Just guessing:

ea2=. +/@]`(*/@])`(>./@])`((i.0)"_)@.

   ;,/&.> a (~...@ea1 ([ ea2"_1 each)  ea0) b
52 38 30 19

BTW

Is there a better one for?
  (i.0)"_


Hallo Brian Schott, je schreef op 02-02-10 17:18:
> Yes, that is better still.
> Thank you.
>
> On Tue, Feb 2, 2010 at 10:58 AM, R.E. Boss <[email protected]> wrote:
>   
>> This can be simplified to
>>
>>   a(([: ~. ea1) (<@[ ea2"0 2 each)  ea0) b
>> +-----------+----------+-----+
>> |24 29 35 32|14 19 0 17|0 0 0|
>> +-----------+----------+-----+
>>
>>
>> R.E. Boss
>>     
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Met vriendelijke groet,
=@@i

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