Blurb::
Discrete state variables, each defined by a set of permissible real numbers

Description::
Discrete state variables defined by a set of permissible real numbers.

See :ref:`variables:usage` for tips on specifying discrete set
variables and :ref:`variables:state` for details on the behavior
of state variables.

Topics::
discrete_variables, state_variables
Examples::

Theory::

Faq::

See_Also::
