least_squares_approximant_test 12-Feb-2019 20:21:36 least_squares_approximant_test: MATLAB version Test least_squares_approximant. {Undefined function or variable 'p00_prob_num'. Error in least_squares_approximant_test (line 27) prob_num = p00_prob_num ( ); } least_squares_approximant_test 12-Feb-2019 20:22:12 least_squares_approximant_test: MATLAB version Test least_squares_approximant. least_squares_approximant_test01: Approximate data from TEST_INTERP problem #1 using a least squares polynomial of degree 1 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 4.000000 2: 1.000000 5.000000 3: 2.000000 6.000000 4: 4.000000 6.000000 5: 5.000000 5.000000 6: 6.000000 3.000000 7: 7.000000 1.000000 8: 8.000000 1.000000 9: 9.000000 1.000000 10: 10.000000 3.000000 11: 11.000000 4.000000 12: 12.000000 4.000000 13: 13.000000 3.000000 14: 14.000000 3.000000 15: 15.000000 4.000000 16: 16.000000 4.000000 17: 17.000000 3.000000 18: 18.000000 0.000000 Averaged L2 approximation error at data nodes = 0.350074 Normalized length of piecewise linear interpolant = 3.13553 Normalized length of least squares approximant = 1.08357 Created plot file "p01_data.png". Created plot file "p01_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #1 using a least squares polynomial of degree 2 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 4.000000 2: 1.000000 5.000000 3: 2.000000 6.000000 4: 4.000000 6.000000 5: 5.000000 5.000000 6: 6.000000 3.000000 7: 7.000000 1.000000 8: 8.000000 1.000000 9: 9.000000 1.000000 10: 10.000000 3.000000 11: 11.000000 4.000000 12: 12.000000 4.000000 13: 13.000000 3.000000 14: 14.000000 3.000000 15: 15.000000 4.000000 16: 16.000000 4.000000 17: 17.000000 3.000000 18: 18.000000 0.000000 Averaged L2 approximation error at data nodes = 0.344057 Normalized length of piecewise linear interpolant = 3.13553 Normalized length of least squares approximant = 1.12211 Created plot file "p01_data.png". Created plot file "p01_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #1 using a least squares polynomial of degree 3 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 4.000000 2: 1.000000 5.000000 3: 2.000000 6.000000 4: 4.000000 6.000000 5: 5.000000 5.000000 6: 6.000000 3.000000 7: 7.000000 1.000000 8: 8.000000 1.000000 9: 9.000000 1.000000 10: 10.000000 3.000000 11: 11.000000 4.000000 12: 12.000000 4.000000 13: 13.000000 3.000000 14: 14.000000 3.000000 15: 15.000000 4.000000 16: 16.000000 4.000000 17: 17.000000 3.000000 18: 18.000000 0.000000 Averaged L2 approximation error at data nodes = 0.332868 Normalized length of piecewise linear interpolant = 3.13553 Normalized length of least squares approximant = 1.31026 Created plot file "p01_data.png". Created plot file "p01_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #1 using a least squares polynomial of degree 4 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 4.000000 2: 1.000000 5.000000 3: 2.000000 6.000000 4: 4.000000 6.000000 5: 5.000000 5.000000 6: 6.000000 3.000000 7: 7.000000 1.000000 8: 8.000000 1.000000 9: 9.000000 1.000000 10: 10.000000 3.000000 11: 11.000000 4.000000 12: 12.000000 4.000000 13: 13.000000 3.000000 14: 14.000000 3.000000 15: 15.000000 4.000000 16: 16.000000 4.000000 17: 17.000000 3.000000 18: 18.000000 0.000000 Averaged L2 approximation error at data nodes = 0.199123 Normalized length of piecewise linear interpolant = 3.13553 Normalized length of least squares approximant = 2.51647 Created plot file "p01_data.png". Created plot file "p01_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #1 using a least squares polynomial of degree 5 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 4.000000 2: 1.000000 5.000000 3: 2.000000 6.000000 4: 4.000000 6.000000 5: 5.000000 5.000000 6: 6.000000 3.000000 7: 7.000000 1.000000 8: 8.000000 1.000000 9: 9.000000 1.000000 10: 10.000000 3.000000 11: 11.000000 4.000000 12: 12.000000 4.000000 13: 13.000000 3.000000 14: 14.000000 3.000000 15: 15.000000 4.000000 16: 16.000000 4.000000 17: 17.000000 3.000000 18: 18.000000 0.000000 Averaged L2 approximation error at data nodes = 0.190907 Normalized length of piecewise linear interpolant = 3.13553 Normalized length of least squares approximant = 2.60932 Created plot file "p01_data.png". Created plot file "p01_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #1 using a least squares polynomial of degree 6 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 4.000000 2: 1.000000 5.000000 3: 2.000000 6.000000 4: 4.000000 6.000000 5: 5.000000 5.000000 6: 6.000000 3.000000 7: 7.000000 1.000000 8: 8.000000 1.000000 9: 9.000000 1.000000 10: 