h each column representing</span>
<span class='co'># one input vector</span>
<span class='no'>x</span> <span class='kw'>=</span> <span class='fu'>matrix</span>(<span class='fu'>runif</span>(<span class='fl'>10</span>), <span class='kw'>ncol</span> <span class='kw'>=</span> <span class='fl'>5L</span>)
<span class='fu'>fn</span>(<span class='no'>x</span>)</div><div class='output co'>#&gt; [1] 82.84926 81.54278 83.61323 82.36655 83.08161</div><div class='input'><span class='fu'>print</span>(<span class='fu'><a