On 8/13/07, Roger Hui <[EMAIL PROTECTED]> wrote:
> ps2=: , @ ((] , ,&.>)/) @ (<@,:"_1 , a:"_)

I think I prefer
   ps3=: ((,&.>)/, ]) @ (<@,:"_1 , <@(0&#))

For example, consider what happens with an argument like i.2 2

-- 
Raul
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