Compute the truth value of x1 AND x2 elementwise.
| Parameters : | x1, x2 : array_like 
  | 
|---|---|
| Returns : | y : {ndarray, bool} 
  | 
See also
Examples
>>> np.logical_and(True, False)
False
>>> np.logical_and([True, False], [False, False])
array([False, False], dtype=bool)
>>> x = np.arange(5)
>>> np.logical_and(x>1, x<4)
array([False, False,  True,  True, False], dtype=bool)