pprox.html">
      TEST_APPROX</a>,
      a MATLAB library which
      defines test problems for approximation,
      provided as a set of (x,y) data.
    </p>

    <p>
      <a href = "../../m_src/test_interp_1d/test_interp_1d.html">
      TEST_INTERP_1D</a>,
      a MATLAB library which
      defines test problems for interpolation of data y(x),
      depending on a 2D argument.
    </p>

    <p>
      <a href = "../../m_src/vandermonde_approx_1d/vandermonde_approx_1d.html">
      VANDERMONDE_APPROX_1D</a