``tensor``
------------------

Methods
^^^^^^^
+-----------------+----------------------+------------------------------------------------------------------------+
| MATLAB name     | ``pyttb`` name       | Calling convention                                                     |
+=================+======================+========================================================================+
| ``tensor``      | ``from_function``    | ``ttb.tensor.from_function(<function>, shape)``                        |
+-----------------+----------------------+------------------------------------------------------------------------+
| ``sptensor``    | ``to_sptensor``      | ``X.to_sptensor()``                                                    |
+-----------------+----------------------+------------------------------------------------------------------------+