For a scalar primitive like plus, the shape of the result of table is simply the concatenation of the shapes of the left and right arguments: (($a),$b) -: $ a +/ b
$(i.2) +/ i.3 2 3 $(i.2 2) +/ i.3 2 2 3 $(i.2 2) +/ i.3 4 5 2 2 3 4 5 On Thu, Sep 25, 2014 at 5:05 AM, Tikkanz <tikk...@gmail.com> wrote: > The shape is 2 4, not 2 2 ? > > If you look up the dyadic use of u/, then you should be able to predict > the shape. > From the wiki page: "(x u/ y) returns a table > <http://www.jsoftware.com/jwiki/Vocabulary/AET#Table> having entries (a u > b) > for every a in x and b in y" > > http://www.jsoftware.com/jwiki/Vocabulary/slash#dyadic > > On Thu, Sep 25, 2014 at 7:10 PM, Chris Wright <cawright...@gmail.com> > wrote: > > > ah. dumb of me. lesson learnt. > > > > so now the question is could one predict 2 2 for the shape of the answer > ? > > as opposed to say 14 > > > > thanks again! > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > 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
