</span>
<span class="r-in"><span><span class="fu"><a href="trim.html">trim</a></span><span class="op">(</span><span class="va">X</span> <span class="op">-</span> <span class="va">P</span> <span class="op"><a href="https://rdrr.io/r/base/matmult.html" class="external-link">%*%</a></span> <span class="va">Z</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>      [,1] [,2] [,3]</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1,]    0    0    0</s