pan>
<span><span class="va">Qmatrix</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/matrix.html" class="external-link">matrix</a></span><span class="op">(</span> <span class="fl">0</span>, <span class="va">I</span>, <span class="fl">2</span> <span class="op">)</span></span>
<span><span class="va">Qmatrix</span><span class="op">[</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"