[Numpy-discussion] Searching object arrays
Martin Spacek
numpy at mspacek.mm.st
Mon May 7 20:25:40 EDT 2007
Great, thanks Tim!
Martin
Timothy Hochberg wrote:
>
> Using np.equals instead of == seems to work:
>
> >>> i = np.array([0,1,2,None,3,4,None])
> >>> i
> array([0, 1, 2, None, 3, 4, None], dtype=object)
> >>> np.where(i == None)
> ()
> >>> i == None
> False
> >>> np.where(np.equal(i, None))
> (array([3, 6]),)
>
> I suspect the issue isn't actually object arrays, but rather some
> optimization related to None, that's causing problems.
>
> -tim
>
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