$-(\mathrm{naiont}+\mathrm{kiont}+\mathrm{caiont}+\mathrm{clont})$ $\mathrm{ICaL}+\mathrm{ICab}+\mathrm{IpCa}-2\mathrm{INaCa}$ $\mathrm{INa}+3\mathrm{INaCa}+3\mathrm{INaK}+\mathrm{INal}$ $\mathrm{IKr}+\mathrm{IKs}+\mathrm{IK1}+\mathrm{IKp}-2\mathrm{INaK}+\mathrm{Ito}+0.5\mathrm{i\_Stim}$ $\mathrm{IClb}+\mathrm{Ito2}+0.5\mathrm{i\_Stim}$ $1000\pi aal$ $2\pi aa+2\pi al$ $\mathrm{ageo}\times 2$ $\mathrm{vcell}\times 0.68$ $\mathrm{vcell}\times 0.26$ $\mathrm{vcell}\times 0.06$ $\mathrm{vcell}\times 0.0552$ $\mathrm{vcell}\times 0.0048$ $\mathrm{vcell}\times 0.02$ $\frac{\mathrm{Acap}}{F}$ $\begin{cases}\mathrm{stim\_amplitude} & \text{if $(\mathrm{time\_}-\mathrm{past}\ge \mathrm{stim\_offset})\land (\mathrm{time\_}-\mathrm{past}\le \mathrm{stim\_offset}+\mathrm{stim\_duration})$}\\ 0 & \text{otherwise}\end{cases}$ $\lfloor \frac{\mathrm{time\_}}{\mathrm{stim\_period}}\rfloor \mathrm{stim\_period}$ $\begin{cases}11.5 & \text{if $\mathrm{tissue}=0$}\\ 4\times 11.5 & \text{otherwise}\end{cases}$ $\mathrm{GNa}mmmHJ$ $\mathrm{ah}(1-H)-\mathrm{bh}H$ $\mathrm{am}(1-m)-\mathrm{bm}m$ $\mathrm{aj}(1-J)-\mathrm{bj}J$ $\frac{0.32\times 1(V+47.13)}{1-e^{-0.1(V+47.13)}}$ $0.08e^{\frac{-V}{11}}$ $\begin{cases}0 & \text{if $V\ge -40$}\\ 0.135e^{\frac{80+V}{-6.8}} & \text{otherwise}\end{cases}$ $\begin{cases}\frac{1}{0.13(1+e^{\frac{V+10.66}{-11.1}})} & \text{if $V\ge -40$}\\ 3.56e^{0.079V}+3.1E5e^{0.35V} & \text{otherwise}\end{cases}$ $\begin{cases}0 & \text{if $V\ge -40$}\\ \frac{(-1.2714E5e^{0.2444V}-3.474E-5e^{-0.04391V})\times 1(V+37.78)}{1+e^{0.311(V+79.23)}} & \text{otherwise}\end{cases}$ $\begin{cases}\frac{0.3e^{-2.535E-7V}}{1+e^{-0.1(V+32)}} & \text{if $V\ge -40$}\\ \frac{0.1212e^{-0.01052V}}{1+e^{-0.1378(V+40.14)}} & \text{otherwise}\end{cases}$ $\mathrm{gNa}(V-\mathrm{ENa})$ $\frac{\mathrm{dss}-d}{\mathrm{taud}}$ $\frac{\mathrm{dpss}-\mathrm{dp}}{10}$ $\frac{\mathrm{fss}-f}{\mathrm{tauf}}$ $\frac{\mathrm{fcass}-\mathrm{fca}}{\mathrm{taufca}}$ $\frac{\mathrm{fca2ss}-\mathrm{fca2}}{\mathrm{taufca2}}$ $\frac{\mathrm{f2ss}-\mathrm{f2}}{\mathrm{tauf2}}$ $\frac{\mathrm{pca}\times 4(V-15)F\mathrm{FonRT}(\mathrm{gacai}\mathrm{Ca\_ss}e^{2(V-15)\mathrm{FonRT}}-\mathrm{gacao}\mathrm{Ca\_o})}{e^{2(V-15)\mathrm{FonRT}}-1}$ $\frac{1}{1+e^{\frac{-(V-4)}{6.74}}}$ $0.59+\frac{0.8e^{0.052(V+13)}}{1+e^{0.132(V+13)}}$ $\frac{0.7}{1+e^{\frac{V+17.12}{7}}}+0.3$ $\frac{0.77}{1+e^{\frac{V+17.12}{7}}}+0.23$ $\frac{1}{0.2411e^{-(0.045(V-9.6914))^2}+0.0529}$ $\frac{1}{0.0423e^{-(0.059(V-18.5726))^2}+0.0054}$ $9-\frac{8}{1+e^{\frac{-(V+65)}{3.4}}}$ $\frac{0.3}{1-\frac{\mathrm{ICaL}}{0.05}}+\frac{0.55}{1+\frac{\mathrm{Ca\_ss}}{0.003}}+0.15$ $\frac{1}{1-\frac{\mathrm{ICaL}}{0.01}}$ $\frac{10\mathrm{CaMKactive}}{0.15+\mathrm{CaMKactive}}+\frac{1}{1+\frac{\mathrm{Ca\_ss}}{0.003}}+0.5$ $\frac{300}{1+e^{\frac{-\mathrm{ICaL}-0.175}{0.04}}}+125$ $\begin{cases}d^{\mathrm{dp}}f\mathrm{f2}\mathrm{fca}\mathrm{fca2}\mathrm{ibarca} & \text{if $\mathrm{tissue}=0$}\\ df\mathrm{f2}\mathrm{fca}\mathrm{fca2}\mathrm{ibarca} & \text{otherwise}\end{cases}$ $\frac{1.02}{1+e^{0.2385(V-\mathrm{EK}-59.215)}}$ $\frac{0.49124e^{0.08032(V-\mathrm{EK}+5.476)}+1e^{0.06175(V-\mathrm{EK}-594.31)}}{1+e^{-0.5143(V-\mathrm{EK}+4.753)}}$ $\frac{0.5\sqrt{\frac{\mathrm{K\_o}}{5.4}}\mathrm{ak1}}{\mathrm{ak1}+\mathrm{bk1}}(V-\mathrm{EK})$ $0.0138542\sqrt{\frac{\mathrm{K\_o}}{5.4}}$ $\frac{1}{1+e^{\frac{V+10}{15.4}}}$ $\frac{\mathrm{xrss}-\mathrm{xr}}{\mathrm{tauxr}}$ $\frac{1}{1+e^{\frac{-(V+10.085)}{4.25}}}$ $\frac{1}{\frac{6E-4(V-1.7384)}{1-e^{-0.136(V-1.7384)}}+\frac{3E-4(V+38.3608)}{e^{0.1522(V+38.3608)}-1}}$ $\mathrm{gkr}\mathrm{xr}r(V-\mathrm{EK})$ $0.0248975(1+\frac{0.6}{1+\left(\frac{3.8E-5}{\mathrm{Ca\_i}}\right)^{1.4}})$ $\frac{1}{1+e^{\frac{-(V-10.5)}{24.7}}}$ $\frac{1}{\frac{7.61E-5(V+44.6)}{1-e^{-9.97(V+44.6)}}+\frac{3.6E-4(V-0.55)}{e^{0.128(V-0.55)}-1}}$ $\frac{\mathrm{xss}-\mathrm{xs1}}{\mathrm{tauxs}}$ $\frac{\frac{\mathrm{xss}-\mathrm{xs2}}{\mathrm{tauxs}}}{2}$ $\mathrm{gks}\mathrm{xs1}\mathrm{xs2}(V-\mathrm{EKs})$ $e^{\frac{V}{300}}$ $\frac{25e^{\frac{V-40}{25}}}{1+e^{\frac{V-40}{25}}}$ $\frac{25e^{\frac{-(V+90)}{25}}}{1+e^{\frac{-(V+90)}{25}}}$ $\frac{0.03}{1+e^{\frac{V+60}{5}}}$ $\frac{0.2e^{\frac{V+25}{5}}}{1+e^{\frac{V+25}{5}}}$ $\frac{0.0039}{1+e^{\frac{V+63}{5}}}$ $\frac{0.1e^{\frac{V+25}{5}}}{1+e^{\frac{V+25}{5}}}$ $\mathrm{ay}(1-\mathrm{ydv})-\mathrm{by}\mathrm{ydv}$ $\mathrm{ay2}(1-\mathrm{ydv2})-\mathrm{by2}\mathrm{ydv2}$ $\mathrm{ay3}(1-\mathrm{zdv})-\mathrm{by3}\mathrm{zdv}$ $\mathrm{gitodv}\mathrm{ydv}^3\mathrm{ydv2}\mathrm{zdv}\mathrm{rv}(V-\mathrm{EK})$ $\frac{e^{\frac{\mathrm{Na\_o}}{67.3}}-1}{7}$ $\frac{1}{1+0.1245e^{-0.1V\mathrm{FonRT}}+0.0365\mathrm{sigma}e^{-V\mathrm{FonRT}}}$ $\frac{\frac{\mathrm{ibarnak}\mathrm{fnak}\times 1}{1+\left(\frac{\mathrm{kmnai}}{\mathrm{Na\_i}}\right)^2}\mathrm{K\_o}}{\mathrm{K\_o}+\mathrm{kmko}}$ $1.5\mathrm{Ca\_i}$ $\frac{1}{1+\left(\frac{\mathrm{KmCa}}{\mathrm{ca\_i\_NaCa}}\right)^2}$ $\mathrm{Na\_i}^3\mathrm{Ca\_o}e^{\mathrm{eta}V\mathrm{FonRT}}-\mathrm{Na\_o}^3\mathrm{ca\_i\_NaCa}e^{(\mathrm{eta}-1)V\mathrm{FonRT}}$ $1+\mathrm{ksat}e^{(\mathrm{eta}-1)V\mathrm{FonRT}}$ $\mathrm{KmCao}\mathrm{Na\_i}^3+\mathrm{KmNao}^3\mathrm{ca\_i\_NaCa}+\mathrm{KmNai}^3\mathrm{Ca\_o}(1+\frac{\mathrm{ca\_i\_NaCa}}{\mathrm{KmCai}})$ $\mathrm{KmCai}\mathrm{Na\_o}^3(1+\left(\frac{\mathrm{Na\_i}}{\mathrm{KmNai}}\right)^3)+\mathrm{Na\_i}^3\mathrm{Ca\_o}+\mathrm{Na\_o}^3\mathrm{ca\_i\_NaCa}$ $\frac{\mathrm{NCXmax}\mathrm{allo}\mathrm{num}}{\mathrm{denom1}(\mathrm{denom2}+\mathrm{denom3})}$ $\frac{0.00276(V-\mathrm{EK})}{1+e^{\frac{7.488-V}{5.98}}}$ $\frac{\mathrm{ibarpca}\mathrm{Ca\_i}}{\mathrm{kmpca}+\mathrm{Ca\_i}}$ $\frac{1.995084E-7\times 4VF\mathrm{FonRT}(\mathrm{Ca\_i}e^{2V\mathrm{FonRT}}-0.341\mathrm{Ca\_o})}{e^{2V\mathrm{FonRT}}-1}$ $\frac{\mathrm{AAss}-\mathrm{AA}}{1}$ $\frac{\mathrm{PCl}VF\mathrm{FonRT}(\mathrm{Cl\_i}-\mathrm{Cl\_o}e^{V\mathrm{FonRT}})}{1-e^{V\mathrm{FonRT}}}$ $\frac{1}{1+\frac{\mathrm{Kmto2}}{\mathrm{Ca\_ss}}}$ $\mathrm{Ito2\_max}\mathrm{AA}$ $\mathrm{GClb}(V-\mathrm{ECl})$ $\mathrm{amL}(1-\mathrm{mL})-\mathrm{bmL}\mathrm{mL}$ $\frac{\mathrm{hLss}-\mathrm{hL}}{600}$ $\frac{0.32\times 1(V+47.13)}{1-e^{-0.1(V+47.13)}}$ $0.08e^{\frac{-V}{11}}$ $\frac{1}{1+e^{\frac{V+91}{6.1}}}$ $\mathrm{GNaL}\mathrm{mL}^3\mathrm{hL}(V-\mathrm{ENa})$ $\frac{\ln \left(\frac{\mathrm{Na\_o}}{\mathrm{Na\_i}}\right)}{\mathrm{FonRT}}$ $\frac{\ln \left(\frac{\mathrm{K\_o}}{\mathrm{K\_i}}\right)}{\mathrm{FonRT}}$ $\frac{\ln \left(\frac{\mathrm{K\_o}+\mathrm{prnak}\mathrm{Na\_o}}{\mathrm{K\_i}+\mathrm{prnak}\mathrm{Na\_i}}\right)}{\mathrm{FonRT}}$ $\frac{-\ln \left(\frac{\mathrm{Cl\_o}}{\mathrm{Cl\_i}}\right)}{\mathrm{FonRT}}$ $3000\mathrm{vg}$ $\frac{\mathrm{Ca\_jsr}^{1.9}}{\mathrm{Ca\_jsr}^{1.9}+\left(\frac{49.28\mathrm{Ca\_ss}}{\mathrm{Ca\_ss}+0.0028}\right)^{1.9}}$ $\frac{\mathrm{dtau\_rel\_max}\mathrm{CaMKactive}}{\mathrm{KmCaMK}+\mathrm{CaMKactive}}$ $\frac{\mathrm{dro\_inf}}{\left(\frac{1}{\mathrm{ICaL}}\right)^2+1}$ $\frac{1}{1+e^{\frac{\mathrm{Ca\_ss}-4E-4+0.002\mathrm{cafac}}{2.5E-5}}}$ $3+\mathrm{dtau\_rel}+\frac{350-\mathrm{dtau\_rel}}{1+e^{\frac{\mathrm{Ca\_ss}-0.003+0.003\mathrm{cafac}}{2E-4}}}$ $\mathrm{Grel}\mathrm{ro}\mathrm{ri}(\mathrm{Ca\_jsr}-\mathrm{Ca\_ss})$ $\frac{\mathrm{CaMK0}(1-\mathrm{CaMKtrap})}{1+\frac{\mathrm{Km}}{\mathrm{Ca\_ss}}}$ $\mathrm{CaMKbound}+\mathrm{CaMKtrap}$ $0.05\mathrm{CaMKactive}(\mathrm{CaMKactive}-\mathrm{CaMKtrap})-6.8E-4\mathrm{CaMKtrap}$ $\frac{\mathrm{ross}-\mathrm{ro}}{3}$ $\frac{\mathrm{riss}-\mathrm{ri}}{\mathrm{tauri}}$ $\begin{cases}\frac{1}{1+e^{\frac{\mathrm{ibarca}+13}{5}}} & \text{if $\mathrm{tissue}=0$}\\ 1 & \text{otherwise}\end{cases}$ $\frac{1}{1+e^{\frac{\mathrm{ICaL}+0.05}{0.015}}}$ $\frac{\mathrm{dKmPLBmax}\mathrm{CaMKactive}}{\mathrm{KmCaMK}+\mathrm{CaMKactive}}$ $\frac{\mathrm{dJupmax}\mathrm{CaMKactive}}{\mathrm{KmCaMK}+\mathrm{CaMKactive}}$ $\frac{(\mathrm{dJup}+1)\mathrm{iupmax}\mathrm{Ca\_i}}{\mathrm{Ca\_i}+\mathrm{Kmup}-\mathrm{dKmPLB}}$ $\frac{\mathrm{iupmax}\mathrm{Ca\_nsr}}{\mathrm{nsrmax}}$ $\frac{\mathrm{Ca\_ss}-\mathrm{Ca\_i}}{0.2}$ $\frac{\mathrm{Ca\_nsr}-\mathrm{Ca\_jsr}}{120}$ $\frac{-\mathrm{naiont}\mathrm{AF}}{\mathrm{vmyo}}+\mathrm{CTNaCl}$ $\frac{\mathrm{CTNaClmax}(\mathrm{ENa}-\mathrm{ECl})^4}{(\mathrm{ENa}-\mathrm{ECl})^4+87.8251^4}$ $\frac{-\mathrm{kiont}\mathrm{AF}}{\mathrm{vmyo}}+\mathrm{CTKCl}$ $\frac{\mathrm{CTKClmax}(\mathrm{EK}-\mathrm{ECl})}{\mathrm{EK}-\mathrm{ECl}+87.8251}$ $\frac{\mathrm{clont}\mathrm{AF}}{\mathrm{vmyo}}+\mathrm{CTNaCl}+\mathrm{CTKCl}$ $\mathrm{bmyo}(\frac{-(\mathrm{ICab}+\mathrm{IpCa}-2\mathrm{INaCa})\mathrm{AF}}{\mathrm{vmyo}\times 2}+\frac{(\mathrm{ileak}-\mathrm{iup})\mathrm{vnsr}}{\mathrm{vmyo}}+\frac{\mathrm{idiff}\mathrm{vss}}{\mathrm{vmyo}})$ $\mathrm{bcsqn}(\mathrm{itr}-\mathrm{irelcicr})$ $\mathrm{iup}-\frac{\mathrm{itr}\mathrm{vjsr}}{\mathrm{vnsr}}-\mathrm{ileak}$ $\mathrm{bss}(\frac{-\mathrm{ICaL}\mathrm{AF}}{\mathrm{vss}\times 2}+\frac{\mathrm{irelcicr}\mathrm{vjsr}}{\mathrm{vss}}-\mathrm{idiff})$ $\frac{1}{1+\frac{\mathrm{kmcsqn}\mathrm{csqnbar}}{(\mathrm{Ca\_jsr}+\mathrm{kmcsqn})^2}}$ $\frac{1}{1+\frac{\mathrm{cbar}\mathrm{kmc}}{(\mathrm{Ca\_i}+\mathrm{kmc})^2}+\frac{\mathrm{kmt}\mathrm{tbar}}{(\mathrm{Ca\_i}+\mathrm{kmt})^2}}$ $\frac{1}{1+\frac{\mathrm{BSRmax}\mathrm{KmBSR}}{(\mathrm{KmBSR}+\mathrm{Ca\_ss})^2}+\frac{\mathrm{BSLmax}\mathrm{KmBSL}}{(\mathrm{KmBSL}+\mathrm{Ca\_ss})^2}}$