[Numpy-discussion] defmatrix.sum
Robert Kern
robert.kern at gmail.com
Tue Jan 9 02:58:54 EST 2007
Stefan van der Walt wrote:
> Hi all,
>
> I noticed that Tim Leslie picked up on the out=None in defmatrix.sum:
>
> def sum(self, axis=None, dtype=None, out=None):
> """Sum the matrix over the given axis. If the axis is None, sum
> over all dimensions. This preserves the orientation of the
> result as a row or column.
> """
> return N.ndarray.sum(self, axis, dtype, out=None)._align(axis)
>
> Surely, that out=None should just be out?
Yes.
> If out is specified, should
> sum() still return a value?
Yes. Everything else with an out= parameter does.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
More information about the NumPy-Discussion
mailing list