0888X,<br>
          LC: TA335.S77.
        </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 = "dirichlet_condition.m">dirichlet_condition.m</a>,
          the user-supplied routine to evaluate 