def lambda_large(self, r0):
        """
        The wavelength for large (:math:`r_0 < \\sigma_r`) oscillations.
        """
        return 2*_np.sqrt(2*_np.pi/self.k)*r0
def lambda_large(self, r0):
        """
        The wavelength for large (:math:`r_0 < \\sigma_r`) oscillations.
        """
        return 2*_np.sqrt(2*_np.pi/self.k)*r0
def lambda_large ( self , r0 ) : return 2 * _np . sqrt ( 2 * _np . pi / self . k ) * r0
The wavelength for large (:math:`r_0 < \\sigma_r`) oscillations.
The wavelength for large ( : math : r_0 < \\ sigma_r ) oscillations .