 plot of the data and piecewise linear interpolant for problem p02;
        </li>
        <li>
          <a href = "p02_poly.png">p02_poly.png</a>,
          a plot of the polynomial interpolant for problem p02;
        </li>
        <li>
          <a href = "p03_data.png">p03_data.png</a>,
          a plot of the data and piecewise linear interpolant for problem p03;
        </li>
        <li>
          <a href = "p03_poly.png">p03_poly.png</a>,
          a plot of the polynomial interpolant for problem p0