Tue Oct 19 11:55:42 2021 lagrange_interp_1d_test Python version: 3.6.9 Test the lagrange_interp_1d library. p00_prob_num_test Python version: 3.6.9 p00_prob_num returns the number of test problems. test_interp_1d includes 8 test problems. p00_prob_num_test: Normal end of execution. p00_title_test Python version: 3.6.9 p00_title() returns the title of any test problems. test_interp_1d includes 8 test problems. #1 "f(x) = steps -1/2/1 at [0,1/3], [1/3,4/5], [4/5,1]." #2 "f(x) = (1-3x), x < 1/3 (6x-2) if 1/3 < x" #3 "f(x) = x (10*x-1) (5x-2) (5x-2) (4x-3.4) (x-1)" #4 "f(x) = atan ( 40 * x - 15 )" #5 "f(x) = cos(7*x)+5*cos(11.2*x)-2*cos(14*x)+5*cos(31.5*x)+7*cos(63*x)." #6 "f(x) = exp ( - ( 4*x-1 )^2 )" #7 "f(x) = exp ( 2 x ) if x < 0.5, 0 otherwise" #8 "f(x) = 1 / ( 1 + ( 10 * (x-1/2) )^2 )" p00_title_test: Normal end of execution. p00_f_test Python version: 3.6.9 p00_f() evaluates any function at N points X. X, Y for problem 1 0: 0 -1 1: 0.1 -1 2: 0.2 -1 3: 0.3 -1 4: 0.4 2 5: 0.5 2 6: 0.6 2 7: 0.7 2 8: 0.8 1 9: 0.9 1 10: 1 1 X, Y for problem 2 0: 0 1 1: 0.1 0.7 2: 0.2 0.4 3: 0.3 0.1 4: 0.4 0.4 5: 0.5 1 6: 0.6 1.6 7: 0.7 2.2 8: 0.8 2.8 9: 0.9 3.4 10: 1 4 X, Y for problem 3 0: 0 -0 1: 0.1 0 2: 0.2 0.416 3: 0.3 0.231 4: 0.4 0 5: 0.5 0.35 6: 0.6 1.2 7: 0.7 1.701 8: 0.8 0.896 9: 0.9 -0.9 10: 1 0 X, Y for problem 4 0: 0 -1.50423 1: 0.1 -1.48014 2: 0.2 -1.4289 3: 0.3 -1.24905 4: 0.4 0.785398 5: 0.5 1.3734 6: 0.6 1.46014 7: 0.7 1.49402 8: 0.8 1.51204 9: 0.9 1.52321 10: 1 1.53082 X, Y for problem 5 0: 0 16 1: 0.1 4.60251 2: 0.2 10.9479 3: 0.3 -2.41286 4: 0.4 8.33648 5: 0.5 3.41326 6: 0.6 17.0369 7: 0.7 4.07749 8: 0.8 7.82541 9: 0.9 -3.02927 10: 1 13.3791 X, Y for problem 6 0: 0 0.367879 1: 0.1 0.697676 2: 0.2 0.960789 3: 0.3 0.960789 4: 0.4 0.697676 5: 0.5 0.367879 6: 0.6 0.140858 7: 0.7 0.0391639 8: 0.8 0.00790705 9: 0.9 0.00115923 10: 1 0.00012341 X, Y for problem 7 0: 0 1 1: 0.1 1.49182 2: 0.2 2.22554 3: 0.3 3.32012 4: 0.4 4.95303 5: 0.5 0 6: 0.6 0 7: 0.7 0 8: 0.8 0 9: 0.9 0 10: 1 0 X, Y for problem 8 0: 0 0.0384615 1: 0.1 0.0588235 2: 0.2 0.1 3: 0.3 0.2 4: 0.4 0.5 5: 0.5 1 6: 0.6 0.5 7: 0.7 0.2 8: 0.8 0.1 9: 0.9 0.0588235 10: 1 0.0384615 p00_f_test: Normal end of execution. r8mat_print_test Python version: 3.6.9 r8mat_print prints an R8MAT. Here is an R8MAT: Col: 0 1 2 3 4 Row 0 : 11 12 13 14 15 1 : 21 22 23 24 25 2 : 31 32 33 34 35 3 : 41 42 43 44 45 Col: 5 Row 0 : 16 1 : 26 2 : 36 3 : 46 r8mat_print_test: Normal end of execution. r8mat_print_SOME_test Python version: 3.6.9 r8mat_print_SOME prints some of an R8MAT. Here is an R8MAT: Col: 3 4 5 Row 0 : 14 15 16 1 : 24 25 26 2 : 34 35 36 r8mat_print_SOME_test: Normal end of execution. r8vec_cheby_extreme_test Python version: 3.6.9 r8vec_cheby_extreme returns Chebyshev Extreme values between A and B. The vector: 0: 10 1: 11.4645 2: 15 3: 18.5355 4: 20 r8vec_cheby_extreme_test Normal end of execution. r8vec_print_test Python version: 3.6.9 r8vec_print prints an r8vec. Here is an r8vec: 0: 123.456 1: 5e-06 2: -1e+06 3: 3.14159 r8vec_print_test: Normal end of execution. r8vec2_print_test Python version: 3.6.9 r8vec2_print prints a pair of r8vec's. Print a pair of r8vec's: 0: 0 0 1: 0.2 0.04 2: 0.4 0.16 3: 0.6 0.36 4: 0.8 0.64 5: 1 1 r8vec2_print_test: Normal end of execution. lagrange_basis_1d_test: Python version: 3.6.9 lagrange_basis_1d evaluates the Lagrange 1D basis functions. The Lagrange basis functions: Col: 0 1 2 3 Row 0 : 1 0 -0 0 1 : 0.64125 0.445312 -0.095 0.0084375 2 : 0.36 0.75 -0.12 0.01 3 : 0.14875 0.929688 -0.085 0.0065625 4 : -0 1 0 -0 5 : -0.09375 0.976563 0.125 -0.0078125 6 : -0.14 0.875 0.28 -0.015 7 : -0.14625 0.710938 0.455 -0.0196875 8 : -0.12 0.5 0.64 -0.02 9 : -0.06875 0.257812 0.825 -0.0140625 10 : 0 -0 1 0 11 : 0.07875 -0.257812 1.155 0.0240625 12 : 0.16 -0.5 1.28 0.06 13 : 0.23625 -0.710938 1.365 0.109688 14 : 0.3 -0.875 1.4 0.175 15 : 0.34375 -0.976562 1.375 0.257812 16 : 0.36 -1 1.28 0.36 17 : 0.34125 -0.929688 1.105 0.483437 18 : 0.28 -0.75 0.84 0.63 19 : 0.16875 -0.445312 0.475 0.801562 20 : -0 0 -0 1 lagrange_basis_1d_test: Normal end of execution. lagrange_value_1d_test: Python version: 3.6.9 lagrange_value_1d evaluates a Lagrange 1D