08-Jan-2022 10:57:39 vandermonde_approx_2d_test(): MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2. Test vandermonde_approx_2d(). The R8LIB library is needed. This test also needs the TEST_INTERP_2D library. vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #1. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0273665 Created plot file "p01_data.png". Created plot file "p01_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #1. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.0146671 Created plot file "p01_data.png". Created plot file "p01_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #1. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.0122564 Created plot file "p01_data.png". Created plot file "p01_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #1. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.00656543 Created plot file "p01_data.png". Created plot file "p01_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #1. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.00144788 Created plot file "p01_data.png". Created plot file "p01_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #2. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0100644 Created plot file "p02_data.png". Created plot file "p02_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #2. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.00468829 Created plot file "p02_data.png". Created plot file "p02_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #2. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.00468413 Created plot file "p02_data.png". Created plot file "p02_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #2. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.00300146 Created plot file "p02_data.png". Created plot file "p02_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #2. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.00110664 Created plot file "p02_data.png". Created plot file "p02_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #3. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0094149 Created plot file "p03_data.png". Created plot file "p03_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #3. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.00832351 Created plot file "p03_data.png". Created plot file "p03_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #3. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.00436866 Created plot file "p03_data.png". Created plot file "p03_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #3. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.00164568 Created plot file "p03_data.png". Created plot file "p03_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #3. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.000116524 Created plot file "p03_data.png". Created plot file "p03_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #4. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.00828357 Created plot file "p04_data.png". Created plot file "p04_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #4. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.00827511 Created plot file "p04_data.png". Created plot file "p04_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #4. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.00267982 Created plot file "p04_data.png". Created plot file "p04_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #4. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.000575185 Created plot file "p04_data.png". Created plot file "p04_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #4. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 5.34508e-06 Created plot file "p04_data.png". Created plot file "p04_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #5. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.00726498 Created plot file "p05_data.png". Created plot file "p05_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #5. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.00726375 Created plot file "p05_data.png". Created plot file "p05_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #5. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.00499903 Created plot file "p05_data.png". Created plot file "p05_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #5. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.00291062 Created plot file "p05_data.png". Created plot file "p05_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #5. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.000362044 Created plot file "p05_data.png". Created plot file "p05_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #6. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0086155 Created plot file "p06_data.png". Created plot file "p06_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #6. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.00860026 Created plot file "p06_data.png". Created plot file "p06_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #6. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.000721886 Created plot file "p06_data.png". Created plot file "p06_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #6. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 9.40424e-05 Created plot file "p06_data.png". Created plot file "p06_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #6. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 9.50941e-07 Created plot file "p06_data.png". Created plot file "p06_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #7. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.100742 Created plot file "p07_data.png". Created plot file "p07_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #7. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.099925 Created plot file "p07_data.png". Created plot file "p07_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #7. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.0992833 Created plot file "p07_data.png". Created plot file "p07_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #7. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.0884775 Created plot file "p07_data.png". Created plot file "p07_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #7. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.0414643 Created plot file "p07_data.png". Created plot file "p07_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #8. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0475956 Created plot file "p08_data.png". Created plot file "p08_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #8. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.0475569 Created plot file "p08_data.png". Created plot file "p08_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #8. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.0332931 Created plot file "p08_data.png". Created plot file "p08_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #8. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.0202042 Created plot file "p08_data.png". Created plot file "p08_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #8. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.00521182 Created plot file "p08_data.png". Created plot file "p08_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #9. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 2.11162 Created plot file "p09_data.png". Created plot file "p09_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #9. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 2.0965 Created plot file "p09_data.png". Created plot file "p09_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #9. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 2.02805 Created plot file "p09_data.png". Created plot file "p09_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #9. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 1.74806 Created plot file "p09_data.png". Created plot file "p09_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #9. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.674845 Created plot file "p09_data.png". Created plot file "p09_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #10. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.020071 Created plot file "p10_data.png". Created plot file "p10_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #10. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.0200554 Created plot file "p10_data.png". Created plot file "p10_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #10. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.0177757 Created plot file "p10_data.png". Created plot file "p10_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #10. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.0144741 Created plot file "p10_data.png". Created plot file "p10_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #10. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.00675567 Created plot file "p10_data.png". Created plot file "p10_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #11. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0517436 Created plot file "p11_data.png". Created plot file "p11_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #11. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.00993196 Created plot file "p11_data.png". Created plot file "p11_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #11. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 1.1597e-17 Created plot file "p11_data.png". Created plot file "p11_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #11. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 1.95961e-17 Created plot file "p11_data.png". Created plot file "p11_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #11. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 4.36724e-17 Created plot file "p11_data.png". Created plot file "p11_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #12. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0410577 Created plot file "p12_data.png". Created plot file "p12_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #12. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.0274178 Created plot file "p12_data.png". Created plot file "p12_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #12. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.0179013 Created plot file "p12_data.png". Created plot file "p12_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #12. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.00472123 Created plot file "p12_data.png". Created plot file "p12_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #12. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.000145301 Created plot file "p12_data.png". Created plot file "p12_poly08.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #13. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 0 Number of data points = 100 L2 data approximation error = 0.0105611 Created plot file "p13_data.png". Created plot file "p13_poly00.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #13. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 1 Number of data points = 100 L2 data approximation error = 0.0105584 Created plot file "p13_data.png". Created plot file "p13_poly01.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #13. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 2 Number of data points = 100 L2 data approximation error = 0.00747809 Created plot file "p13_data.png". Created plot file "p13_poly02.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #13. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 4 Number of data points = 100 L2 data approximation error = 0.00516357 Created plot file "p13_data.png". Created plot file "p13_poly04.png". vandermonde_approx_2d_test01(): Approximate data from TEST_INTERP_2D problem #13. Use grid from TEST_INTERP_2D with index #1. Using polynomial approximant of total degree 8 Number of data points = 100 L2 data approximation error = 0.00192338 Created plot file "p13_data.png". Created plot file "p13_poly08.png". vandermonde_approx_2d_test(): Normal end of execution. 08-Jan-2022 10:58:19