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. 2013 Dec 12;9(12):e1003384. doi: 10.1371/journal.pcbi.1003384

Table 5. Optimized nonlinear models of BR response: wall strain models.

kwall A 0 Am α k α 1 α 2 β 1 β 2 s 1 s 2 τa τb p 1 p 2 R 2 RMSE
Inline graphic IC 0.0063 0.5 0.4 0.5 2 480 100 6.46 46.75
Inline graphic opt 0.0063 0.5 0.4 0.5 2 1105 346 6.44 46.89 0.950 2.507
Inline graphic IC 0.0063 0.5 0.4 0.5 2 480 100 0.030 0.01 6.46 46.75
Inline graphic opt 0.0063 0.5 0.4 0.5 2 1112 349 0.028 0.01 6.44 46.77 0.950 2.517
Inline graphic IC 1 3 150 10 0.5 0.5 480 100 6.46 46.75
Inline graphic opt 1 32.6 150 10 0.5 0.5 619 109 6.44 46.89 0.952 2.458

Inline graphic, Inline graphic, and Inline graphic, of BR response, we present the initial and optimized values of their parameters. We used the BR firing data published by Brown [20] for a sinusoidal-like pressure profile. For the three models,