utv_apply_jacobian_from_sweep
=============================

.. py:function:: t3toolbox.backend.utv_sampling.utv_apply_jacobian_from_sweep(variations_data, frame_sweep)

   .. code-block:: python

      def utv_apply_jacobian_from_sweep(
              variations_data,  # UT3Variations .data (the tangent direction); stack = K + C
              frame_sweep,       # = utv_precompute_apply_frame_sweep(...)
      ):  # -> scalar apply, shape=W+K+C


   Forward all-modes apply of a uniform tangent reusing the frame sweep (the bare ``𝒥``): mask-once the
   variation, share :py:func:`apply.tv_apply_jacobian_from_sweep`.