+ each or +&.>
Henry Rich On 8/1/2011 9:46 AM, mijj wrote: > J Knitting : The Naive Corner... > > This one is eluding me... > > ] A =. 1 2 ; 1 2 3 > ┌───┬─────┐ > │1 2│1 2 3│ > └───┴─────┘ > > ] P =. (2 _2) > 2 _2 > > i want to add the first [2] to each of the first [1 2] > and add second [_2] to each of the second [1 2 3] > > as in : > (2 _2) Jmagic (1 2; 1 2 3) > ┌───┬──────┐ > │3 4│_1 0 1│ > └───┴──────┘ > > .. but that bit of Jmagic is eluding me. > > I don't really have a handle on this kind of thing .. i usually hack > and get it in a couple of goes, but this one's being slippery. Snapping > open those boxes, fiddling with the contents and snapping them closed > before any spurious fillers sneak in is what i find to be particularly > tricky. In this case i can't seem to orient and open things up so > they're pointed in the right direction. In the best of a bad lot i got > the right additions but got a spurious [2] filler too. > > .. anyone have a solution .. plus any helpful visualisation tips for > dealing with arrays that become ragged and boxed? > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
