">-</span><span class="n">c3</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">square</span><span class="p">(</span><span class="n">tnorm</span><span class="o">-</span><span class="n">c4</span><span class="p">))</span>
    <span class="n">Qr</span> <span class="o">=</span> <span class="n">c1</span> <span class="o">+</span> <span class="n">c2</span><span class="o">*</span><span class="n">ai</span>

    <span class="n">A</span> <span class="o">=</span> <span class=