n problem.
        </li>
      </ul>
    </p>

    <p>
      The code generates some plots of the data and approximants.
      <ul>
        <li>
          <a href = "p01_data.png">p01_data.png</a>,
          a plot of the data and piecewise linear interpolant for problem p01;
        </li>
        <li>
          <a href = "p01_poly.png">p01_poly.png</a>,
          a plot of the polynomial interpolant for problem p01;
        </li>
        <li>
          <a href = "p02_data.png">p02_data.png</a>,
          a