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
