7.
        </li>
        <li>
          Olgierd Zienkiewicz,<br>
          The Finite Element Method,<br>
          Sixth Edition,<br>
          Butterworth-Heinemann, 2005,<br>
          ISBN: 0750663200,<br>
          LC: TA640.2.Z54
        </li>
      </ol>
    </p>

    <h3 align = "center">
      Source Code:
    </h3>

    <p>
      <ul>
        <li>
          <a href = "fem2d_heat.m">fem2d_heat.m</a>
          is the main routine.
        </li>
      </ul>
    <p>

    <p>
      You can go up one le