Model Mathematics

E_K = \frac{R T}{F} \ln (\frac{Ko}{Ki}) \frac{d}{d t} (X_kr_act) = \frac{x_inf_act - X_kr_act}{tau_kr_act} \frac{d}{d t} (X_kr_inact) = \frac{x_inf_inact - X_kr_inact}{tau_kr_inact} \frac{d}{d t} (v) = 0 g_Kr = Xr1_0 i_Kr = g_Kr \sqrt{\frac{Ko}{5.4}} X_kr_act X_kr_inact (v - E_K)

V_tot_tenT = Vc_tenT + VSR_tenT Vc = \frac{V_tot Vc_tenT}{V_tot_tenT} V_SR = \frac{V_tot VSR_tenT}{V_tot_tenT}

Xr1_3 = Xr1_5 Xr1_1 Xr2_3 = Xr2_5 Xr2_1 Xr1_4 = \frac{1}{\frac{1}{Xr1_2} + \frac{1}{Xr1_6}} Xr2_4 = \frac{1}{\frac{1}{Xr2_2} + \frac{1}{Xr2_6}} alpha_act = Xr1_1 ⅇ^{\frac{v}{Xr1_2}} beta_act = Xr1_3 ⅇ^{\frac{v}{Xr1_4}} x_inf_act = \frac{alpha_act}{alpha_act + beta_act} tau_kr_act = \frac{1}{alpha_act + beta_act} + Xr1_7 alpha_inact = Xr2_1 ⅇ^{\frac{v}{Xr2_2}} beta_inact = Xr2_3 ⅇ^{\frac{v}{Xr2_4}} x_inf_inact = \frac{alpha_inact}{alpha_inact + beta_inact} tau_kr_inact = \frac{1}{alpha_inact + beta_inact} + Xr2_7