-2)+a+2)/2,(-(a-2)*signum(a-2)+a+2)/2]
</pre></td></tr></table>

<p>To convert <code>unit_step</code> to signum form, the function <code>convert_to_signum</code> 
uses <em>unit_step(x) = (1 + signum(x))/2</em>. 
</p>
<p><b>To use</b> &lsquo;<tt>load(abs_integrate)</tt>&rsquo;
</p>
<p><b>Related functions</b> <i>signum_to_abs</i>
</p>
</dd></dl>

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<p>
 <font size="-1">
  This document was generated by <em>U-UNKNET\willisb</em> on <em>May 16, 2012</em> using <a href="http://www.nongnu.org/texi2ht