CorewiseGeometryOps.frame
=========================

.. py:method:: t3toolbox.backend.geometry.CorewiseGeometryOps.frame(x_cores)

   .. code-block:: python

      def frame(
              self,
              x_cores:  typ.Tuple,   # (tucker_cores, tt_cores)
      ) -> typ.Tuple:                # (U, O, P, Q) = (U, G, G, G) -- the raw cores ARE the frame


   The (non-orthonormal) corewise frame: the Section 6.3 substitution ``(P, Q, O) -> G``.