<code class="docutils literal notranslate"><span class="pre">Hxx</span></code>, <code class="docutils literal notranslate"><span class="pre">Hxn</span></code>, <code class="docutils literal notranslate"><span class="pre">Hnn</span></code>, <code class="docutils literal notranslate"><span class="pre">Hnx</span></code>) from the data sequence (<code class="docutils literal notranslate"><span class="pre">Sig</span></code>) where,</p>
<blockquote>
<div><ul class="simple">
<li><p><code class="docutils literal no