span><span class="n">b_2</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="n">dgm</span><span class="o">.</span><span class="n">device</span><span class="p">)</span>

        <span class="n">x</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">mul</span><span class="p">(</span><span class="n">dgm</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">b_1</span><span class="o