row=:_2[\,&, would have been more concise? Or is that too silly?
-- Raul On Sat, Jul 18, 2015 at 8:19 PM, Roger Hui <[email protected]> wrote: > And another version: > > row=: _2&([\)@,&, > > > > On Sat, Jul 18, 2015 at 5:17 PM, Henry Rich <[email protected]> wrote: > >> The straightforward version: >> >> row =. ,&(,:^:(2 > #@$)) >> >> The shorter but ugly (and slower) version: >> >> row =. ;@,&:(<@,:"1) >> >> The beautiful but slowest version: >> >> row =. ,&.:(<"1) >> >> Henry Rich >> >> On 7/18/2015 8:04 PM, Kip Murray wrote: >> >>> 1 2 row 3 4 >>> 1 2 >>> 3 4 >>> 1 2 row 3 4 row 5 6 >>> 1 2 >>> 3 4 >>> 5 6 >>> (1 2 row 3 4) row 5 6 >>> 1 2 >>> 3 4 >>> 5 6 >>> (1 2 row 3 4) row 5 6 row 7 8 >>> 1 >>> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
