polatory Quadratures,<br>
          Numerische Mathematik,<br>
          Volume 40, 1982, pages 407-422.
        </li>
      </ol>
    </p>

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

    <p>
      <ul>
        <li>
          <a href = "imtqlx.m">imtqlx.m</a>, 
          diagonalizes a symmetric tridiagonal matrix.
        </li>
        <li>
          <a href = "r8_sign.m">r8_sign.m</a>, 
          returns the sign of an R8.
        </li>
        <li>
          <a href = "r8mat_print.m">r8mat_p