I have a utility named row :

    row
 ,.&.|:
    'a b c d' =: i. 4 3
    a row b row c row d
 0  1  2
 3  4  5
 6  7  8
 9 10 11

--Kip Murray

On Tuesday, January 5, 2016, <[email protected]> wrote:

> >    z=. (((a0 ,: a1) , a2) , a3) , a4    NB. "glue" rows together
>
>      z=.    a0 ,  a1  , a2  , a3 ,: a4    NB. effects the same
> ----------------------------------------------------------------------
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>


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