Those are all very pretty.

Henry Rich

On 11/19/2014 10:29 PM, Marshall Lochbaum wrote:
None of these beat Roger's by your criteria, but here are a few:

(,,.)&.>/  i.3 3
<"_1|:,:  i.3 3
(0 1,:3 1) <;.3  i.3 3

The second features a rare specimen--monadic |: on an array of rank
greater than 2. Of course it looks a bit uglier when placed in tacit
form.

Marshall

On Wed, Nov 19, 2014 at 05:05:16PM -0500, Henry Rich wrote:
    boxcols i. 3 3
+-+-+-+
|0|1|2|
|3|4|5|
|6|7|8|
+-+-+-+

Can you write boxcols?

Can you write it tacitly without using a hook, fork, compose, or appose?

Henry Rich
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