ad(&quot;combinatorics&quot;)$
(%i2) perm_rank ([4, 6, 3, 1, 7, 5, 2, 8]);
(%o2)                          19729
</pre>
<div class=categorybox>

<p>Categories:&nbsp;&nbsp;<a href="maxima_107.html#Category_003a-Package-combinatorics">Package combinatorics</a>
</div>
</p>
</dd></dl>

<p><a name="perm_005fundecomp"></a>
<a name="Item_003a-perm_005fundecomp"></a>
</p><dl>
<dt><u>Function:</u> <b>perm_undecomp</b><i> (<var>cl</var>, <var>n</var>)</i>
<a name="IDX1480"></a>
</dt>
<dd><p>Converts the list of cycles