.. highlightlang:: us

.. _diff:

diff
====

.. index:: diff

.. us.tag  diff GERMAN math-base

:ref:`diff` berechnet die Differenzen
aufeinander folgender Elemente. [x[2] - x[1], x[3] - x[2], ... , x[n] - x[n-1]]

.. function::  rmDiff = diff(rmMat)

.. us.return

**Returnwert**

*rmDiff* ist die Differenz-Matrix.

.. us.params

**Parameter**

.. uparam:: rmMat

   *rmMat* ist eine reelle Matrix oder ein Vektor.

.. us.example

**Beispiel**

::

   a = [1,2,5,4,5,6]
   diff(a)
   1 3 -1 1 1

.. seealso::
   :ref:`uberblick-mathematik`,
   :ref:`cumsum`

:sub:`id-273623`