d as finite at least on one   side; equality constraints defined by equal bounds</li>
            </ul>
         </div><pre> penm.lbg = [-Inf, 0, 5];
 penm.ubg = [0, Inf, 5];
 penm.lbA = [0];
 penm.ubA = [Inf];</pre><p><html><a  href="#top_of_page">Back to Top</a> </html></p>
         <h2>Call back functions<a name="6"></a></h2>
         <p><b>IMPORTANT NOTE</b></p>
         <p>Whenever matrix variables <tt>Y{1}, Y{2}, ..., Y{NY}</tt> are present, they will be vectorized. All elements of this new vector wil