10.000000 3.000000 11: 11.000000 4.000000 12: 12.000000 4.000000 13: 13.000000 3.000000 14: 14.000000 3.000000 15: 15.000000 4.000000 16: 16.000000 4.000000 17: 17.000000 3.000000 18: 18.000000 0.000000 Averaged L2 approximation error at data nodes = 0.189739 Normalized length of piecewise linear interpolant = 3.13553 Normalized length of least squares approximant = 2.59548 Created plot file "p01_data.png". Created plot file "p01_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #2 using a least squares polynomial of degree 1 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 1.340000 5.000000 3: 5.000000 8.660000 4: 10.000000 10.000000 5: 10.600000 10.400000 6: 10.700000 12.000000 7: 10.705000 28.600000 8: 10.800000 30.200000 9: 11.400000 30.600000 10: 19.600000 30.600000 11: 20.200000 30.200000 12: 20.295000 28.600000 13: 20.300000 12.000000 14: 20.400000 10.400000 15: 21.000000 10.000000 16: 26.000000 8.660000 17: 29.660000 5.000000 18: 31.000000 0.000000 Averaged L2 approximation error at data nodes = 2.58162 Normalized length of piecewise linear interpolant = 2.66086 Normalized length of least squares approximant = 1 Created plot file "p02_data.png". Created plot file "p02_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #2 using a least squares polynomial of degree 2 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 1.340000 5.000000 3: 5.000000 8.660000 4: 10.000000 10.000000 5: 10.600000 10.400000 6: 10.700000 12.000000 7: 10.705000 28.600000 8: 10.800000 30.200000 9: 11.400000 30.600000 10: 19.600000 30.600000 11: 20.200000 30.200000 12: 20.295000 28.600000 13: 20.300000 12.000000 14: 20.400000 10.400000 15: 21.000000 10.000000 16: 26.000000 8.660000 17: 29.660000 5.000000 18: 31.000000 0.000000 Averaged L2 approximation error at data nodes = 1.80946 Normalized length of piecewise linear interpolant = 2.66086 Normalized length of least squares approximant = 1.88131 Created plot file "p02_data.png". Created plot file "p02_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #2 using a least squares polynomial of degree 3 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 1.340000 5.000000 3: 5.000000 8.660000 4: 10.000000 10.000000 5: 10.600000 10.400000 6: 10.700000 12.000000 7: 10.705000 28.600000 8: 10.800000 30.200000 9: 11.400000 30.600000 10: 19.600000 30.600000 11: 20.200000 30.200000 12: 20.295000 28.600000 13: 20.300000 12.000000 14: 20.400000 10.400000 15: 21.000000 10.000000 16: 26.000000 8.660000 17: 29.660000 5.000000 18: 31.000000 0.000000 Averaged L2 approximation error at data nodes = 1.80946 Normalized length of piecewise linear interpolant = 2.66086 Normalized length of least squares approximant = 1.88131 Created plot file "p02_data.png". Created plot file "p02_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #2 using a least squares polynomial of degree 4 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 1.340000 5.000000 3: 5.000000 8.660000 4: 10.000000 10.000000 5: 10.600000 10.400000 6: 10.700000 12.000000 7: 10.705000 28.600000 8: 10.800000 30.200000 9: 11.400000 30.600000 10: 19.600000 30.600000 11: 20.200000 30.200000 12: 20.295000 28.600000 13: 20.300000 12.000000 14: 20.400000 10.400000 15: 21.000000 10.000000 16: 26.000000 8.660000 17: 29.660000 5.000000 18: 31.000000 0.000000 Averaged L2 approximation error at data nodes = 1.76341 Normalized length of piecewise linear interpolant = 2.66086 Normalized length of least squares approximant = 1.90124 Created plot file "p02_data.png". Created plot file "p02_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #2 using a least squares polynomial of degree 5 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 1.340000 5.000000 3: 5.000000 8.660000 4: 10.000000 10.000000 5: 10.600000 10.400000 6: 10.700000 12.000000 7: 10.705000 28.600000 8: 10.800000 30.200000 9: 11.400000 30.600000 10: 19.600000 30.600000 11: 20.200000 30.200000 12: 20.295000 28.600000 13: 20.300000 12.000000 14: 20.400000 10.400000 15: 21.000000 10.000000 16: 26.000000 8.660000 17: 29.660000 5.000000 18: 31.000000 0.000000 Averaged L2 approximation error at data nodes = 1.76341 Normalized length of piecewise linear interpolant = 2.66086 Normalized length of least squares approximant = 1.90124 Created plot file "p02_data.png". Created plot file "p02_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #2 using a least squares polynomial of degree 6 Number of data points = 18 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 1.340000 5.000000 3: 5.000000 8.660000 4: 10.000000 10.000000 5: 10.600000 10.400000 6: 10.700000 12.000000 7: 10.705000 