numer
=====

numerator



Calling Sequence
~~~~~~~~~~~~~~~~


::

    num=numer(R)




Arguments
~~~~~~~~~

:R rational or polynomial or constant matrix.
: :num polynomial matrix
:



Description
~~~~~~~~~~~

Utility fonction. `num=numer(R)` returns the numerator `num` of a
rational function matrix `R` ( `R` may be also a constant or
polynomial matrix). `numer(R)` is equivalent to `R(2)`, `R('num')` or
`R.num`



See Also
~~~~~~~~


+ `denom`_ denominator


.. _denom: denom.html