="op">[</span><span class="fl">1</span><span class="op">:</span><span class="fl">4</span>,<span class="fl">1</span><span class="op">]</span> <span class="op">&lt;-</span> <span class="fl">1</span></span>
<span><span class="va">Qmatrix</span><span class="op">[</span><span class="fl">5</span><span class="op">:</span><span class="fl">8</span>,<span class="fl">2</span><span class="op">]</span> <span class="op">&lt;-</span> <span class="fl">1</span></span>
<span><span class="va">Qmatrix</span><span class="op">[<