28.600000 8: 10.800000 30.200000 9: 11.400000 30.600000 10: 19.600000 30.600000 11: 20.200000 30.200000 12: 20.295000 28.600000 13: 20.300000 12.000000 14: 20.400000 10.400000 15: 21.000000 10.000000 16: 26.000000 8.660000 17: 29.660000 5.000000 18: 31.000000 0.000000 Averaged L2 approximation error at data nodes = 1.63488 Normalized length of piecewise linear interpolant = 2.66086 Normalized length of least squares approximant = 3.36199 Created plot file "p02_data.png". Created plot file "p02_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #3 using a least squares polynomial of degree 1 Number of data points = 11 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 2.000000 10.000000 3: 3.000000 10.000000 4: 5.000000 10.000000 5: 6.000000 10.000000 6: 8.000000 10.000000 7: 9.000000 10.500000 8: 11.000000 15.000000 9: 12.000000 50.000000 10: 14.000000 60.000000 11: 15.000000 85.000000 Averaged L2 approximation error at data nodes = 4.4679 Normalized length of piecewise linear interpolant = 1.68472 Normalized length of least squares approximant = 1.28026 Created plot file "p03_data.png". Created plot file "p03_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #3 using a least squares polynomial of degree 2 Number of data points = 11 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 2.000000 10.000000 3: 3.000000 10.000000 4: 5.000000 10.000000 5: 6.000000 10.000000 6: 8.000000 10.000000 7: 9.000000 10.500000 8: 11.000000 15.000000 9: 12.000000 50.000000 10: 14.000000 60.000000 11: 15.000000 85.000000 Averaged L2 approximation error at data nodes = 2.59431 Normalized length of piecewise linear interpolant = 1.68472 Normalized length of least squares approximant = 1.48631 Created plot file "p03_data.png". Created plot file "p03_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #3 using a least squares polynomial of degree 3 Number of data points = 11 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 2.000000 10.000000 3: 3.000000 10.000000 4: 5.000000 10.000000 5: 6.000000 10.000000 6: 8.000000 10.000000 7: 9.000000 10.500000 8: 11.000000 15.000000 9: 12.000000 50.000000 10: 14.000000 60.000000 11: 15.000000 85.000000 Averaged L2 approximation error at data nodes = 1.74627 Normalized length of piecewise linear interpolant = 1.68472 Normalized length of least squares approximant = 1.58943 Created plot file "p03_data.png". Created plot file "p03_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #3 using a least squares polynomial of degree 4 Number of data points = 11 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 2.000000 10.000000 3: 3.000000 10.000000 4: 5.000000 10.000000 5: 6.000000 10.000000 6: 8.000000 10.000000 7: 9.000000 10.500000 8: 11.000000 15.000000 9: 12.000000 50.000000 10: 14.000000 60.000000 11: 15.000000 85.000000 Averaged L2 approximation error at data nodes = 1.68297 Normalized length of piecewise linear interpolant = 1.68472 Normalized length of least squares approximant = 1.61226 Created plot file "p03_data.png". Created plot file "p03_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #3 using a least squares polynomial of degree 5 Number of data points = 11 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 2.000000 10.000000 3: 3.000000 10.000000 4: 5.000000 10.000000 5: 6.000000 10.000000 6: 8.000000 10.000000 7: 9.000000 10.500000 8: 11.000000 15.000000 9: 12.000000 50.000000 10: 14.000000 60.000000 11: 15.000000 85.000000 Averaged L2 approximation error at data nodes = 1.66663 Normalized length of piecewise linear interpolant = 1.68472 Normalized length of least squares approximant = 1.59507 Created plot file "p03_data.png". Created plot file "p03_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #3 using a least squares polynomial of degree 6 Number of data points = 11 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 2.000000 10.000000 3: 3.000000 10.000000 4: 5.000000 10.000000 5: 6.000000 10.000000 6: 8.000000 10.000000 7: 9.000000 10.500000 8: 11.000000 15.000000 9: 12.000000 50.000000 10: 14.000000 60.000000 11: 15.000000 85.000000 Averaged L2 approximation error at data nodes = 1.64323 Normalized length of piecewise linear interpolant = 1.68472 Normalized length of least squares approximant = 1.62067 Created plot file "p03_data.png". Created plot file "p03_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #4 using a least squares polynomial of degree 1 Number of data points = 8 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.050000 0.700000 3: 0.100000 1.000000 4: 0.200000 1.000000 5: 0.800000 0.300000 6: 0.850000 0.050000 7: 0.900000 