equires additional parameters <code>dimensions</code> (positive integer),
<code>n.objectives</code> (= 2 or 3) and, for DTLZ4, <code>alpha</code>
(positive integer, defaults to 100).</p></li>
<li><p><code>prob.name = UF</code>, in which case the function requires
additional parameters <code>dimensions</code> (positive integer) and
<code>id</code> (= 1, ..., 10).</p></li>
</ul></div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-