n>
    <span class="k">def</span> <span class="nf">coords</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Returns a copy of the vertex coordinates in the simplex.</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">_coords</span><span class="o">.</span><span class="n">copy</span><span cl