0.100000 8: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.146011 Normalized length of piecewise linear interpolant = 3.25908 Normalized length of least squares approximant = 1.02803 Created plot file "p04_data.png". Created plot file "p04_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #4 using a least squares polynomial of degree 2 Number of data points = 8 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.050000 0.700000 3: 0.100000 1.000000 4: 0.200000 1.000000 5: 0.800000 0.300000 6: 0.850000 0.050000 7: 0.900000 0.100000 8: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.14598 Normalized length of piecewise linear interpolant = 3.25908 Normalized length of least squares approximant = 1.03194 Created plot file "p04_data.png". Created plot file "p04_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #4 using a least squares polynomial of degree 3 Number of data points = 8 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.050000 0.700000 3: 0.100000 1.000000 4: 0.200000 1.000000 5: 0.800000 0.300000 6: 0.850000 0.050000 7: 0.900000 0.100000 8: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.0559589 Normalized length of piecewise linear interpolant = 3.25908 Normalized length of least squares approximant = 3.3304 Created plot file "p04_data.png". Created plot file "p04_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #4 using a least squares polynomial of degree 4 Number of data points = 8 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.050000 0.700000 3: 0.100000 1.000000 4: 0.200000 1.000000 5: 0.800000 0.300000 6: 0.850000 0.050000 7: 0.900000 0.100000 8: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.0559577 Normalized length of piecewise linear interpolant = 3.25908 Normalized length of least squares approximant = 3.32957 Created plot file "p04_data.png". Created plot file "p04_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #4 using a least squares polynomial of degree 5 Number of data points = 8 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.050000 0.700000 3: 0.100000 1.000000 4: 0.200000 1.000000 5: 0.800000 0.300000 6: 0.850000 0.050000 7: 0.900000 0.100000 8: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.00829484 Normalized length of piecewise linear interpolant = 3.25908 Normalized length of least squares approximant = 3.58478 Created plot file "p04_data.png". Created plot file "p04_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #4 using a least squares polynomial of degree 6 Number of data points = 8 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.050000 0.700000 3: 0.100000 1.000000 4: 0.200000 1.000000 5: 0.800000 0.300000 6: 0.850000 0.050000 7: 0.900000 0.100000 8: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.0065995 Normalized length of piecewise linear interpolant = 3.25908 Normalized length of least squares approximant = 4.43914 Created plot file "p04_data.png". Created plot file "p04_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #5 using a least squares polynomial of degree 1 Number of data points = 9 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.100000 0.900000 3: 0.200000 0.950000 4: 0.300000 0.900000 5: 0.400000 0.100000 6: 0.500000 0.050000 7: 0.600000 0.050000 8: 0.800000 0.200000 9: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.143322 Normalized length of piecewise linear interpolant = 3.2218 Normalized length of least squares approximant = 1.00003 Created plot file "p05_data.png". Created plot file "p05_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #5 using a least squares polynomial of degree 2 Number of data points = 9 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.100000 0.900000 3: 0.200000 0.950000 4: 0.300000 0.900000 5: 0.400000 0.100000 6: 0.500000 0.050000 7: 0.600000 0.050000 8: 0.800000 0.200000 9: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.13517 Normalized length of piecewise linear interpolant = 3.2218 Normalized length of least squares approximant = 1.31038 Created plot file "p05_data.png". Created plot file "p05_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #5 using a least squares polynomial of degree 3 Number of data points = 9 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.100000 0.900000 3: 0.200000 0.950000 4: 0.300000 0.900000 5: 0.400000 0.100000 6: 0.500000 0.050000 7: 0.600000 0.050000 8: 0.800000 0.200000 9: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.0717904 Normalized length of piecewise linear interpolant = 3.2218 Normalized length of least squares approximant = 3.05546 Created plot file "p05_data.png". Created