odometer is definitely the way to go compared to my idea
On Fri, Dec 18, 2015 at 8:29 AM, Raul Miller <[email protected]> wrote: > http://www.jsoftware.com/jwiki/Essays/Odometer might interest you. > > Thanks, > > -- > Raul > > > On Fri, Dec 18, 2015 at 7:58 AM, 'Jon Hough' via Programming > <[email protected]> wrote: >> I've spent an hour on this, and am frustrated that I couldn't figure out a >> way to do it (without using for_j or while). >> >> I want to get all pairs ( pair order not important e.g. 2 3 is the same as 3 >> 2) of integers up to some value. >> >> e.g. up to 4: >> >> 0 1 >> 0 2 >> 0 3 >> 1 2 >> 1 3 >> 2 3 >> >> in frustration this is what I came up with (for the case of 10): >> /:~ ~. /:~"1 (1000 # 2) ? 10 >> >> which works but is not a very good solution. >> >> Any nice solutions? >> >> Thanks, >> >> Jon >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
