T3Tangent.from_vector
=====================

.. py:method:: t3toolbox.manifold.T3Tangent.from_vector(flat, frame, tangent_stack_shape = ())
   :staticmethod:


   .. code-block:: python

      def from_vector(
              flat:                   NDArray,                   # 1D vector of variation DOFs (from to_vector)
              frame:                  bvf.T3Frame,
              tangent_stack_shape:    typ.Tuple[int, ...] = (),  # tangent stack K (default ())
      ) -> 'T3Tangent':


   Inverse of :py:meth:`to_vector`: rebuild the tangent at ``frame`` from a 1D DOF vector.

   ``tangent_stack_shape`` is the tangent stack ``K`` (default ``()``); the variations are rebuilt
   with stack ``K + frame.stack_shape``.