plot file "p05_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #5 using a least squares polynomial of degree 4 Number of data points = 9 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.100000 0.900000 3: 0.200000 0.950000 4: 0.300000 0.900000 5: 0.400000 0.100000 6: 0.500000 0.050000 7: 0.600000 0.050000 8: 0.800000 0.200000 9: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.0391096 Normalized length of piecewise linear interpolant = 3.2218 Normalized length of least squares approximant = 3.42544 Created plot file "p05_data.png". Created plot file "p05_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #5 using a least squares polynomial of degree 5 Number of data points = 9 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.100000 0.900000 3: 0.200000 0.950000 4: 0.300000 0.900000 5: 0.400000 0.100000 6: 0.500000 0.050000 7: 0.600000 0.050000 8: 0.800000 0.200000 9: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.03589 Normalized length of piecewise linear interpolant = 3.2218 Normalized length of least squares approximant = 3.41454 Created plot file "p05_data.png". Created plot file "p05_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #5 using a least squares polynomial of degree 6 Number of data points = 9 Data array: Row: 1 2 Col 1: 0.000000 0.000000 2: 0.100000 0.900000 3: 0.200000 0.950000 4: 0.300000 0.900000 5: 0.400000 0.100000 6: 0.500000 0.050000 7: 0.600000 0.050000 8: 0.800000 0.200000 9: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.0297341 Normalized length of piecewise linear interpolant = 3.2218 Normalized length of least squares approximant = 3.79663 Created plot file "p05_data.png". Created plot file "p05_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #6 using a least squares polynomial of degree 1 Number of data points = 49 Data array: Row: 1 2 Col 1: 595.000000 0.644000 2: 605.000000 0.622000 3: 615.000000 0.638000 4: 625.000000 0.649000 5: 635.000000 0.652000 6: 645.000000 0.639000 7: 655.000000 0.646000 8: 665.000000 0.657000 9: 675.000000 0.652000 10: 685.000000 0.655000 11: 695.000000 0.644000 12: 705.000000 0.663000 13: 715.000000 0.663000 14: 725.000000 0.668000 15: 735.000000 0.676000 16: 745.000000 0.676000 17: 755.000000 0.686000 18: 765.000000 0.679000 19: 775.000000 0.678000 20: 785.000000 0.683000 21: 795.000000 0.694000 22: 805.000000 0.699000 23: 815.000000 0.710000 24: 825.000000 0.730000 25: 835.000000 0.763000 26: 845.000000 0.812000 27: 855.000000 0.907000 28: 865.000000 1.044000 29: 875.000000 1.336000 30: 885.000000 1.881000 31: 895.000000 2.169000 32: 905.000000 2.075000 33: 915.000000 1.598000 34: 925.000000 1.211000 35: 935.000000 0.916000 36: 945.000000 0.746000 37: 955.000000 0.672000 38: 965.000000 0.627000 39: 975.000000 0.615000 40: 985.000000 0.607000 41: 995.000000 0.606000 42: 1005.000000 0.609000 43: 1015.000000 0.603000 44: 1025.000000 0.601000 45: 1035.000000 0.603000 46: 1045.000000 0.601000 47: 1055.000000 0.611000 48: 1065.000000 0.601000 49: 1075.000000 0.608000 Averaged L2 approximation error at data nodes = 0.0525121 Normalized length of piecewise linear interpolant = 2.68209 Normalized length of least squares approximant = 1.0062 Created plot file "p06_data.png". Created plot file "p06_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #6 using a least squares polynomial of degree 2 Number of data points = 49 Data array: Row: 1 2 Col 1: 595.000000 0.644000 2: 605.000000 0.622000 3: 615.000000 0.638000 4: 625.000000 0.649000 5: 635.000000 0.652000 6: 645.000000 0.639000 7: 655.000000 0.646000 8: 665.000000 0.657000 9: 675.000000 0.652000 10: 685.000000 0.655000 11: 695.000000 0.644000 12: 705.000000 0.663000 13: 715.000000 0.663000 14: 725.000000 0.668000 15: 735.000000 0.676000 16: 745.000000 0.676000 17: 755.000000 0.686000 18: 765.000000 0.679000 19: 775.000000 0.678000 20: 785.000000 0.683000 21: 795.000000 0.694000 22: 805.000000 0.699000 23: 815.000000 0.710000 24: 825.000000 0.730000 25: 835.000000 0.763000 26: 845.000000 0.812000 27: 855.000000 0.907000 28: 865.000000 1.044000 29: 875.000000 1.336000 30: 885.000000 1.881000 31: 895.000000 2.169000 32: 905.000000 2.075000 33: 915.000000 1.598000 34: 925.000000 1.211000 35: 935.000000 0.916000 36: 945.000000 0.746000 37: 955.000000 0.672000 38: 965.000000 0.627000 39: 975.000000 0.615000 40: 985.000000 0.607000 41: 995.000000 0.606000 42: 1005.000000 0.609000 43: 1015.000000 0.603000 44: 1025.000000 0.601000 45: 1035.000000 0.603000 46: 1045.000000 0.601000 47: 1055.000000 0.611000 48: 1065.000000 0.601000 49: 1075.000000 0.608000 Averaged L2 