Thanks, Henry! Yes, I meant a shape of 4 3 4. Skip Cave Cave Consulting LLC
On Sun, Jan 8, 2017 at 12:28 PM, Henry Rich <[email protected]> wrote: > _1 1 (|.!.'x'"1"0 _ , |.!.'x'"0 _) a > > result has shape 4 3 4. > > Henry Rich > > > On 1/8/2017 12:59 PM, Skip Cave wrote: > >> I have a 3x4 array a: >> >> a >> >> abcd >> >> efgh >> >> ijkl >> >> >> I want a verb to create an array b that shifts a in 4 directions, and >> fills >> with 'x', creating a 2x3x4 array >> >> >> f a >> >> xabc >> >> xefg >> >> xijk >> >> >> bcdx >> >> fghx >> >> jklx >> >> >> xxxx >> >> abcd >> >> efgh >> >> >> efgh >> >> ijkl >> >> xxxx >> >> What is the most efficient J way to do this? The order of the 4 shifts are >> not important. >> >> Skip >> ---------------------------------------------------------------------- >> 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
