="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a>  <span class="dt">int</span>&lt;<span class="kw">lower</span>=<span class="dv">0</span>&gt; N_tilde;</span>
<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a>  <span class="dt">vector</span>[N_tilde] x_tilde;</span>
<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a>  <span class="co">// ...</span></span>
<span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a>}</span>
<span id="cb2-6"><a 