approximation error at data nodes = 0.0473605 Normalized length of piecewise linear interpolant = 2.68209 Normalized length of least squares approximant = 1.2402 Created plot file "p06_data.png". Created plot file "p06_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #6 using a least squares polynomial of degree 3 Number of data points = 49 Data array: Row: 1 2 Col 1: 595.000000 0.644000 2: 605.000000 0.622000 3: 615.000000 0.638000 4: 625.000000 0.649000 5: 635.000000 0.652000 6: 645.000000 0.639000 7: 655.000000 0.646000 8: 665.000000 0.657000 9: 675.000000 0.652000 10: 685.000000 0.655000 11: 695.000000 0.644000 12: 705.000000 0.663000 13: 715.000000 0.663000 14: 725.000000 0.668000 15: 735.000000 0.676000 16: 745.000000 0.676000 17: 755.000000 0.686000 18: 765.000000 0.679000 19: 775.000000 0.678000 20: 785.000000 0.683000 21: 795.000000 0.694000 22: 805.000000 0.699000 23: 815.000000 0.710000 24: 825.000000 0.730000 25: 835.000000 0.763000 26: 845.000000 0.812000 27: 855.000000 0.907000 28: 865.000000 1.044000 29: 875.000000 1.336000 30: 885.000000 1.881000 31: 895.000000 2.169000 32: 905.000000 2.075000 33: 915.000000 1.598000 34: 925.000000 1.211000 35: 935.000000 0.916000 36: 945.000000 0.746000 37: 955.000000 0.672000 38: 965.000000 0.627000 39: 975.000000 0.615000 40: 985.000000 0.607000 41: 995.000000 0.606000 42: 1005.000000 0.609000 43: 1015.000000 0.603000 44: 1025.000000 0.601000 45: 1035.000000 0.603000 46: 1045.000000 0.601000 47: 1055.000000 0.611000 48: 1065.000000 0.601000 49: 1075.000000 0.608000 Averaged L2 approximation error at data nodes = 0.0437687 Normalized length of piecewise linear interpolant = 2.68209 Normalized length of least squares approximant = 1.43902 Created plot file "p06_data.png". Created plot file "p06_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #6 using a least squares polynomial of degree 4 Number of data points = 49 Data array: Row: 1 2 Col 1: 595.000000 0.644000 2: 605.000000 0.622000 3: 615.000000 0.638000 4: 625.000000 0.649000 5: 635.000000 0.652000 6: 645.000000 0.639000 7: 655.000000 0.646000 8: 665.000000 0.657000 9: 675.000000 0.652000 10: 685.000000 0.655000 11: 695.000000 0.644000 12: 705.000000 0.663000 13: 715.000000 0.663000 14: 725.000000 0.668000 15: 735.000000 0.676000 16: 745.000000 0.676000 17: 755.000000 0.686000 18: 765.000000 0.679000 19: 775.000000 0.678000 20: 785.000000 0.683000 21: 795.000000 0.694000 22: 805.000000 0.699000 23: 815.000000 0.710000 24: 825.000000 0.730000 25: 835.000000 0.763000 26: 845.000000 0.812000 27: 855.000000 0.907000 28: 865.000000 1.044000 29: 875.000000 1.336000 30: 885.000000 1.881000 31: 895.000000 2.169000 32: 905.000000 2.075000 33: 915.000000 1.598000 34: 925.000000 1.211000 35: 935.000000 0.916000 36: 945.000000 0.746000 37: 955.000000 0.672000 38: 965.000000 0.627000 39: 975.000000 0.615000 40: 985.000000 0.607000 41: 995.000000 0.606000 42: 1005.000000 0.609000 43: 1015.000000 0.603000 44: 1025.000000 0.601000 45: 1035.000000 0.603000 46: 1045.000000 0.601000 47: 1055.000000 0.611000 48: 1065.000000 0.601000 49: 1075.000000 0.608000 [Warning: Rank deficient, rank = 4, tol = 5.115918e-02.] [> In least_squares_approximant_coef (line 65) In least_squares_approximant_test01 (line 43) In least_squares_approximant_test (line 31) ] Averaged L2 approximation error at data nodes = 0.0443293 Normalized length of piecewise linear interpolant = 2.68209 Normalized length of least squares approximant = 1.41035 Created plot file "p06_data.png". Created plot file "p06_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #6 using a least squares polynomial of degree 5 Number of data points = 49 Data array: Row: 1 2 Col 1: 595.000000 0.644000 2: 605.000000 0.622000 3: 615.000000 0.638000 4: 625.000000 0.649000 5: 635.000000 0.652000 6: 645.000000 0.639000 7: 655.000000 0.646000 8: 665.000000 0.657000 9: 675.000000 0.652000 10: 685.000000 0.655000 11: 695.000000 0.644000 12: 705.000000 0.663000 13: 715.000000 0.663000 14: 725.000000 0.668000 15: 735.000000 0.676000 16: 745.000000 0.676000 17: 755.000000 0.686000 18: 765.000000 0.679000 19: 775.000000 0.678000 20: 785.000000 0.683000 21: 795.000000 0.694000 22: 805.000000 0.699000 23: 815.000000 0.710000 24: 825.000000 0.730000 25: 835.000000 0.763000 26: 845.000000 0.812000 27: 855.000000 0.907000 28: 865.000000 1.044000 29: 875.000000 1.336000 30: 885.000000 1.881000 31: 895.000000 2.169000 32: 905.000000 2.075000 33: 915.000000 1.598000 34: 925.000000 1.211000 35: 935.000000 0.916000 36: 945.000000 0.746000 37: 955.000000 0.672000 38: 965.000000 0.627000 39: 975.000000 