Thanks - I used NuVoc, and couldn't see the idiom that I wanted - a bit of chicken and egg!
cheers Chris On 28 October 2014 14:11, Joey K Tuttle <[email protected]> wrote: > In APL i. 10 (using i. for iota) gives 1 2 3 … > > In J i. 10 gives 0 1 2 … > > APL’s choice of counting origin 1 is one issue - > > In J > > 2 +/\ >:i. 10 > 3 5 7 9 11 13 15 17 19 > > The J Dictionary is a good reference. > > > > On 2014 Oct 27, at 19:59 , Chris Wright <[email protected]> wrote: > > > > in apl (using i. for iota) > > > > 2+/i.10 > > > > gives pair wise additions > > > > 3 5 7 9 11 13 15 17 19 > > > > but j gives: > > > > 2 3 4 5 6 7 8 9 10 11 > > > > is there an n-wise reduction idiom or glyph for j? > > > > cheers and thanks > > > > Chris > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
