e in org.apache.commons.math3.analysis">DifferentiableUnivariateFunction</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the derivative function</dd></dl>
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<h4>value</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/commons/math3/analysis/differentiation/DerivativeStructure.html" title="class in org.apache.commons.math