/span> <span class="n">np</span><span class="o">.</span><span class="n">dot</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">diag</span><span class="p">((</span><span class="n">rgbb</span><span class="o">/</span><span class="n">rgbr</span><span class="p">)[</span><span class="mi">0</span><span class="p">]),</span><span class="n">rgba</span><span class="o">.</span><span class="n">T</span><span class="p">)</span><span class="o">.</span><span class="n">T</span>

  