[Jprogramming] reshaping array

[Chris Burke]

Sherlock, Ric wrote:
> Thanks for the answers, I'll add this to my study material 
> By the way Chris' answer doesn't work in its current form when the array
> is boxed. Good exercise for me to see if I can work out why!

   a=: <@>100+i.4
   b=: <@>21+i.5
   c=: <@>i.4 5
   (>,{a;<b),.,c
+---+--+--+
|100|21|0 |
+---+--+--+
|100|22|1 |
+---+--+--+
|100|23|2 |
+---+--+--+
|100|24|3 |
+---+--+--+
...