Yes! Linda
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Björn Helgason Sent: Sunday, November 20, 2011 8:54 AM To: Programming forum Subject: Re: [Jprogramming] table challenge in simple J f=. 13 : 0 ('';,.x),.(y);x +/ y ) f ('' ; [: ,. [) ,. ] ; +/ 2011/11/20 Kip Murray <[email protected]> > Now make this into a tacit verb table so that a table b gives you the > table. > > On 11/20/2011 7:09 AM, Björn Helgason wrote: > > or > > > > ('';,.a),.(b);a +/ b > > > > 2011/11/20 Björn Helgason<[email protected]> > > > >> > >> Ok it is simple j we are after > >> We start by defining a and b > >> > >> a=: 2 3 5 > >> b=: 0 1 2 3 > >> > >> Then we create the elements we want > >> > >> '';b;a;a +/ b > >> ┌┬───────┬─────┬───────┐ > >> ││0 1 2 3│2 3 5│2 3 4 5│ > >> ││ │ │3 4 5 6│ > >> ││ │ │5 6 7 8│ > >> └┴───────┴─────┴───────┘ > >> > >> Now we rearrange a so it goes down in a column > >> > >> '';b;(,.a);a +/ b > >> ┌┬───────┬─┬───────┐ > >> ││0 1 2 3│2│2 3 4 5│ > >> ││ │3│3 4 5 6│ > >> ││ │5│5 6 7 8│ > >> └┴───────┴─┴───────┘ > >> > >> Next we arrange it in a 2 by 2 > >> > >> ('';b),.(,.a);a +/ b > >> ┌───────┬───────┐ > >> │ │2 │ > >> │ │3 │ > >> │ │5 │ > >> ├───────┼───────┤ > >> │0 1 2 3│2 3 4 5│ > >> │ │3 4 5 6│ > >> │ │5 6 7 8│ > >> └───────┴───────┘ > >> > >> ooppss wrong wa around we fix it with transpose > >> > >> > >> |:('';b),.(,.a);a +/ b > >> ┌─┬───────┐ > >> │ │0 1 2 3│ > >> ├─┼───────┤ > >> │2│2 3 4 5│ > >> │3│3 4 5 6│ > >> │5│5 6 7 8│ > >> └─┴───────┘ > >> > >> > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: [email protected] 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
