How to generate (enumerate) 2**N tuples representing all vertices of unit hypercube in N-dimensional hyperspace ?
Heiko Wundram
modelnine at bit-bukket.org
Tue Jan 3 20:51:46 EST 2006
Paul Rubin wrote:
> def perm(n):
> return [tuple([(1,-1)[(t>>i)%2] for i in xrange(n)])
> for t in xrange(2L**n)]
or replace that with:
def perm(n):
return (tuple(((1,-1)[(t>>i)%2] for i in xrange(n)))
for t in xrange(2L**n))
to get a generator like in Paul's first example. Only works with Python 2.4+
though.
--- Heiko.
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