.. include:: headings.inc



.. _Matrix2D:

==========================================================================================================================================
|phoenix_title|  **Matrix2D**
==========================================================================================================================================

A simple container for 2x2 matrix.          

This simple structure is used with :ref:`AffineMatrix2D`. 







         



.. versionadded:: 2.9.2 
     







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|class_hierarchy| Inheritance Diagram
=====================================

Inheritance diagram for class **Matrix2D**

.. raw:: html

   <p class="graphviz">
   <img src="_static/images/inheritance/Matrix2D_inheritance.png" alt="Inheritance diagram of Matrix2D" usemap="#dummy" class="inheritance"/>
   <map id="dummy" name="dummy"> <area shape="rect" id="node1" href="Matrix2D.html" title="A simple container for 2x2 matrix." alt="" coords="7,5,92,35"/> </map> 
   </p>

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|method_summary| Methods Summary
================================

================================================================================ ================================================================================
:meth:`~Matrix2D.__init__`                                                       Default constructor.
================================================================================ ================================================================================


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|api| Class API
===============
   

.. class:: Matrix2D(object)

   A simple container for 2x2 matrix.
   
   **Possible constructors**::

       Matrix2D(v11=1, v12=0, v21=0, v22=1)
       



   .. method:: __init__(self, v11=1, v12=0, v21=0, v22=1)

      Default constructor.                  

      Initializes the matrix elements to the identity.                  


      :param `v11`: 
      :type `v11`: float
      :param `v12`: 
      :type `v12`: float
      :param `v21`: 
      :type `v21`: float
      :param `v22`: 
      :type `v22`: float