numpy.shape() ⚬ Entries

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numpy.shape() ⚬｜Documentation｜1st｜20251021133016-00-⌔

numpy.shape — NumPy v2.4 Manual#numpy.shape

numpy.shape(a)

Return the shape of an array.

Parameters:

a: array_like

Input array.

Returns:

shape: tuple of ints

The elements of the shape tuple give the lengths of the corresponding array dimensions.

See also:

len

len(a) is equivalent to np.shape(a)[0] for N-D arrays with N>=1.

ndarray.shape

Equivalent array method.

Examples:

>>> import numpy as np
>>> np.shape(np.eye(3))
(3, 3)
>>> np.shape([[1, 3]])
(1, 2)
>>> np.shape([0])
(1,)
>>> np.shape(0)
()

>>> a = np.array([(1, 2), (3, 4), (5, 6)],
...              dtype=[('x', 'i4'), ('y', 'i4')])
>>> np.shape(a)
(3,)
>>> a.shape
(3,)

Printed 2026-06-28.

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