14-Oct-2022 14:37:53

nearest_interp_1d_test():
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2
  Test nearest_interp_1d().

  The R8LIB library is needed.
  The test needs TEST_INTERP.

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #1

X, Y for problem 1

       1:              0             4
       2:            1.8             6
       3:            3.6             6
       4:            5.4             5
       5:            7.2             1
       6:              9             1
       7:           10.8             4
       8:           12.6             3
       9:           14.4             3
      10:           16.2             4
      11:             18             0

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #2

X, Y for problem 2

       1:              0             0
       2:            3.1             5
       3:            6.2          8.66
       4:            9.3            10
       5:           12.4          30.6
       6:           15.5          30.6
       7:           18.6          30.6
       8:           21.7            10
       9:           24.8          8.66
      10:           27.9             5
      11:             31             0

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #3

X, Y for problem 3

       1:              0             0
       2:            1.5            10
       3:              3            10
       4:            4.5            10
       5:              6            10
       6:            7.5            10
       7:              9          10.5
       8:           10.5            15
       9:             12            50
      10:           13.5            60
      11:             15            85

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #4

X, Y for problem 4

       1:              0             0
       2:            0.1             1
       3:            0.2             1
       4:            0.3             1
       5:            0.4             1
       6:            0.5             1
       7:            0.6           0.3
       8:            0.7           0.3
       9:            0.8           0.3
      10:            0.9           0.1
      11:              1             1

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #5

X, Y for problem 5

       1:              0             0
       2:            0.1           0.9
       3:            0.2          0.95
       4:            0.3           0.9
       5:            0.4           0.1
       6:            0.5          0.05
       7:            0.6          0.05
       8:            0.7          0.05
       9:            0.8           0.2
      10:            0.9           0.2
      11:              1             1

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #6

X, Y for problem 6

       1:            595         0.644
       2:            643         0.639
       3:            691         0.644
       4:            739         0.676
       5:            787         0.683
       6:            835         0.763
       7:            883         1.881
       8:            931         0.916
       9:            979         0.615
      10:           1027         0.601
      11:           1075         0.608

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #7

X, Y for problem 7

       1:              0             1
       2:            0.5             1
       3:              1             2
       4:            1.5             2
       5:              2             2
       6:            2.5             2
       7:              3             2
       8:            3.5             2
       9:              4             2
      10:            4.5             2
      11:              5             1

nearest_interp_1d_test01():
  Sample the nearest neighbor interpolant for problem #8

X, Y for problem 8

       1:             -1             1
       2:           -0.8          0.64
       3:           -0.6          0.36
       4:           -0.4          0.16
       5:           -0.2          0.04
       6:              0             0
       7:            0.2          0.04
       8:            0.4          0.16
       9:            0.6          0.36
      10:            0.8          0.64
      11:              1             1

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #1.
  Number of data points = 18

  Data array:

  Row:       1             2       
  Col
    1:           0           4
    2:           1           5
    3:           2           6
    4:           4           6
    5:           5           5
    6:           6           3
    7:           7           1
    8:           8           1
    9:           9           1
   10:          10           3
   11:          11           4
   12:          12           4
   13:          13           3
   14:          14           3
   15:          15           4
   16:          16           4
   17:          17           3
   18:          18           0

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p01_data.png".
  Graphics saved as "p01_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #2.
  Number of data points = 18

  Data array:

  Row:       1             2       
  Col
    1:           0           0
    2:        1.34           5
    3:           5        8.66
    4:          10          10
    5:        10.6        10.4
    6:        10.7          12
    7:      10.705        28.6
    8:        10.8        30.2
    9:        11.4        30.6
   10:        19.6        30.6
   11:        20.2        30.2
   12:      20.295        28.6
   13:        20.3          12
   14:        20.4        10.4
   15:          21          10
   16:          26        8.66
   17:       29.66           5
   18:          31           0

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p02_data.png".
  Graphics saved as "p02_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #3.
  Number of data points = 11

  Data array:

  Row:       1             2       
  Col
    1:           0           0
    2:           2          10
    3:           3          10
    4:           5          10
    5:           6          10
    6:           8          10
    7:           9        10.5
    8:          11          15
    9:          12          50
   10:          14          60
   11:          15          85

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p03_data.png".
  Graphics saved as "p03_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #4.
  Number of data points = 8

  Data array:

  Row:       1             2       
  Col
    1:           0           0
    2:        0.05         0.7
    3:         0.1           1
    4:         0.2           1
    5:         0.8         0.3
    6:        0.85        0.05
    7:         0.9         0.1
    8:           1           1

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p04_data.png".
  Graphics saved as "p04_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #5.
  Number of data points = 9

  Data array:

  Row:       1             2       
  Col
    1:           0           0
    2:         0.1         0.9
    3:         0.2        0.95
    4:         0.3         0.9
    5:         0.4         0.1
    6:         0.5        0.05
    7:         0.6        0.05
    8:         0.8         0.2
    9:           1           1

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p05_data.png".
  Graphics saved as "p05_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #6.
  Number of data points = 49

  Data array:

  Row:       1             2       
  Col
    1:         595       0.644
    2:         605       0.622
    3:         615       0.638
    4:         625       0.649
    5:         635       0.652
    6:         645       0.639
    7:         655       0.646
    8:         665       0.657
    9:         675       0.652
   10:         685       0.655
   11:         695       0.644
   12:         705       0.663
   13:         715       0.663
   14:         725       0.668
   15:         735       0.676
   16:         745       0.676
   17:         755       0.686
   18:         765       0.679
   19:         775       0.678
   20:         785       0.683
   21:         795       0.694
   22:         805       0.699
   23:         815        0.71
   24:         825        0.73
   25:         835       0.763
   26:         845       0.812
   27:         855       0.907
   28:         865       1.044
   29:         875       1.336
   30:         885       1.881
   31:         895       2.169
   32:         905       2.075
   33:         915       1.598
   34:         925       1.211
   35:         935       0.916
   36:         945       0.746
   37:         955       0.672
   38:         965       0.627
   39:         975       0.615
   40:         985       0.607
   41:         995       0.606
   42:        1005       0.609
   43:        1015       0.603
   44:        1025       0.601
   45:        1035       0.603
   46:        1045       0.601
   47:        1055       0.611
   48:        1065       0.601
   49:        1075       0.608

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p06_data.png".
  Graphics saved as "p06_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #7.
  Number of data points = 4

  Data array:

  Row:       1             2       
  Col
    1:           0           1
    2:           1           2
    3:           4           2
    4:           5           1

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p07_data.png".
  Graphics saved as "p07_nearest.png".

nearest_interp_1d_test02():
  Interpolate data from test_interp() problem #8.
  Number of data points = 12

  Data array:

  Row:       1             2       
  Col
    1:          -1           1
    2:        -0.8        0.64
    3:        -0.6        0.36
    4:        -0.4        0.16
    5:        -0.2        0.04
    6:           0           0
    7:         0.2        0.04
    8:     0.20001        0.05
    9:         0.4        0.16
   10:         0.6        0.36
   11:         0.8        0.64
   12:           1           1

  L2 interpolation error averaged per interpolant node = 0
  Graphics saved as "p08_data.png".
  Graphics saved as "p08_nearest.png".

nearest_interp_1d_test():
  Normal end of execution.

14-Oct-2022 14:38:01