interpolant. Table of interpolant values: 0: 0 -28 1: 0.5 -11.375 2: 1 0 3: 1.5 6.875 4: 2 10 5: 2.5 10.125 6: 3 8 7: 3.5 4.375 8: 4 4.44089e-16 9: 4.5 -4.375 10: 5 -8 11: 5.5 -10.125 12: 6 -10 13: 6.5 -6.875 14: 7 -3.55271e-15 15: 7.5 11.375 16: 8 28 17: 8.5 50.625 18: 9 80 19: 9.5 116.875 20: 10 162 lagrange_value_1d_test: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 -1 1: 0.333333 -1 2: 0.666667 2 3: 1 1 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.20185 Normalized length of polynomial interpolant = 0.119535 Created plot file "p01_dataeven_4.png" Created plot file "p01_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 -1 1: 0.142857 -1 2: 0.285714 -1 3: 0.428571 2 4: 0.571429 2 5: 0.714286 2 6: 0.857143 1 7: 1 1 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.11981 Normalized length of polynomial interpolant = 0.374529 Created plot file "p01_dataeven_8.png" Created plot file "p01_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.08525 Normalized length of polynomial interpolant = 19.9076 Created plot file "p01_dataeven_16.png" Created plot file "p01_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.06928 Normalized length of polynomial interpolant = 202126 Created plot file "p01_dataeven_32.png" Created plot file "p01_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.0616 Normalized length of polynomial interpolant = 7.4247e+13 Created plot file "p01_dataeven_64.png" Created plot file "p01_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 1 1: 0.333333 0 2: 0.666667 2 3: 1 4 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.946485 Normalized length of polynomial interpolant = 0.0785014 Created plot file "p02_dataeven_4.png" Created plot file "p02_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 1 1: 0.142857 0.571429 2: 0.285714 0.142857 3: 0.428571 0.571429 4: 0.571429 1.42857 5: 0.714286 2.28571 6: 0.857143 3.14286 7: 1 4 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.614349 Normalized length of polynomial interpolant = 0.07441 Created plot file "p02_dataeven_8.png" Created plot file "p02_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.423281 Normalized length of polynomial interpolant = 1.25201 Created plot file "p02_dataeven_16.png" Created plot file "p02_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.293926 Normalized length of polynomial interpolant = 328.208 Created plot file "p02_dataeven_32.png" Created plot file "p02_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.20654 Normalized length of polynomial interpolant = 9.18535e+11 Created plot file "p02_dataeven_64.png" Created plot file "p02_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 -0 1: 0.333333 0.119067 2: 0.666667 1.6417 3: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.48284 Normalized length of polynomial interpolant = 0.146831 Created plot file "p03_dataeven_4.png" Created plot file "p03_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 -0 1: 0.142857 0.245377 2: 0.285714 0.279339 3: 0.428571 0.0276823 4: 0.571429 0.945157 5: 0.714286 1.68054 6: 0.857143 -0.138391 7: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.26657 Normalized length of polynomial interpolant = 0.250876 Created plot file "p03_dataeven_8.png" Created plot file "p03_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.848727 Normalized length of polynomial interpolant = 0.162677 Created plot file "p03_dataeven_16.png" Created plot file "p03_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.627063 Normalized length of polynomial interpolant = 0.159821 Created plot file "p03_dataeven_32.png" Created plot file "p03_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.44584 Normalized length of polynomial interpolant = 2.57159 Created plot file "p03_dataeven_64.png" Created plot file "p03_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 -1.50423 1: 0.333333 -1.03038 2: 0.666667 1.48529 3: 1 1.53082 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.02224 Normalized length of polynomial interpolant = 0.0924254 Created plot file "p04_dataeven_4.png" Created plot file "p04_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 -1.50423 1: 0.142857 -1.46352 2: 0.285714 -1.29779 3: 0.428571 1.13417 4: 0.571429 1.4442 5: 0.714286 1.49725 6: 0.857143 1.51899 7: 1 1.53082 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.893809 Normalized length of polynomial interpolant = 0.230606 Created plot file "p04_dataeven_8.png" Created plot file "p04_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.683526 Normalized length of polynomial interpolant = 7.47864 Created plot file "p04_dataeven_16.png" Created plot file "p04_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.491728 Normalized length of polynomial interpolant = 29302.4 Created plot file "p04_dataeven_32.png" Created plot file "p04_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.349863 Normalized length of polynomial interpolant = 6.95357e+11 Created plot file "p04_dataeven_64.png" Created plot file "p04_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 16 1: 0.333333 -10.961 2: 0.666667 -1.70409 3: 1 13.3791 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.32823 Normalized length of polynomial interpolant = 0.113135 Created plot file "p05_dataeven_4.png" Created plot file "p05_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 16 1: 0.142857 -6.20529 2: 0.285714 -4.03377 3: 0.428571 -1.54321 4: 0.571429 7.00912 5: 0.714286 0.545036 6: 0.857143 -12.9168 7: 1 13.3791 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.38805 Normalized length of polynomial interpolant = 0.218513 Created plot file "p05_dataeven_8.png" Created plot file "p05_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 2.11791 Normalized length of polynomial interpolant = 7.46356 Created plot file "p05_dataeven_16.png" Created plot file "p05_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.94819 Normalized length of polynomial interpolant = 10067.1 Created plot file "p05_dataeven_32.png" Created plot file "p05_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.38309 Normalized length of polynomial interpolant = 3.21525 Created plot file "p05_dataeven_64.png" Created plot file "p05_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 0.367879 1: 0.333333 0.894839 2: 0.666667 0.0621765 3: 1 0.00012341 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.24544 Normalized length of polynomial interpolant = 0.12361 Created plot file "p06_dataeven_4.png" Created plot file "p06_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 0.367879 1: 0.142857 0.832208 2: 0.285714 0.979799 3: 0.428571 0.600373 4: 0.571429 0.191463 5: 0.714286 0.031778 6: 0.857143 0.00274504 7: 1 0.00012341 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.861315 Normalized length of polynomial interpolant = 0.107281 Created plot file "p06_dataeven_8.png" Created plot file "p06_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.595581 Normalized length of polynomial interpolant = 0.103902 Created plot file "p06_dataeven_16.png" Created plot file "p06_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.415424 Normalized length of polynomial interpolant = 0.103614 Created plot file "p06_dataeven_32.png" Created plot file "p06_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.291595 Normalized length of polynomial interpolant = 5.99401 Created plot file "p06_dataeven_64.png" Created plot file "p06_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 1 1: 0.333333 3.79367 2: 0.666667 0 3: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.36953 Normalized length of polynomial interpolant = 0.138318 Created plot file "p07_dataeven_4.png" Created plot file "p07_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 1 1: 0.142857 1.77079 2: 0.285714 3.13571 3: 0.428571 5.55271 4: 0.571429 0 5: 0.714286 0 6: 0.857143 0 7: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.18828 Normalized length of polynomial interpolant = 0.452672 Created plot file "p07_dataeven_8.png" Created plot file "p07_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.09364 Normalized length of polynomial interpolant = 36.2035 Created plot file "p07_dataeven_16.png" Created plot file "p07_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.04659 Normalized length of polynomial interpolant = 940481 Created plot file "p07_dataeven_32.png" Created plot file "p07_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.02322 Normalized length of polynomial interpolant = 1.64881e+15 Created plot file "p07_dataeven_64.png" Created plot file "p07_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use even spacing for data points. Number of data points = 4 Data array: 0: 0 0.0384615 1: 0.333333 0.264706 2: 0.666667 0.264706 3: 1 0.0384615 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.52753 Normalized length of polynomial interpolant = 0.124499 Created plot file "p08_dataeven_4.png" Created plot file "p08_lageven_4.