Thank you very much! Joey Tuttle's solution looks especially intriguing, I will spend some time trying to understand it :)
2010/5/28 Björn Helgason <[email protected]> > See thread in forum "spiral order" and "spiral array" > One from 2005 and the other 2006 > > > 2010/5/28 Mark Allen <[email protected]>: > > Hi, > > > > I'm trying to do something which I thought would be simple enough, but > I'm > > having some difficulty: > > > > I want a verb that will create a spiral array of ascending integers, i.e. > > > > spiral 4 > > > > 16 15 14 13 > > 5 4 3 12 > > 6 1 2 11 > > 7 8 9 10 > > > > I thought this would be simple enough to do, yet so far, with my limited > > abilities, the solution has managed to evade me. > > > > The methods I were trying generally involved combinations of |. and |: > with > > ,. over sub arrays of >:i.16, can anyone suggest a better way? > > ---------------------------------------------------------------------- > > 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 > sími: +3544781286 > 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
