Also (i. [EMAIL PROTECTED]) p 0 20 3 7 6 19 11 12 8 10 1 15 2 5 21 14 9 4 13 18 16 17 22
Variation [EMAIL PROTECTED]@]`]`]}~ p 0 20 3 7 6 19 11 12 8 10 1 15 2 5 21 14 9 4 13 18 16 17 22 --- Roger Hui <[EMAIL PROTECTED]> wrote: > Another solution. Both are well-known in APL circles. > > ] p=: ?~23 > 0 10 12 2 17 13 4 3 8 16 9 6 7 18 15 11 20 21 19 5 1 14 22 > /: p > 0 20 3 7 6 19 11 12 8 10 1 15 2 5 21 14 9 4 13 18 16 17 22 > p}~i.#p > 0 20 3 7 6 19 11 12 8 10 1 15 2 5 21 14 9 4 13 18 16 17 22 > > > > ----- Original Message ----- > From: bill lam <[EMAIL PROTECTED]> > Date: Saturday, September 8, 2007 20:01 > Subject: Re: [Jprogramming] inverse permutation vector > To: Programming forum <[email protected]> > > > Raul Miller wrote: > > > ipv=: /: pv > > > > Thank you, I didn't realize that is so simple. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ____________________________________________________________________________________ Sick sense of humor? Visit Yahoo! TV's Comedy with an Edge to see what's on, when. http://tv.yahoo.com/collections/222 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
