$\frac{-(\mathrm{i\_Na}+\mathrm{i\_si}+\mathrm{i\_K2}+\mathrm{i\_x1}+\mathrm{i\_x2}+\mathrm{i\_qr}+\mathrm{i\_K1}+\mathrm{i\_Na\_b}+\mathrm{i\_Cl\_b})}{C}$ $\mathrm{alpha\_m}(1-m)-\mathrm{beta\_m}m$ $\frac{1(V+47)}{1-e^{\frac{-(V+47)}{10}}}$ $40e^{-0.056(V+72)}$ $\mathrm{alpha\_h}(1-h)-\mathrm{beta\_h}h$ $0.0085e^{-0.184(V+71)}$ $\frac{2.5}{e^{-0.082(V+10)}+1}$ $\mathrm{g\_Na}m^{3}h(V-\mathrm{E\_Na})$ $\mathrm{alpha\_d}(1-d)-\mathrm{beta\_d}d$ $\frac{0.002(V+40)}{1-e^{-0.1(V+40)}}$ $0.02e^{-0.0888(V+40)}$ $\mathrm{alpha\_f}(1-f)-\mathrm{beta\_f}f$ $0.000987e^{-0.04(V+60)}$ $\frac{0.02}{e^{-0.087(V+26)}+1}$ $\frac{1}{1+e^{-0.15(V+40)}}$ $\mathrm{g\_si}df(V-\mathrm{E\_si})+\mathrm{g\_si\_}\mathrm{d1}(V-\mathrm{E\_si})$ $\mathrm{alpha\_s}(1-s)-\mathrm{beta\_s}s$ $\frac{0.001(V-\mathrm{E\_s})}{1-e^{-0.2(V-\mathrm{E\_s})}}$ $5E-5e^{-0.067(V-\mathrm{E\_s})}$ $\mathrm{I\_K2}s$ $\frac{2.8(e^{\frac{V-\mathrm{E\_K}}{25}}-1)}{e^{\frac{V+60}{12.5}}+e^{\frac{V+60}{25}}}$ $\mathrm{alpha\_x1}(1-\mathrm{x1})-\mathrm{beta\_x1}\mathrm{x1}$ $\frac{5E-4e^{\frac{V+50}{12.1}}}{1+e^{\frac{V+50}{17.5}}}$ $\frac{0.0013e^{\frac{-(V+20)}{16.67}}}{1+e^{\frac{-(V+20)}{25}}}$ $\mathrm{x1}\mathrm{I\_x1}$ $\frac{1.2(e^{\frac{V+95}{25}}-1)}{e^{\frac{V+45}{25}}}$ $\mathrm{alpha\_x2}(1-\mathrm{x2})-\mathrm{beta\_x2}\mathrm{x2}$ $\frac{0.000127\times 1}{1+e^{\frac{-(V+19)}{5}}}$ $\frac{0.0003e^{\frac{-(V+20)}{16.67}}}{1+e^{\frac{-(V+20)}{25}}}$ $\mathrm{x2}\mathrm{I\_x2}$ $25+1\times 0.385V$ $\mathrm{alpha\_q}(1-q)-\mathrm{beta\_q}q$ $\frac{0.008V}{1-e^{-0.1V}}$ $0.08e^{-0.0888V}$ $\mathrm{alpha\_r}(1-r)-\mathrm{beta\_r}r$ $3.3E-5e^{\frac{-V}{17}}$ $\frac{0.033}{e^{\frac{-(V+30)}{8}}+1}$ $\mathrm{g\_qr}qr(V-\mathrm{E\_Cl})$ $\frac{\mathrm{I\_K2}}{2.8}+\frac{0.2(V-\mathrm{E\_K1})}{1-e^{\frac{-(V-\mathrm{E\_K1})}{25}}}$ $\mathrm{g\_Nab}(V-\mathrm{E\_Na})$ $\mathrm{g\_Clb}(V-\mathrm{E\_Cl})$