[Numpy-discussion] Bug (?) converting list to array

Chad Kidder cckidder at gmail.com
Mon Sep 9 09:54:40 EDT 2013


Oh, so there was a bug in the user...


On Mon, Sep 9, 2013 at 7:52 AM, Nathaniel Smith <njs at pobox.com> wrote:

> One list has 6 entries and one has 7, so they can't be aligned into a
> single array. Possibly it would be better to raise an error here instead of
> returning an object array, but that's what's going on.
>
> -n
> On 9 Sep 2013 14:49, "Chad Kidder" <cckidder at gmail.com> wrote:
>
>> I'm trying to enter a 2-D array and np.array() is returning a 1-D array
>> of lists.  I'm using Python (x,y) on Windows 7 with numpy 1.7.1.  Here's
>> the code that is giving me issues.
>>
>> >>> f1 = [[15.207, 15.266, 15.181, 15.189, 15.215, 15.198], [-45, -57,
>> -62, -70, -72, -73.5, -77]]
>> >>> f1a = np.array(f1)
>> >>> f1a
>> array([[15.207, 15.266, 15.181, 15.189, 15.215, 15.198],
>>        [-45, -57, -62, -70, -72, -73.5, -77]], dtype=object)
>>
>> What am I missing?
>>
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>>
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