n> <span class="va">Q</span><span class="op">[</span><span class="va">ii</span>,<span class="fl">2</span><span class="op">]</span> <span class="op">-</span> <span class="va">b</span><span class="op">[</span><span class="va">ii</span>,<span class="fl">2</span><span class="op">]</span> <span class="op">)</span> <span class="op">)</span></span>
<span>    <span class="va">co1</span> <span class="op">&lt;-</span> <span class="op">(</span> <span class="fl">1</span> <span class="op">+</span> <span class="va">tmp1<