vandermonde_approx_1d_test, a FORTRAN77 code which calls vandermonde_approx_1d_test(), which finds a polynomial approximant to 1D data by setting up and solving an overdetermined linear system involving the Vandermonde matrix.
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vandermonde_approx_1d, a FORTRAN77 code which finds a polynomial approximant to 1D data by setting up and solving an overdetermined linear system involving the Vandermonde matrix.