[Numpy-discussion] Specifying Index Programmatically

T J tjhnson at gmail.com
Sun Aug 9 00:02:43 EDT 2009


On Sat, Aug 8, 2009 at 8:54 PM, Neil Martinsen-Burrell<nmb at 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)].
>

Very helpful!  Thank you.  I didn't run into this information in any
of the indexing tutorials I ran through.  If I get some time, I'll try
to add it.



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