It's equivalent to (e.&>~/ ;) :

   e. 2 3 4;3 4 5;1 2
1 1 1 1 1 0 0 1
0 1 1 1 1 1 0 0
1 0 0 0 0 0 1 1
   (e.&>~/ ;) 2 3 4;3 4 5;1 2
1 1 1 1 1 0 0 1
0 1 1 1 1 1 0 0
1 0 0 0 0 0 1 1

So, it tells you which boxes (vertical axis) contain each element of the
raze (horizontal axis).

Marshall

On Fri, Sep 23, 2011 at 2:30 PM, David Ward Lambert
<[email protected]>wrote:

> I haven't used monadic e.  I don't understand it.  I'm guessing it's
> simple, as self classify became simple, once understood.  = -: ~. =/ ]
> Thank you, Dave.
>
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