an class="sd">        Args:</span>
<span class="sd">            n (int, optional): Smoothing amount. Defaults to 1.</span>

<span class="sd">        Raises:</span>
<span class="sd">            ValueError: _description_</span>

<span class="sd">        Returns:</span>
<span class="sd">            _type_: _description_</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="n">M_n</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">_</span> <s