 errors, but more significant errors
are possible. This problem is flagged with
<code>check_component_sum</code> (only relevant for divided (split)
matrices). We recommend that users carefully check their matrices for
these errors and correct or exclude them as appropriate.</p>
</div>
</div>
<div class="section level2">
<h2 id="function-requirement-summaries">Function requirement summaries<a class="anchor" aria-label="anchor" href="#function-requirement-summaries"></a>
</h2>
<p>It is a general requirement f