I like these versions (assuming I get the point of the previous examples):
cartsimp=: ,"0/
cartbox=: ,&.>/
as they combine basic principles.
On 5/18/07, Dan Bron <[EMAIL PROTECTED]> wrote:
Markus Schmidt-Groettrup wrote:
> impressive to me is the cartesian product
> cartesian =: ,"_ _1 "_1 _
Do you find it more or less impressive that J has a primitive for
cartesian product?
cart =: {@:,&.<
The monad { is neat but this formulation doesn't demonstrate the
loop-abstraction that yours does.
-Dan
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