org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>x</code> - Point at which the function value should be computed.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value of the function.</dd></dl>
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<h4>derivative</h4>
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