mmons/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/Sigmoid.html#value(org.apache.commons.math3.analysis.differentiation.DerivativeStructure)"><code>value(DerivativeStructure)</code></a></i></div>
<div class="block">Returns the derivative of the function</