$\frac{d \mathrm{q\_K\_i}}{d t}=-\mathrm{v\_funny\_K}\frac{d \mathrm{q\_K\_o}}{d t}=\mathrm{v\_funny\_K}\frac{d \mathrm{q\_Na\_i}}{d t}=-\mathrm{v\_funny\_Na}\frac{d \mathrm{q\_Na\_o}}{d t}=\mathrm{v\_funny\_Na}$ $\mathrm{Nai}=\frac{\mathrm{q\_Na\_i}}{\mathrm{vol}}\mathrm{Nao}=\frac{\mathrm{q\_Na\_o}}{\mathrm{volo}}\mathrm{Ki}=\frac{\mathrm{q\_K\_i}}{\mathrm{vol}}\mathrm{Ko}=\frac{\mathrm{q\_K\_o}}{\mathrm{volo}}\mathrm{i\_fNa\_kinetic\_fA}=\mathrm{i\_fNa\_kinetic}\mathrm{C\_m}\mathrm{i\_fK\_kinetic\_fA}=\mathrm{i\_fK\_kinetic}\mathrm{C\_m}\mathrm{i\_ftotal\_kinetic\_fA}=\mathrm{i\_fNa\_kinetic\_fA}+\mathrm{i\_fK\_kinetic\_fA}$ $\mathrm{mu\_x0\_funny}=RT\ln (\mathrm{K\_x0\_funny}\mathrm{q\_x0\_funny})\mathrm{mu\_x1\_funny}=RT\ln (\mathrm{K\_x1\_funny}\mathrm{q\_x1\_funny})\mathrm{Af\_R\_xf}=\mathrm{mu\_x0\_funny}+\mathrm{z\_xff}F\mathrm{V\_mem}\mathrm{Ar\_R\_xf}=\mathrm{mu\_x1\_funny}+\mathrm{z\_xfr}F\mathrm{V\_mem}\mathrm{v\_xf}=\mathrm{kappa\_R\_xf}(e^{\frac{\mathrm{Af\_R\_xf}}{RT}}-e^{\frac{\mathrm{Ar\_R\_xf}}{RT}})\frac{d \mathrm{q\_x0\_funny}}{d t}=-\mathrm{v\_xf}\frac{d \mathrm{q\_x1\_funny}}{d t}=\mathrm{v\_xf}$