numpy.angle

numpy.angle(z, deg=0)

Return the angle of the complex argument.

Parameters:

z : array_like

A complex number or sequence of complex numbers.

deg : bool, optional

Return angle in degrees if True, radians if False (default).

Returns:

angle : {ndarray, scalar}

The counterclockwise angle from the positive real axis on the complex plane, with dtype as numpy.float64.

See also

arctan2

Examples

>>> np.angle([1.0, 1.0j, 1+1j])               # in radians
array([ 0.        ,  1.57079633,  0.78539816])
>>> np.angle(1+1j, deg=True)                  # in degrees
45.0

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