Ewww, kinda wish that would be an error... It would be too easy for a typo to get accepted this way.
On Wed, Dec 26, 2018 at 1:59 AM Eric Wieser <wieser.eric+nu...@gmail.com> wrote: > In the latest version of numpy, this runs without an error, although may > or may not be what you want: > > In [1]: np.array([[1,2],[[1,2],[3,4]]]) > Out[1]: > array([[1, 2], > [list([1, 2]), list([3, 4])]], dtype=object) > > Here the result is a 2x2 array, where some elements are numbers and others > are lists. > > > On Wed, 26 Dec 2018 at 06:23 Mark Alexander Mikofski < > mikof...@berkeley.edu> wrote: > >> I believe numpy arrays must be rectangular, yours is jagged, instead try >> >> >>> x3d = np.array([[[1, 2], [1, 2], [3, 4]]]) >> >>> x3d.shape >> (1, 3, 2) >> >> Note: 3 opening brackets, yours has 2 >> And single brackets around the 3 innermost arrays, yours has single >> brackets for the 1st, and double brackets around the 2nd and 3rd >> >> >> On Tue, Dec 25, 2018, 6:20 PM Jeff <je...@vodafonemail.de wrote: >> >>> hello, >>> >>> sorry newbe to numpy. >>> >>> I want to define a three-dim array. >>> I know this works: >>> >>> >>> np.array([[[1,2],[3,4]],[[5,6],[7,8]]]) >>> array([[[1, 2], >>> [3, 4]], >>> >>> [[5, 6], >>> [7, 8]]]) >>> >>> But can you tell why this doesnt work? >>> >>> >>> np.array([[1,2],[[1,2],[3,4]]]) >>> Traceback (most recent call last): >>> File "<stdin>", line 1, in <module> >>> ValueError: setting an array element with a sequence. >>> >>> >>> Thank you. >>> _______________________________________________ >>> NumPy-Discussion mailing list >>> NumPy-Discussion@python.org >>> https://mail.python.org/mailman/listinfo/numpy-discussion >>> >> _______________________________________________ >> NumPy-Discussion mailing list >> NumPy-Discussion@python.org >> https://mail.python.org/mailman/listinfo/numpy-discussion >> > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@python.org > https://mail.python.org/mailman/listinfo/numpy-discussion >
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