Model Mathematics

d_3 = d_5 d_1 f_3 = f_5 f_1 d_4 = \frac{1}{\frac{1}{d_2} + \frac{1}{d_6}} f_4 = \frac{1}{\frac{1}{f_2} + \frac{1}{f_6}} alpha_act = d_1 ⅇ^{\frac{v}{d_2}} beta_act = d_3 ⅇ^{\frac{v}{d_4}} x_ca_inf_act = \frac{alpha_act}{alpha_act + beta_act} tau_ca_act = \frac{1}{alpha_act + beta_act} + tau_d_const alpha_inact = f_1 ⅇ^{\frac{v}{f_2}} beta_inact = f_3 ⅇ^{\frac{v}{f_4}} x_ca_inf_inact = \frac{alpha_inact}{alpha_inact + beta_inact} tau_ca_inact = \frac{1}{alpha_inact + beta_inact} + tau_f_const scale_Ical_Fca_Cadep = 1.2 alpha_fCa = \frac{1.0}{1.0 + {(\frac{scale_Ical_Fca_Cadep ca_i}{.000325})}^{8}} beta_fCa = \frac{0.1}{1.0 + ⅇ^{\frac{scale_Ical_Fca_Cadep ca_i - .0005}{0.0001}}} gamma_fCa = \frac{0.2}{1.0 + ⅇ^{\frac{scale_Ical_Fca_Cadep ca_i - 0.00075}{0.0008}}} x_fca_inf_inact = \frac{alpha_fCa + beta_fCa + gamma_fCa + 0.23}{1.46}