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use even spacing for data points. Number of data points = 8 Data array: 0: 0 0.0384615 1: 0.142857 0.0727003 2: 0.285714 0.178832 3: 0.428571 0.662162 4: 0.571429 0.662162 5: 0.714286 0.178832 6: 0.857143 0.0727003 7: 1 0.0384615 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.18653 Normalized length of polynomial interpolant = 0.191022 Created plot file "p08_dataeven_8.png" Created plot file "p08_lageven_8.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use even spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.831493 Normalized length of polynomial interpolant = 1.59912 Created plot file "p08_dataeven_16.png" Created plot file "p08_lageven_16.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use even spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.560206 Normalized length of polynomial interpolant = 752.153 Created plot file "p08_dataeven_32.png" Created plot file "p08_lageven_32.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test01: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use even spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.389295 Normalized length of polynomial interpolant = 2.20866e+08 Created plot file "p08_dataeven_64.png" Created plot file "p08_lageven_64.png". lagrange_interp_1d_test01: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 -1 1: 0.25 -1 2: 0.75 2 3: 1 1 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.21906 Normalized length of polynomial interpolant = 0.0920452 Created plot file "p01_datacheby_4.png" Created plot file "p01_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 -1 1: 0.0495156 -1 2: 0.188255 -1 3: 0.38874 2 4: 0.61126 2 5: 0.811745 1 6: 0.950484 1 7: 1 1 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.13332 Normalized length of polynomial interpolant = 0.127035 Created plot file "p01_datacheby_8.png" Created plot file "p01_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.09227 Normalized length of polynomial interpolant = 0.181544 Created plot file "p01_datacheby_16.png" Created plot file "p01_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.07279 Normalized length of polynomial interpolant = 0.254843 Created plot file "p01_datacheby_32.png" Created plot file "p01_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #1. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.06334 Normalized length of polynomial interpolant = 0.367219 Created plot file "p01_datacheby_64.png" Created plot file "p01_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 1 1: 0.25 0.25 2: 0.75 2.5 3: 1 4 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.966954 Normalized length of polynomial interpolant = 0.0737683 Created plot file "p02_datacheby_4.png" Created plot file "p02_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 1 1: 0.0495156 0.851453 2: 0.188255 0.435235 3: 0.38874 0.332437 4: 0.61126 1.66756 5: 0.811745 2.87047 6: 0.950484 3.70291 7: 1 4 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.6977 Normalized length of polynomial interpolant = 0.0755187 Created plot file "p02_datacheby_8.png" Created plot file "p02_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.475482 Normalized length of polynomial interpolant = 0.0741113 Created plot file "p02_datacheby_16.png" Created plot file "p02_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.330021 Normalized length of polynomial interpolant = 0.0734597 Created plot file "p02_datacheby_32.png" Created plot file "p02_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #2. