><span class="op">)</span></span></code></pre></div>
    </div>

    <div class="section level2">
    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-alpha">alpha<a class="anchor" aria-label="anchor" href="#arg-alpha"></a></dt>
<dd><p>The double reduction rate</p></dd>


<dt id="arg-xi">xi<a class="anchor" aria-label="anchor" href="#arg-xi"></a></dt>
<dd><p>The preferential pairing parameter</p></dd>


<dt id="arg-ell">ell<a class="anchor" aria