Helper Functions (:mod:`pyttb.pyttb_utils`, :mod:`pyttb.khatrirao`)
===================================================================

For *all* examples in this document, the following module imports are assumed::

    >>> import pyttb as ttb
    >>> import numpy as np

.. automodule:: pyttb.pyttb_utils
    :members:
    :special-members:
    :exclude-members: __dict__, __weakref__, __slots__
    :show-inheritance:

.. autofunction:: pyttb.khatrirao.khatrirao