tanh
====

hyperbolic tangent



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


::

    t=tanh(x)




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

the elements of `t` are the hyperbolic tangents of the elements of
`x.`



Sample
~~~~~~



Examples
~~~~~~~~


::

    x=[1,%i,-1,-%i]
    tanh(x)
    `sinh`_(x)./`cosh`_(x)




See Also
~~~~~~~~


+ `atanh`_ hyperbolic tangent inverse
+ `tan`_ tangent
+ `tanhm`_ matrix hyperbolic tangent


.. _atanh: atanh.html
.. _tan: tan.html
.. _tanhm: tanhm.html