[Numpy-discussion] Specifying Index Programmatically
Michael McNeil Forbes
mforbes@physics.ubc...
Mon Aug 17 09:53:54 CDT 2009
There is also numpy.s_:
inds = np.s_[...,2,:]
z[inds]
(Though there are some problems with negative indices: see for example http://www.mail-archive.com/numpy-discussion@scipy.org/msg18245.html)
On 8 Aug 2009, at 10:02 PM, T J wrote:
> On Sat, Aug 8, 2009 at 8:54 PM, Neil Martinsen-Burrell<nmb@wartburg.edu
> > wrote:
>>
>> The ellipsis is a built-in python constant called Ellipsis. The
>> colon
>> is a slice object, again a python built-in, called with None as an
>> argument. So, z[...,2,:] == z[Ellipsis,2,slice(None)].
More information about the NumPy-Discussion
mailing list