ndex="-1"></a><span class="co">#&gt; $z</span></span>
<span id="cb4-15"><a href="#cb4-15" tabindex="-1"></a><span class="co">#&gt; [1] -50163.01</span></span>
<span id="cb4-16"><a href="#cb4-16" tabindex="-1"></a><span class="co">#&gt; </span></span>
<span id="cb4-17"><a href="#cb4-17" tabindex="-1"></a><span class="co">#&gt; $xDot</span></span>
<span id="cb4-18"><a href="#cb4-18" tabindex="-1"></a><span class="co">#&gt; [1] 28.16496</span></span>
<span id="cb4-19"><a href="#cb4-19" tabindex="-1"></a><span 