" class="external-link">nrow</a></span><span class="op">(</span><span class="va">A</span><span class="op">)</span>,</span>
<span>  lwd <span class="op">=</span> <span class="fl">2</span>,</span>
<span>  lty <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  axes <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  labels <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  solution <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  <sp