j_value</span> <span class="o">=</span> <span class="n">solver</span><span class="o">.</span><span class="n">Objective</span><span class="p">()</span><span class="o">.</span><span class="n">Value</span><span class="p">()</span>
                <span class="k">return</span> <span class="n">gamma</span><span class="p">,</span> <span class="n">obj_value</span>
            <span class="k">else</span><span class="p">:</span>
                <span class="k">if</span> <span class="bp">self</span><span class="o">.<