help with code for combinations/permutations

Darren New dnew at san.rr.com
Wed Jan 17 12:38:37 EST 2001


Another way of doing this is to recognise that if you have all the
permutations of (1,2,3), you can get all the permutations of (1,2,3,4) by
inserting a "4" in each possible point in the permutations you already have.
In other words, it's almost trivial to reduce recursively.

Oh, and it's a 1-liner in APL. ;-)

Bryan Webb wrote:
> I need to come up with all possible combinations of the numbers in the above
> list ie. 

-- 
Darren New / Senior MTS & Free Radical / Invisible Worlds Inc.
San Diego, CA, USA (PST).  Cryptokeys on demand.
"It says this wine has syphilis."
               "I think that's pronounced `sulphates'."



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