span class="n">bt</span><span class="o">-</span><span class="n">br</span><span class="p">)</span><span class="o">**</span><span class="mi">2</span><span class="p">)</span>
            <span class="n">dH</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="n">DEab2</span> <span class="o">-</span> <span class="n">dC</span><span class="o">**</span><span class="mi">2</span><span class="p">)</span>
            
          