On Thu, Nov 12, 2015 at 7:54 PM, Viton, Philip <[email protected]> wrote:
>
> Given:  mx =. (i. 2 3) ;<i. 4 3 . Note that both boxed matrices have the same 
> number of columns (3) but different numbers of rows.
>
> Is it possible to unbox and stack them without generating fills (in this case 
> into a 6 x 3 matrix)?

   ;mx
0  1  2
3  4  5
0  1  2
3  4  5
6  7  8
9 10 11
   $;mx
6 3


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