&quot;&quot;&quot;Retrieves the Laplacian matrix of the graph associated with the stochastic operator.</span>

<span class="sd">        Returns</span>
<span class="sd">        -------</span>
<span class="sd">        np.ndarray</span>
<span class="sd">            The Laplacian matrix of the graph.</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_operator</span><span class="o">.</span><span clas