}\) and \(s_{k+2}\)).
  </p>

<div class="chunk" id="unnamed-chunk-7"><div class="rcode"><div class="source"><pre class="knitr r"><span class="hl kwd">xsplineFunGenerator</span><span class="hl std">(</span><span class="hl str">&quot;s1neg&quot;</span><span class="hl std">,</span> <span class="hl str">&quot;s2neg&quot;</span><span class="hl std">,</span> <span class="hl str">&quot;noA0&quot;</span><span class="hl std">,</span> <span class="hl str">&quot;noA3&quot;</span><span class="hl std">)(</span><span cl