vandermonde_interp_1d_test

vandermonde_interp_1d_test, an Octave code which calls vandermonde_interp_1d(), which finds a polynomial interpolant to data by setting up and solving a linear system involving the Vandermonde matrix.

Licensing:

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

Related Data and Programs:

vandermonde_interp_1d, an Octave code which finds a polynomial interpolant to data y(x) of a 1D argument, by setting up and solving a linear system for the polynomial coefficients, involving the Vandermonde matrix.

Source Code:

• vandermonde_interp_1d_test.m, calls all the tests;
• vandermonde_interp_1d_test.sh, runs all the tests;
• vandermonde_interp_1d_test.txt, the output file.

• vandermonde_interp_1d_test01.m, computes the interpolant for a given problem.
• vandermonde_coef_1d_test.m
• vandermonde_matrix_1d_test.m
• vandermonde_value_1d_test.m

The code generates some plots of the data and approximants.

• p01_data.png, a plot of the data and piecewise linear interpolant for problem p01;
• p01_poly.png, a plot of the polynomial interpolant for problem p01;
• p02_data.png, a plot of the data and piecewise linear interpolant for problem p02;
• p02_poly.png, a plot of the polynomial interpolant for problem p02;
• p03_data.png, a plot of the data and piecewise linear interpolant for problem p03;
• p03_poly.png, a plot of the polynomial interpolant for problem p03;
• p04_data.png, a plot of the data and piecewise linear interpolant for problem p04;
• p04_poly.png, a plot of the polynomial interpolant for problem p04;
• p05_data.png, a plot of the data and piecewise linear interpolant for problem p05;
• p05_poly.png, a plot of the polynomial interpolant for problem p05;
• p06_data.png, a plot of the data and piecewise linear interpolant for problem p06;
• p06_poly.png, a plot of the polynomial interpolant for problem p06;
• p07_data.png, a plot of the data and piecewise linear interpolant for problem p07;
• p07_poly.png, a plot of the polynomial interpolant for problem p07;
• p08_data.png, a plot of the data and piecewise linear interpolant for problem p08;
• p08_poly.png, a plot of the polynomial interpolant for problem p08;