 class="n">sigma2</span><span class="o">.</span><span class="n">log</span><span class="p">()</span> <span class="o">+</span> <span class="p">(</span><span class="nb">input</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">mu</span><span class="p">)</span> <span class="o">**</span> <span class="mi">2</span> <span class="o">/</span> <span class="bp">self</span><span class="o">.</span><span class="n">sigma2</span><span class="p">)</span>
        <span class="k"