**lagrange_approx_1d_test**,
a FORTRAN90 code which
calls lagrange_approx_1d(), which
defines and evaluates 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 FORTRAN90 code which defines and evaluates the Lagrange polynomial p(x) of degree M which approximates a set of N data points (x(i),y(i)).

- lagrange_approx_1d_test.f90, a sample calling program.
- lagrange_approx_1d_test.sh, runs all the tests.
- lagrange_approx_1d_test.txt, the output file.