Tue Oct 19 11:25:29 2021
colored_noise_test():
Python version: 3.6.9
Test colored_noise().
r8vec_sftf_test():
Python version: 3.6.9
r8vec_sftf() computes the "slow" Fourier transform (forward)
of a vector of real data.
Fourier coefficients:
0.458548
-0.007380 -0.176171
0.116002 0.007800
-0.257507 -0.065865
-0.000949 0.044625
0.050083 -0.024197
-0.005309 -0.087263
0.160802 0.120063
Compare data R and recovered data R2:
0.514290 0.514290
0.140513 0.219471
0.654916 0.492768
0.309695 0.835642
0.197339 0.431971
0.040708 0.777799
0.160309 0.295994
0.805707 0.071945
0.666177 0.306217
0.890946 -0.092926
0.032197 0.540974
0.507185 0.785920
0.667915 0.676295
0.887001 0.626892
0.403321 0.284269
r8vec_sftf_test():
Normal end of execution.
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 0.000000
Variance is 1.000000
Noise sample:
0 -0.68548
1 -1.36523
2 -2.48947
3 1.41753
4 1.25419
5 2.47957
6 0.445213
7 -0.919819
...... ..............
127 -0.805925
Data written to file "alpha_0.00.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 0.250000
Variance is 1.000000
Noise sample:
0 -0.679432
1 2.83786
2 0.371863
3 -0.121392
4 -0.635487
5 -0.167202
6 -1.41177
7 -0.546045
...... ..............
127 -0.943556
Data written to file "alpha_0.25.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 0.500000
Variance is 1.000000
Noise sample:
0 -2.75049
1 -2.4273
2 -0.462849
3 -0.524723
4 1.79668
5 0.459408
6 1.09043
7 0.383992
...... ..............
127 0.263087
Data written to file "alpha_0.50.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 0.750000
Variance is 1.000000
Noise sample:
0 0.967003
1 1.34044
2 1.10828
3 0.0393268
4 1.27071
5 0.545916
6 -0.00191366
7 0.842869
...... ..............
127 2.2343
Data written to file "alpha_0.75.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 1.000000
Variance is 1.000000
Noise sample:
0 0.0674299
1 0.916602
2 0.708225
3 1.32327
4 0.532252
5 1.01017
6 1.11342
7 2.7934
...... ..............
127 1.72219
Data written to file "alpha_1.00.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 1.250000
Variance is 1.000000
Noise sample:
0 -1.42726
1 0.0122937
2 -1.69102
3 -1.31878
4 -1.56344
5 0.165753
6 -0.562556
7 -1.48063
...... ..............
127 -0.772228
Data written to file "alpha_1.25.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 1.500000
Variance is 1.000000
Noise sample:
0 0.779707
1 -0.165143
2 0.175666
3 0.818175
4 1.62068
5 1.35893
6 0.657972
7 -0.272916
...... ..............
127 -1.12533
Data written to file "alpha_1.50.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 1.750000
Variance is 1.000000
Noise sample:
0 -0.588363
1 1.47995
2 0.219083
3 -0.886797
4 -0.120631
5 -0.580574
6 -0.322296
7 1.39755
...... ..............
127 -0.480011
Data written to file "alpha_1.75.txt".
colored_noise_test01():
Generating 128 sample points.
1/F^ALPHA noise has ALPHA = 2.000000
Variance is 1.000000
Noise sample:
0 0.0611332
1 -0.669169
2 -0.802645
3 -2.7168
4 -2.90242
5 -4.15822
6 -4.10896
7 -3.61909
...... ..............
127 -0.172409
Data written to file "alpha_2.00.txt".
colored_noise_test02():
Generating 100 realizations
Generating 64 sample points.
1/F^ALPHA noise has ALPHA = 0.000000
Variance is 1.000000
Graphics saved as "alpha_0.00_paths.png"
colored_noise_test02():
Generating 100 realizations
Generating 64 sample points.
1/F^ALPHA noise has ALPHA = 0.500000
Variance is 1.000000
Graphics saved as "alpha_0.50_paths.png"
colored_noise_test02():
Generating 100 realizations
Generating 64 sample points.
1/F^ALPHA noise has ALPHA = 1.000000
Variance is 1.000000
Graphics saved as "alpha_1.00_paths.png"
colored_noise_test02():
Generating 100 realizations
Generating 64 sample points.
1/F^ALPHA noise has ALPHA = 1.500000
Variance is 1.000000
Graphics saved as "alpha_1.50_paths.png"
colored_noise_test02():
Generating 100 realizations
Generating 64 sample points.
1/F^ALPHA noise has ALPHA = 2.000000
Variance is 1.000000
Graphics saved as "alpha_2.00_paths.png"
colored_noise_test():
Normal end of execution.
Tue Oct 19 11:26:01 2021