**lagrange_approx_1d_test**,
a MATLAB program which
calls lagrange_approx_1d() to define and evaluate a Lagrange polynomial p(x) of degree M
which approximates a set of ND data points (x(i),y(i)).

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

lagrange_approx_1d, a MATLAB library which defines and evaluates the Lagrange polynomial p(x) of degree m which approximates a set of nd data points (x(i),y(i)).

- lagrange_approx_1d_test.m, calls all the tests.
- lagrange_approx_1d_test.sh, runs all the tests.
- lagrange_approx_1d_test.txt, the output file.

- lagrange_approx_1d_test01.m
- lagrange_approx_1d_test02.m, using evenly spaced control points.
- lagrange_approx_1d_test03.m, using Chebyshev spaced control points.