e.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;<a href="../../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a>&nbsp;derivative()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>as of 3.1, replaced by <a href="../../../../../../org/apache/commons/math3/analysis/function/Cbrt.html#value(org.apache.c