</span><span class="nv">A</span><span class="w"> </span><span class="p">)</span><span class="o">*</span><span class="nf">op</span><span class="p">(</span><span class="w"> </span><span class="nv">B</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nv">beta</span><span class="o">*</span><span class="nv">C</span><span class="p">,</span><span class="w"></span>
</code></pre></div>

<p>where op( X ) is one of</p>
<div class="