[Numpy-discussion] extract elements of an array that are contained in another array?
Thu Jun 4 15:14:59 CDT 2009
On Thu, Jun 4, 2009 at 2:58 PM, Alan G Isaac <email@example.com> wrote:
> On 6/4/2009 1:27 PM firstname.lastname@example.org apparently wrote:
>> Note: there are two versions of the docs for np.intersect1d, the
>> currently published docs which describe the actual behavior (for the
>> non-unique case), and the new docs on the doc editor
>> that describe the "intended" usage of the functions, which also
>> corresponds closer to the original source docstring
>> ). that's my interpretation
> Again, the distributed docs do *not* describe the actual
> behavior for the non-unique case. E.g.,
>>>> np.intersect1d([1,1,2,3,3,4], [1,4])
> array([1, 1, 3, 4])
> Might this is a better example of
> failure than the one in the doc editor?
Thanks, that's a very clear example of a wrong answer,
and it removes the question whether the function makes any sense for
the non-unique case.
I changed the example in the doc editor to this one.
It will hopefully merged with the source at the next update.
> However the doc editor version states that the function
> fails for the non-unique case, so it seems there was a
> documentation bug that is in the process of being fixed.
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