0.615000 40: 985.000000 0.607000 41: 995.000000 0.606000 42: 1005.000000 0.609000 43: 1015.000000 0.603000 44: 1025.000000 0.601000 45: 1035.000000 0.603000 46: 1045.000000 0.601000 47: 1055.000000 0.611000 48: 1065.000000 0.601000 49: 1075.000000 0.608000 [Warning: Rank deficient, rank = 4, tol = 5.005005e+01.] [> In least_squares_approximant_coef (line 65) In least_squares_approximant_test01 (line 43) In least_squares_approximant_test (line 31) ] Averaged L2 approximation error at data nodes = 0.0448312 Normalized length of piecewise linear interpolant = 2.68209 Normalized length of least squares approximant = 1.39049 Created plot file "p06_data.png". Created plot file "p06_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #6 using a least squares polynomial of degree 6 Number of data points = 49 Data array: Row: 1 2 Col 1: 595.000000 0.644000 2: 605.000000 0.622000 3: 615.000000 0.638000 4: 625.000000 0.649000 5: 635.000000 0.652000 6: 645.000000 0.639000 7: 655.000000 0.646000 8: 665.000000 0.657000 9: 675.000000 0.652000 10: 685.000000 0.655000 11: 695.000000 0.644000 12: 705.000000 0.663000 13: 715.000000 0.663000 14: 725.000000 0.668000 15: 735.000000 0.676000 16: 745.000000 0.676000 17: 755.000000 0.686000 18: 765.000000 0.679000 19: 775.000000 0.678000 20: 785.000000 0.683000 21: 795.000000 0.694000 22: 805.000000 0.699000 23: 815.000000 0.710000 24: 825.000000 0.730000 25: 835.000000 0.763000 26: 845.000000 0.812000 27: 855.000000 0.907000 28: 865.000000 1.044000 29: 875.000000 1.336000 30: 885.000000 1.881000 31: 895.000000 2.169000 32: 905.000000 2.075000 33: 915.000000 1.598000 34: 925.000000 1.211000 35: 935.000000 0.916000 36: 945.000000 0.746000 37: 955.000000 0.672000 38: 965.000000 0.627000 39: 975.000000 0.615000 40: 985.000000 0.607000 41: 995.000000 0.606000 42: 1005.000000 0.609000 43: 1015.000000 0.603000 44: 1025.000000 0.601000 45: 1035.000000 0.603000 46: 1045.000000 0.601000 47: 1055.000000 0.611000 48: 1065.000000 0.601000 49: 1075.000000 0.608000 [Warning: Rank deficient, rank = 4, tol = 4.974098e+04.] [> In least_squares_approximant_coef (line 65) In least_squares_approximant_test01 (line 43) In least_squares_approximant_test (line 31) ] Averaged L2 approximation error at data nodes = 0.0451223 Normalized length of piecewise linear interpolant = 2.68209 Normalized length of least squares approximant = 1.37352 Created plot file "p06_data.png". Created plot file "p06_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #7 using a least squares polynomial of degree 1 Number of data points = 4 Data array: Row: 1 2 Col 1: 0.000000 1.000000 2: 1.000000 2.000000 3: 4.000000 2.000000 4: 5.000000 1.000000 Averaged L2 approximation error at data nodes = 0.25 Normalized length of piecewise linear interpolant = 2.63961 Normalized length of least squares approximant = 1 Created plot file "p07_data.png". Created plot file "p07_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #7 using a least squares polynomial of degree 2 Number of data points = 4 Data array: Row: 1 2 Col 1: 0.000000 1.000000 2: 1.000000 2.000000 3: 4.000000 2.000000 4: 5.000000 1.000000 Averaged L2 approximation error at data nodes = 7.92858e-16 Normalized length of piecewise linear interpolant = 2.63961 Normalized length of least squares approximant = 3.36731 Created plot file "p07_data.png". Created plot file "p07_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #7 using a least squares polynomial of degree 3 Number of data points = 4 Data array: Row: 1 2 Col 1: 0.000000 1.000000 2: 1.000000 2.000000 3: 4.000000 2.000000 4: 5.000000 1.000000 Averaged L2 approximation error at data nodes = 1.57009e-16 Normalized length of piecewise linear interpolant = 2.63961 Normalized length of least squares approximant = 3.36731 Created plot file "p07_data.png". Created plot file "p07_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #7 using a least squares polynomial of degree 4 Number of data points = 4 Data array: Row: 1 2 Col 1: 0.000000 1.000000 2: 1.000000 2.000000 3: 4.000000 2.000000 4: 5.000000 1.000000 Averaged L2 approximation error at data nodes = 1.57009e-16 Normalized length of piecewise linear interpolant = 2.63961 Normalized length of least squares approximant = 3.36731 Created plot file "p07_data.png". Created plot file "p07_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #7 using a least squares polynomial of degree 5 Number of data points = 4 Data array: Row: 1 2 Col 1: 0.000000 1.000000 2: 1.000000 2.000000 3: 4.000000 2.000000 4: 5.000000 1.000000 Averaged L2 approximation error at data nodes = 1.57009e-16 Normalized length of piecewise linear interpolant = 2.63961 Normalized length of least squares approximant = 3.36731 Created plot file "p07_data.png". Created plot file "p07_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #7 using a least squares polynomial of degree 6 Number of data points = 4 Data array: Row: 1 2 Col 1: 0.000000 1.000000 2: 1.000000 2.000000 3: 4.000000 2.000000 4: 5.000000 1.000000 Averaged L2 approximation error at data nodes = 1.57009e-16 Normalized length of piecewise linear interpolant = 2.63961 Normalized length of least squares approximant = 3.36731 Created plot file "p07_data.png". Created plot file "p07_d06.