(,c,.-.c)#,a,.b 10 2 30 a2=:10;20;30 b2=: 1;2;3 (,c,.-.c)#,a2,.b2 ┌──┬─┬──┐ │10│2│30│ └──┴─┴──┘
2011/12/21 Johann Hibschman <jhibsch...@gmail.com> > > a=: 10 20 30 > b=: 1 2 3 > c=: 1 0 1 > > I want to get (10 2 30). > > I can get this by something like ((a*c)+b*-.c), but that breaks if a > and b are boxes. For example, with > > a2=:10;20;30 > b2=: 1;2;3 > > then that trick doesn't work. Is there a more direct way? I tried > looking for this in the Phrases, but I couldn't find it there. There > was a merge, but that was a more complex operation. > > Regards, > Johann > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
