spheres.coordinates.xyz_spinor¶
-
spheres.coordinates.
xyz_spinor
(xyz)[source]¶ Converts cartesian coordinates to a spinor by reverse stereographic projection to the extended complex plane, and then lifting the latter to a 2-vector.
- Parameters
xyz (list/np.ndarray) – (List of) cartesian coordinates.
- Returns
spinor – Spinor(s).
- Return type
qt.Qobj or list