Return (x1 != x2) element-wise.
| Parameters : | x1, x2 : array_like 
 out : ndarray, optional 
  | 
|---|---|
| Returns : | not_equal : ndarray bool, scalar bool 
  | 
See also
Examples
>>> np.not_equal([1.,2.], [1., 3.])
array([False,  True], dtype=bool)
>>> np.not_equal([1, 2], [[1, 3],[1, 4]])
array([[False,  True],
       [False,  True]], dtype=bool)