<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Homogeneous coordinates - Page 3 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=homogeneous_coordinates&amp;p=2">1.Previous</a><br />
<a accesskey="3" href="page.php?w=homogeneous_coordinates&amp;p=4">3.Next</a>
</p>
<p>and, in general, <a href="page.php?w=projective_transformation">projective transformation</a>s to be easily represented by a <a href="page.php?w=Transformation_matrix">matrix</a>. They are also used in fundamental <a href="page.php?w=elliptic_curve_cryptography">elliptic curve cryptography</a> algorithms.</p>

<p>If homogeneous coordinates of a point are multiplied by a non-zero <a href="page.php?w=Scalar_%28mathematics%29">scalar</a> then the resulting coordinates represent the same point. Since homogeneous coordinates are also given to points</p><p>
<a accesskey="1" href="page.php?w=homogeneous_coordinates&amp;p=2">1.Previous</a><br />
<a accesskey="3" href="page.php?w=homogeneous_coordinates&amp;p=4">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
