlemail.com> wrote: > > Could you maybe explain how that tacit verb works (and how it works with > 'verb')? Is it something along the lines of, see if the input is not a > member of trigger, multiply with trigger to get 0 0 or outp1 outp2, ... then > I run out of ideas. :P > > > > On 8 Oct 2011, at 15:58, R.E. Boss wrote: > > > >> trigger=: outp1, outp2 > >> > >> verb ^: (trigger */@:-.@e.~ ])^:_ input > > outp1=: 2 > outp2=: 5 > trigger=: outp1, outp2 > > trigger e.~ 2 3 5 7 > 1 1 > trigger e.~ 1 2 3 4 > 1 0 > trigger e.~ 5 6 7 8 > 0 1 > trigger e.~ 9 10 11 12 > 0 0 > > -.1 1 > 0 0 > -.1 0 > 0 1 > -.0 1 > 1 0 > -.0 0 > 1 1 > > */0 0 > 0 > */0 1 > 0 > */1 0 > 0 > */1 1 > 1 > > So (trigger */@:-.@e.~ ]) is 1 when neither element of trigger is > present in its right argument and 0 otherwise. > > Meanwhile verb does whatever you need it to do (but you have not said > what that is yet, so we cannot make any useful suggestions there). > > FYI, > > -- > Raul > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: gos...@gmail.com gsm: +3546985532 twitter: @flugfiskur http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) ♖♘♗♕♔♙ `. )----' (")_(") ☃☠ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