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.232709 Normalized length of polynomial interpolant = 0.0735823 Created plot file "p02_datacheby_64.png" Created plot file "p02_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 -0 1: 0.25 0.379687 2: 0.75 1.49297 3: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.4127 Normalized length of polynomial interpolant = 0.125639 Created plot file "p03_datacheby_4.png" Created plot file "p03_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 -0 1: 0.0495156 -0.233633 2: 0.188255 0.40015 3: 0.38874 0.00401283 4: 0.61126 1.29446 5: 0.811745 0.705402 6: 0.950484 -1.21883 7: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.18756 Normalized length of polynomial interpolant = 0.18417 Created plot file "p03_datacheby_8.png" Created plot file "p03_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.876941 Normalized length of polynomial interpolant = 0.168685 Created plot file "p03_datacheby_16.png" Created plot file "p03_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.603075 Normalized length of polynomial interpolant = 0.160888 Created plot file "p03_datacheby_32.png" Created plot file "p03_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #3. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.422018 Normalized length of polynomial interpolant = 0.159182 Created plot file "p03_datacheby_64.png" Created plot file "p03_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 -1.50423 1: 0.25 -1.3734 2: 0.75 1.50423 3: 1 1.53082 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.12955 Normalized length of polynomial interpolant = 0.0793125 Created plot file "p04_datacheby_4.png" Created plot file "p04_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 -1.50423 1: 0.0495156 -1.49414 2: 0.188255 -1.43772 3: 0.38874 0.502522 4: 0.61126 1.46537 5: 0.811745 1.51362 6: 0.950484 1.52738 7: 1 1.53082 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.826593 Normalized length of polynomial interpolant = 0.087745 Created plot file "p04_datacheby_8.png" Created plot file "p04_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.772687 Normalized length of polynomial interpolant = 0.119154 Created plot file "p04_datacheby_16.png" Created plot file "p04_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.560809 Normalized length of polynomial interpolant = 0.118522 Created plot file "p04_datacheby_32.png" Created plot file "p04_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #4. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.422904 Normalized length of polynomial interpolant = 0.125374 Created plot file "p04_datacheby_64.png" Created plot file "p04_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 16 1: 0.25 -10.1153 2: 0.75 -7.76263 3: 1 13.3791 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.42776 Normalized length of polynomial interpolant = 0.133294 Created plot file "p05_datacheby_4.png" Created plot file "p05_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 16 1: 0.0495156 -3.29024 2: 0.188255 9.45586 3: 0.38874 6.34917 4: 0.61126 14.5226 5: 0.811745 4.39835 6: 0.950484 -8.65807 7: 1 13.3791 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.55754 Normalized length of polynomial interpolant = 0.307553 Created plot file "p05_datacheby_8.png" Created plot file "p05_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.06297 Normalized length of polynomial interpolant = 0.270091 Created plot file "p05_datacheby_16.png" Created plot file "p05_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.47706 Normalized length of polynomial interpolant = 0.438767 Created plot file "p05_datacheby_32.png" Created plot file "p05_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #5. