2008/7/29 Hans Meine <[EMAIL PROTECTED]>: > On Dienstag 29 Juli 2008, Stéfan van der Walt wrote: >> > One way to achieve this is partial flattening, which I did like this: >> > >> > dat.reshape((numpy.prod(dat.shape[:3]), dat.shape[3])).sum(0) >> > >> > Is there a more elegant way to do this? >> >> That looks like a good way to do it. You can clean it up ever so slightly: >> >> x.reshape([-1, x.shape[-1]]).sum(axis=0) > > Thanks, that looks more elegant indeed. I am not sure if I've read about -1 > in shapes before. I assume it represents "the automatically determined rest" > and may only appear once? Should this be documented in the reshape > docstring?
That's correct, and yes -- it should! Would you like to document it yourself? If you register on http://sd-2116.dedibox.fr/pydocweb I'll give you editor's access. Regards Stéfan _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
