numpy.ma.size — NumPy v1.13 Manual (original) (raw)

numpy.ma. size(obj, axis=None)[source]

Return the number of elements along a given axis.

Parameters: a : array_like Input data. axis : int, optional Axis along which the elements are counted. By default, give the total number of elements.
Returns: element_count : int Number of elements along the specified axis.

See also

shape

dimensions of array

ndarray.shape

dimensions of array

ndarray.size

number of elements in array

Examples

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