an class="n">x_coords</span><span class="p">,</span> <span class="n">y_coords</span> <span class="o">=</span> <span class="nb">zip</span><span class="p">(</span><span class="o">*</span><span class="bp">self</span><span class="o">.</span><span class="n">coordinates</span><span class="o">.</span><span class="n">values</span><span class="p">())</span>
        <span class="n">norms</span> <span class="o">=</span> <span class="p">[</span><span class="n">np</span><span class="o">.</span><span class="n">linalg</sp