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Component: environment

V = \{\begin{matrix} V_new if t > 5 \land t < 30 \\ V_hold otherwise \end{matrix}

Component: sodium_channel

Na_conductance = g_Na m^{3} h i_Na = Na_conductance (V - E_Na)

Component: sodium_channel_m_gate

alpha_m = \frac{(- 0.1) (V + 50)}{ⅇ^{\frac{- (V + 50)}{10}} - 1} beta_m = 4 ⅇ^{\frac{- (V + 75)}{18}} \frac{d}{d t} (m) = alpha_m (1 - m) - (beta_m m)

Component: sodium_channel_h_gate

alpha_h = 0.07 ⅇ^{\frac{- (V + 75)}{20}} beta_h = \frac{1}{ⅇ^{\frac{- (V + 45)}{10}} + 1} \frac{d}{d t} (h) = alpha_h (1 - h) - (beta_h h)

Source: Derived from workspace HH Sodium Current model for estimation task at changeset 0ad8f43a1851.

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sodium_ion_channel.cellml