,.<"1 a
2008/10/27 Hahn, Harvey <[EMAIL PROTECTED]>
> It's the end of a long day, and my brain is turning to mush. I have the
> following sample numeric array:
>
> ]a=. 3 4 $ i.12
> 0 1 2 3
> 4 5 6 7
> 8 9 10 11
>
> Formula d45 ("Box columns") on the "Special Matrices & Lists" page in
> "Phrases":
>
> ]a2=. 1 <@|:;.1 |: a OR ]a2=. 1 1 1 1 <@|:;.1 |: a
> +-+-+--+--+
> |0|1| 2| 3|
> |4|5| 6| 7|
> |8|9|10|11|
> +-+-+--+--+
>
> No matter what I've tried, I can't seem to "box rows", like this:
>
> +---------+
> |0 1 2 3|
> +---------+
> |4 5 6 7|
> +---------+
> |8 9 10 11|
> +---------+
>
> I keep getting the following boxed structure but not the boxing above:
>
> +-------+-------+---------+
> |0 1 2 3|4 5 6 7|8 9 10 11|
> +-------+-------+---------+
>
> I'm sure it's something quite elementary, but I just can't seem to come
> up with it. Thanks in advance for your help!
>
> Harvey
>
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