im.<a href="../../../../../../org/apache/commons/math3/optim/OptimizationProblem.html" title="interface in org.apache.commons.math3.optim"><span class="strong">OptimizationProblem</span></a>&lt;PAIR&gt;
<ul>
<li type="circle">org.apache.commons.math3.fitting.leastsquares.<a href="../../../../../../org/apache/commons/math3/fitting/leastsquares/LeastSquaresProblem.html" title="interface in org.apache.commons.math3.fitting.leastsquares"><span class="strong">LeastSquaresProblem</span></a></li>
</ul>
</li>
</ul>