 <span class="st">'+'</span><span class="op">)</span> <span class="op">-</span> <span class="va">Vmat</span><span class="op">[</span><span class="op">-</span><span class="fl">1</span>, <span class="op">-</span><span class="fl">1</span><span class="op">]</span></span></span>
<span class="r-in"><span><span class="va">m</span> <span class="op">&lt;-</span> <span class="va">Vmat</span><span class="op">[</span><span class="op">-</span><span class="fl">1</span>,<span class="fl">1</span><span class="op">]</span></