.. highlightlang:: us

.. _iscomplex:

iscomplex
=========

.. index:: iscomplex

.. us.tag  iscomplex ENGLISH

:ref:`iscomplex` checks if its argument is a complex scalar or
complex matrix.

.. function::  bool = iscomplex(m)

.. us.return

**Return Value**

*bool* is TRUE (1), if the argument is a complex scalar or
complex matrix and FALSE (0), if the argument is of another type.

.. us.params

**Parameters**

.. uparam:: m

   *m* is a scalar, matrix or function.

.. us.example

**Example**

::

   a = 1 + 3i
   iscomplex(a)
        1.0000
   iscomplex(sin)
        0.0000
   iscomplex(1.12)
        0.0000

.. seealso::
   :ref:`overview-mathematic`,
   :ref:`type`,
   :ref:`isreal`,
   :ref:`isstring`

:sub:`id-332019`