n class="p">)</span>
            <span class="n">samples_marginal</span> <span class="o">=</span> <span class="bp">self</span><span class="p">(</span><span class="n">batch_size</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">param</span><span class="o">=</span><span class="n">torch</span><span class="o">.</span><span class="n">hstack</span><span class="p">((</span><span class="n">mu_marginal</span><span class="p">,</span> <span class="n">nu_marginal</span><spa