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.51792 Normalized length of polynomial interpolant = 0.524173 Created plot file "p05_datacheby_64.png" Created plot file "p05_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 0.367879 1: 0.25 1 2: 0.75 0.0183156 3: 1 0.00012341 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.31869 Normalized length of polynomial interpolant = 0.107329 Created plot file "p06_datacheby_4.png" Created plot file "p06_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 0.367879 1: 0.0495156 0.525658 2: 0.188255 0.940824 3: 0.38874 0.734931 4: 0.61126 0.123917 5: 0.811745 0.00641628 6: 0.950484 0.000389419 7: 1 0.00012341 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.938964 Normalized length of polynomial interpolant = 0.107515 Created plot file "p06_datacheby_8.png" Created plot file "p06_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.654428 Normalized length of polynomial interpolant = 0.103527 Created plot file "p06_datacheby_16.png" Created plot file "p06_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.462404 Normalized length of polynomial interpolant = 0.10381 Created plot file "p06_datacheby_32.png" Created plot file "p06_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #6. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.324459 Normalized length of polynomial interpolant = 0.103527 Created plot file "p06_datacheby_64.png" Created plot file "p06_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 1 1: 0.25 2.71828 2: 0.75 0 3: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.33213 Normalized length of polynomial interpolant = 0.10836 Created plot file "p07_datacheby_4.png" Created plot file "p07_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 1 1: 0.0495156 1.21904 2: 0.188255 2.1234 3: 0.38874 4.73489 4: 0.61126 0 5: 0.811745 0 6: 0.950484 0 7: 1 0 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.23131 Normalized length of polynomial interpolant = 0.139424 Created plot file "p07_datacheby_8.png" Created plot file "p07_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.12473 Normalized length of polynomial interpolant = 0.184733 Created plot file "p07_datacheby_16.png" Created plot file "p07_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.06381 Normalized length of polynomial interpolant = 0.250088 Created plot file "p07_datacheby_32.png" Created plot file "p07_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #7. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.03217 Normalized length of polynomial interpolant = 0.344771 Created plot file "p07_datacheby_64.png" Created plot file "p07_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use Chebyshev spacing for data points. Number of data points = 4 Data array: 0: 0 0.0384615 1: 0.25 0.137931 2: 0.75 0.137931 3: 1 0.0384615 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.5411 Normalized length of polynomial interpolant = 0.144786 Created plot file "p08_datacheby_4.png" Created plot file "p08_lagcheby_4.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use Chebyshev spacing for data points. Number of data points = 8 Data array: 0: 0 0.0384615 1: 0.0495156 0.0469624 2: 0.188255 0.0932967 3: 0.38874 0.44685 4: 0.61126 0.44685 5: 0.811745 0.0932967 6: 0.950484 0.0469624 7: 1 0.0384615 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.30341 Normalized length of polynomial interpolant = 0.143756 Created plot file "p08_datacheby_8.png" Created plot file "p08_lagcheby_8.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use Chebyshev spacing for data points. Number of data points = 16 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 1.02273 Normalized length of polynomial interpolant = 0.155631 Created plot file "p08_datacheby_16.png" Created plot file "p08_lagcheby_16.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use Chebyshev spacing for data points. Number of data points = 32 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.69951 Normalized length of polynomial interpolant = 0.145845 Created plot file "p08_datacheby_32.png" Created plot file "p08_lagcheby_32.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test02: Python version: 3.6.9 Interpolate data from TEST_interp_1d problem #8. Use Chebyshev spacing for data points. Number of data points = 64 L2 interpolation error averaged per interpolant node = 0 Normalized length of piecewise linear interpolant = 0.479999 Normalized length of polynomial interpolant = 0.139756 Created plot file "p08_datacheby_64.png" Created plot file "p08_lagcheby_64.png". lagrange_interp_1d_test02: Normal end of execution. lagrange_interp_1d_test: Normal end of execution. Tue Oct 19 11:57:13 2021