><code>sigma</code> - Shrinkage coefficient.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if one of the steps is zero.</dd></dl>
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<h4>NelderMeadSimplex</h4>
<pre>public&nbsp;NelderMeadSimplex(doubl