he output</dd>
<dd><code>rows</code> - If the expansion is in rows direction</dd>
<dd><code>cast</code> - If the values contained should be cast to double (rounded up and down)</dd>
<dd><code>ignore</code> - Ignore if the input contain values below zero that technically is incorrect input.</dd>
<dd><code>k</code> - Degree of parallelism</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Output matrix rexpanded</dd>
</dl>
</li>
</ul>
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