UT3Frame.minimal_ranks
======================

.. py:method:: t3toolbox.uniform_frame_variations_format.UT3Frame.minimal_ranks()

   .. code-block:: python

      def minimal_ranks(self):  # (min_tucker (d,)+stack, min_tt (d+1,)+stack) -- host int, per stack element


   Structural minimal ranks ``(min_tucker_ranks, min_tt_ranks)`` for this frame's shape/ranks,
   **per stack element** (the ranks vary across the stack -- the determinantal variety). Host ints.