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)).
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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)).