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #8 using a least squares polynomial of degree 1 Number of data points = 12 Data array: Row: 1 2 Col 1: -1.000000 1.000000 2: -0.800000 0.640000 3: -0.600000 0.360000 4: -0.400000 0.160000 5: -0.200000 0.040000 6: 0.000000 0.000000 7: 0.200000 0.040000 8: 0.200010 0.050000 9: 0.400000 0.160000 10: 0.600000 0.360000 11: 0.800000 0.640000 12: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.101522 Normalized length of piecewise linear interpolant = 2.31939 Normalized length of least squares approximant = 1.00042 Created plot file "p08_data.png". Created plot file "p08_d01.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #8 using a least squares polynomial of degree 2 Number of data points = 12 Data array: Row: 1 2 Col 1: -1.000000 1.000000 2: -0.800000 0.640000 3: -0.600000 0.360000 4: -0.400000 0.160000 5: -0.200000 0.040000 6: 0.000000 0.000000 7: 0.200000 0.040000 8: 0.200010 0.050000 9: 0.400000 0.160000 10: 0.600000 0.360000 11: 0.800000 0.640000 12: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.000762201 Normalized length of piecewise linear interpolant = 2.31939 Normalized length of least squares approximant = 2.31944 Created plot file "p08_data.png". Created plot file "p08_d02.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #8 using a least squares polynomial of degree 3 Number of data points = 12 Data array: Row: 1 2 Col 1: -1.000000 1.000000 2: -0.800000 0.640000 3: -0.600000 0.360000 4: -0.400000 0.160000 5: -0.200000 0.040000 6: 0.000000 0.000000 7: 0.200000 0.040000 8: 0.200010 0.050000 9: 0.400000 0.160000 10: 0.600000 0.360000 11: 0.800000 0.640000 12: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.000748027 Normalized length of piecewise linear interpolant = 2.31939 Normalized length of least squares approximant = 2.31959 Created plot file "p08_data.png". Created plot file "p08_d03.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #8 using a least squares polynomial of degree 4 Number of data points = 12 Data array: Row: 1 2 Col 1: -1.000000 1.000000 2: -0.800000 0.640000 3: -0.600000 0.360000 4: -0.400000 0.160000 5: -0.200000 0.040000 6: 0.000000 0.000000 7: 0.200000 0.040000 8: 0.200010 0.050000 9: 0.400000 0.160000 10: 0.600000 0.360000 11: 0.800000 0.640000 12: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.000731706 Normalized length of piecewise linear interpolant = 2.31939 Normalized length of least squares approximant = 2.32028 Created plot file "p08_data.png". Created plot file "p08_d04.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #8 using a least squares polynomial of degree 5 Number of data points = 12 Data array: Row: 1 2 Col 1: -1.000000 1.000000 2: -0.800000 0.640000 3: -0.600000 0.360000 4: -0.400000 0.160000 5: -0.200000 0.040000 6: 0.000000 0.000000 7: 0.200000 0.040000 8: 0.200010 0.050000 9: 0.400000 0.160000 10: 0.600000 0.360000 11: 0.800000 0.640000 12: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.000704364 Normalized length of piecewise linear interpolant = 2.31939 Normalized length of least squares approximant = 2.32052 Created plot file "p08_data.png". Created plot file "p08_d05.png". least_squares_approximant_test01: Approximate data from TEST_INTERP problem #8 using a least squares polynomial of degree 6 Number of data points = 12 Data array: Row: 1 2 Col 1: -1.000000 1.000000 2: -0.800000 0.640000 3: -0.600000 0.360000 4: -0.400000 0.160000 5: -0.200000 0.040000 6: 0.000000 0.000000 7: 0.200000 0.040000 8: 0.200010 0.050000 9: 0.400000 0.160000 10: 0.600000 0.360000 11: 0.800000 0.640000 12: 1.000000 1.000000 Averaged L2 approximation error at data nodes = 0.000701156 Normalized length of piecewise linear interpolant = 2.31939 Normalized length of least squares approximant = 2.32008 Created plot file "p08_data.png". Created plot file "p08_d06.png". least_squares_approximant_test: Normal end of execution. 12-Feb-2019 20:22:40 diary off