re>
<pre class="programlisting"></pre>
<pre class="programlisting"> Pnew.hasHRep </pre>
<pre class="programlisting">
ans =

     1

</pre> The original polyhedron <tt>P</tt> remains in V-representation <pre class="programlisting"> P.hasHRep </pre>
<pre class="programlisting">
ans =

     0

</pre> The different story is when a new object is a reference of the original set.  This is achieved by equality assignment: <pre class="programlisting"> Q = P; </pre>
<pre class="programlisting"></pre> When the polyhed