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

Nathaniel Smith njs at pobox.com
Mon Sep 9 09:52:39 EDT 2013


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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