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Correct ODE file #1

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Correct ODE file #1

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da3a335
Correct y plot variable to `vm` from `v`, which isn't defined
jonrkarr Feb 17, 2022
0f1443f
Reduce length of parameter and variable names to pass validation by X…
jonrkarr Feb 17, 2022
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28 changes: 14 additions & 14 deletions muscleAP.ode
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Original file line number Diff line number Diff line change
Expand Up @@ -13,28 +13,28 @@ iStim= iStim_mag * heav(mod(t,period)-iStim_beg) * heav(iStim_beg+iStim_dur-mod
% Values of the model parameters
Param gNa_max=1.0, gK_max=0.415, gL_max=0.0024
Param ENa=50.0, EK=-70.0, EL=-95.0, Cm=0.0090, Ct=0.04, Rs=15.0
Param alpha_m_max=0.208
Param beta_m_max=2.081
Param alpha_n_max=0.0229
Param beta_n_max=0.09616
Param alpha_h_max=0.0156
Param beta_h_max=3.382
Param a_m_max=0.208
Param b_m_max=2.081
Param a_n_max=0.0229
Param b_n_max=0.09616
Param a_h_max=0.0156
Param b_h_max=3.382
Param Em=-42.0, En=-40.0, Eh=-41.0
Param v_alpha_m=10.0, v_alpha_h=14.7, v_alpha_n=7.0
Param v_alph_m=10.0, v_alph_h=14.7, v_alph_n=7.0
Param v_beta_m=18.0, v_beta_h=7.6, v_beta_n=40.0

% Expressions

Ina= (gNa_max * m * m * m * h * (Vm - ENa))
beta_n= (beta_n_max * exp(((En - Vm) / v_beta_n)))
beta_m= (beta_m_max * exp(((Em - Vm) / v_beta_m)))
beta_h= (beta_h_max / (1.0 + exp(((Eh - Vm) / v_beta_h))))
beta_n= (b_n_max * exp(((En - Vm) / v_beta_n)))
beta_m= (b_m_max * exp(((Em - Vm) / v_beta_m)))
beta_h= (b_h_max / (1.0 + exp(((Eh - Vm) / v_beta_h))))
IT= ((Vm - Vt) / Rs)
IL= (gL_max * (Vm - EL))
IK= (gK_max * n * n * n * n * (Vm - EK))
alpha_n= (alpha_n_max * (Vm - En) / (1.0 - exp(((En - Vm) / v_alpha_n))))
alpha_m= (alpha_m_max * (Vm - Em) / (1.0 - exp(((Em - Vm) / v_alpha_m))))
alpha_h= (alpha_h_max * exp(((Eh - Vm) / v_alpha_h)))
alpha_n= (a_n_max * (Vm - En) / (1.0 - exp(((En - Vm) / v_alph_n))))
alpha_m= (a_m_max * (Vm - Em) / (1.0 - exp(((Em - Vm) / v_alph_m))))
alpha_h= (a_h_max * exp(((Eh - Vm) / v_alph_h)))

% Differential equations
dVm/dt= ((iStim - (INa + IK + IL + IT)) / Cm)
Expand All @@ -45,6 +45,6 @@ dVt/dt=((Vm - Vt) / (Rs * Ct))

% Numerical and plotting parameters for xpp
@ meth=Euler, dt=0.01, total=25
@ yp=v, yhi=50, ylo=-110, xlo=0, xhi=25, bounds=5000
@ yp=vm, yhi=50, ylo=-110, xlo=0, xhi=25, bounds=5000

done