Convert angles from radians to degrees.
| Parameters : | x : array_like 
 out : ndarray, optional 
  | 
|---|---|
| Returns : | y : ndarray of floats 
  | 
See also
Examples
Convert a radian array to degrees
>>> rad = np.arange(12.)*np.pi/6
>>> np.degrees(rad)
array([   0.,   30.,   60.,   90.,  120.,  150.,  180.,  210.,  240.,
        270.,  300.,  330.])
>>> out = np.zeros((rad.shape))
>>> r = degrees(rad, out)
>>> np.all(r == out)
True