I was wondering why testing the equivalence of NumPy arrays doesn't seem to function properly: >>> a = range(10) >>> a == a 1 >>> array(a) == array(a) 0 >>> array(a).tolist() == array(a).tolist() 1 Alexander _______________ MATRIX-SIG - SIG on Matrix Math for Python send messages to: matrix-sig@python.org administrivia to: matrix-sig-request@python.org _______________