n="top"><a href="maxima_50.html#IDX2317"><code>contract_edge</code></a></td><td valign="top"><a href="maxima_50.html#SEC293">50.2.3 Modifying graphs</a></td></tr>
<tr><td></td><td valign="top"><a href="maxima_20.html#IDX1012">contractions</a></td><td valign="top"><a href="maxima_20.html#SEC133">20.2.2.1 Behandlung indizierter Gr&ouml;&szlig;en</a></td></tr>
<tr><td></td><td valign="top"><a href="maxima_20.html#IDX1124"><code>contragrad</code></a></td><td valign="top"><a href="maxima_20.html#SEC152">20.3.2.7