 class="op"><a href="../reference/pipe.html">%&gt;%</a></span> <span class="fu"><a href="https://dplyr.tidyverse.org/reference/filter.html" class="external-link">filter</a></span><span class="op">(</span><span class="va">matrix.name</span> <span class="op">==</span> <span class="st">"U"</span><span class="op">)</span><span class="op">)</span><span class="op">[[</span><span class="st">"matrix"</span><span class="op">]</span><span class="op">]</span> <span class="co"># The U matrix</span></span>
<span><span c