numpy.
angle
Return the angle of the complex argument.
A complex number or sequence of complex numbers.
Return angle in degrees if True, radians if False (default).
The counterclockwise angle from the positive real axis on the complex plane in the range (-pi, pi], with dtype as numpy.float64.
(-pi, pi]
This function works on subclasses of ndarray like ma.array.
ma.array
See also
arctan2, absolute
arctan2
absolute
Examples
>>> np.angle([1.0, 1.0j, 1+1j]) # in radians array([ 0. , 1.57079633, 0.78539816]) # may vary >>> np.angle(1+1j, deg=True) # in degrees 45.0