It looks like you are correct: it should state "1+2*|a" steps".
On Wed, Oct 30, 2013 at 12:01 PM, Vijay Lulla <[email protected]> wrote: > Dear list, > The page for i: (http://www.jsoftware.com/help/dictionary/dico.htm) lists: > > in general, i: a j. b produces the list of numbers from -a to a in b equal > steps (or in 1+2*a steps if b is 0). > > Shouldn't it be 1+2*|a? For e.g., consider the second example listed on the > page: > > i: _2 yields _2 _1 0 1 2 > > whereas according to the definition it should yield only 3 elements. Also > there is no mention of reversal. > > IMO, the definition of i. does a similar description more precisely. It > also states that using negative number causes reversal. > > Have I missed something here? If so, please point me in the right > direction. > Thanks, > Vijay. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
