bundles / numpy 2.5.0.dev0+git20251130.2de293a / numpy / size

_ArrayFunctionDispatcher

`numpy:size`

source: /dev/numpy/build-install/usr/lib/python3.14/site-packages/numpy/_core/fromnumeric.py :3525

Signature

def size ( a , axis = None )

Summary

Return the number of elements along a given axis.

Parameters

a : array_like: Input data.
axis : None or int or tuple of ints, optional: Axis or axes along which the elements are counted. By default, give the total number of elements.
versionchanged 2.4
Extended to accept multiple axes.

Returns

element_count : int: Number of elements along the specified axis.

Examples

import numpy as np
a = np.array([[1,2,3],[4,5,6]])
np.size(a)
np.size(a,axis=1)
np.size(a,axis=0)
np.size(a,axis=(0,1))

✓

See also

ndarray.shape: dimensions of array
ndarray.size: number of elements in array
shape: dimensions of array

Aliases

numpy.size