ts in arrays penm.lbxbar, penm.ubxbar. Any named box constraints which actually don't exist (infinite bounds)
                  are ignored.
               </li>
            </ul>
         </div><pre> penm.lbxbar = [ 3, 4 ];
 penm.ubxbar = [1:penm.Nx];</pre><div>
            <ul>
               <li><b>lower, upper bounds on elements of <tt>Y</tt> variable</b> If used, it is a cell array of <tt>m</tt> matrices of the same size as matrix variables <tt>Y{1},...,Y{m}</tt>. Use empty matrix when constraints are 