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
