s known solutions for problem 1.
        </li>
        <li>
          <a href = "p01_title.m">p01_title.m</a>, 
          returns a title for problem 1.
        </li>
        <li>
          <a href = "p02_ab.m">p02_ab.m</a>, 
          returns bounds for problem 2.
        </li>
        <li>
          <a href = "p02_f.m">p02_f.m</a>, 
          returns the objective function value for problem 2.
        </li>
        <li>
          <a href = "p02_m.m">p02_m.m</a>, 
          returns the spatial dimension fo