<?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="Point (geometry) - Page 17 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Point_(geometry)&amp;p=16">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Point_%28geometry%29&amp;p=18">3.Next</a>
</p>
<p>real line. The delta function is sometimes thought of as an infinitely high, infinitely thin spike at the origin, with total area one under the spike, and physically represents an idealized <a href="page.php?w=point_mass">point mass</a> or <a href="page.php?w=point_charge">point charge</a>. It was introduced by theoretical physicist <a href="page.php?w=Paul_Dirac">Paul Dirac</a>. In the context of <a href="page.php?w=signal_processing">signal processing</a> it is often referred to as the <b>unit impulse symbol</b> (or function). Its discrete</p><p>
<a accesskey="1" href="page.php?w=Point_(geometry)&amp;p=16">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Point_%28geometry%29&amp;p=18">3.Next</a>
</p>

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

</card>
</wml>
