directions

DrivenControl.directions

Returns the Bloch sphere rotation directions.

Returns: The Bloch sphere rotation direction on each segment, \(\{\mathbf v_n/\|\mathbf v_n\|\}\), where \(\mathbf v_n=(\Omega_n\cos\phi_n, \Omega_n\sin\phi_n, \Delta_n)\).
Return type: np.ndarray