Nonlinear circuit example from a paper by Schoukens, Suykens and Ljung. Steps to run:

1. Obtain the data, which includes a description, as directed in data/README.txt.
2. python WH2009_train.py
3. python WH2009_train_quantized.py
4. python WH2009_train_FIR.py
5. python WH2009_train_comparisons.py
6. python WH2009_train_process_noise.py
7. python WH2009_train_process_noise_PEM.py
8. python WH2009_test_FIR.py
9. python WH2009_test.py