> On Mon, May 14, 2012 at 4:33 PM, Zachary Pincus <zachary.pin...@yale.edu> > wrote: >> The below seems to be a bug, but perhaps it's unavoidably part of the >> indexing mechanism? >> >> It's easiest to show via example... note that using "[0,1]" to pull two >> columns out of the array gives the same shape as using ":2" in the simple >> case, but when there's additional slicing happening, the shapes get >> transposed or something. > > When fancy indexing and slicing is mixed, the resulting shape is > essentially unpredictable.
Aah, right -- this does come up on the list not infrequently, doesn't it. I'd always thought it was more exotic usages that raised these issues. Good to know. > The "correct" way to do it is to only use > fancy indexing, i.e. generate the indices of the sliced dimension as > well. > Excellent -- thanks! > Stéfan > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
