.. highlightlang:: us

.. index:: besselj

.. _besselj:

besselj
=======

.. us.tag besselj NOTREADYENGLISH math-spec-fun New5506

Bessel function of the first kind.

.. function:: y = besselj(nu, z)

.. us.return

**Return Value**

*y* is besselj(nu,z).

.. us.params

**Parameters**

.. uparam:: nu

   *nu* is the order of the Bessel function.

.. uparam:: nu

   *z* is a real or complex value or matrix at which the function is 
   evaluated.

.. us.example

**Example**

::

   besselj(2,1.9)
   0.3299 

.. us.history

**History**

.. list-table::
   :header-rows: 1

   * - Version
     - Description
   * - R2013.6
     - New.

.. seealso::
   :ref:`overview-mathematic`,
   :ref:`besseli`

:sub:`id-1733922`