/a><span class="lineno">   26</span><span class="keyword">template</span> &lt;<span class="keywordtype">size_t</span> Nr, <span class="keywordtype">size_t</span> Nc&gt;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="namespacenetdem.html#a5c327d51108140964f686ec9fd7186b4">   27</a></span><span class="keyword">using </span><a class="code hl_typedef" href="namespacenetdem.html#a5c327d51108140964f686ec9fd7186b4">MatNd</a> = std::array&lt;std::array&lt;double,