.. _method-approximate_control_variate-rng-mt19937:

"""""""
mt19937
"""""""


Generates random numbers using the Mersenne twister


.. toctree::
   :hidden:
   :maxdepth: 1



**Specification**

- *Alias:* None

- *Arguments:* None


**Description**


The ``mt19937`` keyword directs Dakota to use the Mersenne twister to
generate random numbers.  Additional information can be found on
wikipedia: http://en.wikipedia.org/wiki/Mersenne_twister.

*Default Behavior*

``mt19937`` is the default random number generator.  To specify it
explicitly in the Dakota input file, however, it must be specified in
conjuction with the ``rng`` keyword.

*Usage Tips*

Use of the Mersenne twister random number generator ( ``mt19937``) is
recommended.



**Examples**



.. code-block::

    method
      sampling
        sample_type lhs
        samples = 10
        seed = 98765
        rng mt19937