Matrix operations
~~~~~~~~~~~~~~~~~


+ `cumprod`_ cumulative product of array elements
+ `cumsum`_ cumulative sum of array elements
+ `kron`_ Kronecker product (.*.)
+ `prod`_ product of array elements
+ `sum`_ sum of array elements
+ `tril`_ lower triangular part of matrix
+ `triu`_ upper triangle


.. _cumsum: cumsum.html
.. _tril: tril.html
.. _triu: triu.html
.. _sum: sum.html
.. _cumprod: cumprod.html
.. _kron: kron.html
.. _prod: prod.html