 library which
      defines test problems for interpolation of data z(x,y),
      depending on a 2D argument.
    </p>

    <p>
      <a href = "../../m_src/toms886/toms886.html">
      TOMS886</a>,
      a MATLAB library which
      defines the Padua points for interpolation in a 2D region,
      including the rectangle, triangle, and ellipse,
      by Marco Caliari, Stefano de Marchi, Marco Vianello.
      This is ACM TOMS algorithm 886.
    </p>

    <p>
      <a href = "../../m_src/vandermonde_interp_2