Table 4. Optimized values of parameters for the linear models of BR response.
Data | kwall | α 1 | α 2 | α 3 | β 1 | β 2 | β 3 | S 1 | S 2 | p 1 | p 2 | θ | R 2 | RMSE | |
IC | sine | 0.0063 | 0.5 | 0.5 | 480 | 100 | 6.45 | 46.75 | |||||||
opt | sine | 0.0063 | 0.5 | 0.5 | 1076 | 375 | 6.44 | 46.84 | 0.949 | 2.522 | |||||
IC | sine | 0.0063 | 0.5 | 0.4 | 0.5 | 2 | 480 | 100 | 6.45 | 46.75 | |||||
opt | sine | 0.0063 | 0.5 | 0.4 | 0.5 | 2 | 1105 | 346 | 6.44 | 46.89 | 0.950 | 2.507 | |||
IC | sine | 0.0063 | 0.5 | 0.4 | 1 | 0.5 | 2 | 10 | 480 | 100 | 6.45 | 46.75 | |||
opt | sine | 0.0063 | 0.5 | 0.4 | 1 | 0.5 | 2 | 10 | 1221 | 333 | 6.44 | 46.95 | 0.951 | 2.495 | |
IC | 0.0063 | 0.5 | 0.5 | 480 | 100 | ||||||||||
opt | step 1 | 0.0063 | 0.522 | 0.395 | 360 | 104 | 1.090 | 0.899 | 1.860 | ||||||
opt | step 2 | 0.0063 | 0.273 | 0.407 | 340 | 140 | 1.025 | 0.919 | 2.677 | ||||||
opt | step 3 | 0.0063 | 0.241 | 0.438 | 378 | 169 | 1.025 | 0.969 | 2.420 | ||||||
opt | step 4 | 0.0063 | 0.273 | 0.865 | 398 | 201 | 1.055 | 0.983 | 1.832 | ||||||
IC | 0.0063 | 0.5 | 0.4 | 0.5 | 2 | 480 | 100 | 1 | |||||||
opt | step 1 | 0.0063 | 0.398 | 0.4 | 0.310 | 2 | 376 | 102 | 1.097 | 0.905 | 1.800 | ||||
opt | step 2 | 0.0063 | 0.188 | 0.4 | 0.304 | 2 | 365 | 137 | 1.027 | 0.917 | 2.702 | ||||
opt | step 3 | 0.0063 | 0.132 | 0.4 | 0.271 | 2 | 480 | 163 | 1.099 | 0.970 | 2.390 | ||||
opt | step 4 | 0.0063 | 0.101 | 0.4 | 0.552 | 2 | 480 | 201 | 1.057 | 0.983 | 1.823 | ||||
IC | 0.0063 | 0.5 | 0.4 | 1 | 0.5 | 2 | 10 | 480 | 100 | 1 | |||||
opt | step 1 | 0.0063 | 0.415 | 0.4 | 1 | 0.303 | 2 | 10 | 404 | 102 | 1.100 | 0.908 | 1.779 | ||
opt | step 2 | 0.0063 | 0.208 | 0.4 | 1 | 0.305 | 2 | 10 | 397 | 138 | 1.030 | 0.917 | 2.719 | ||
opt | step 3 | 0.0063 | 0.135 | 0.4 | 1 | 0.257 | 2 | 10 | 429 | 163 | 1.103 | 0.970 | 2.426 | ||
opt | step 4 | 0.0063 | 0.101 | 0.4 | 1 | 0.523 | 2 | 10 | 429 | 201 | 1.060 | 0.984 | 1.810 |
, and of BR response we present the initial and optimized values of their parameters. We used the BR firing data published by Brown [20] for two different stimuli: the sinusoidal-like pressure profile, and step pressure increase with different magnitude. For the three linear models