1.6.195. numpy.ndim¶

numpy.ndim(a)[source]¶

Return the number of dimensions of an array.

Parameters:	a : array_like Input array. If it is not already an ndarray, a conversion is attempted.
Returns:	number_of_dimensions : int The number of dimensions in a. Scalars are zero-dimensional.

See also

ndarray.ndim

equivalent method

shape

dimensions of array

ndarray.shape

dimensions of array

Examples

>>> np.ndim([[1,2,3],[4,5,6]])
2
>>> np.ndim(np.array([[1,2,3],[4,5,6]]))
2
>>> np.ndim(1)
0