les ander wrote: > furthermore, is it possible to overload the "not" operator for > numeric so that the i could achieve the above with simply "not a"? > thanks > In [1]: logical_not ? Type: ufunc String Form: <ufunc 'logical_not'> Namespace: Interactive Docstring: logical_not(x) returns array of 1's where x is false, 0 otherwise. cheers, f