Reconstruction of the action potential of ventricular myocardial fibres

Generated code

• The required array sizes are:
  • VARIABLES[26]
  • CONSTANTS[10]
  • BOUND[1]
  • RATES[8]
• The following variables are defined:
  • Variable E_s(VARIABLES[8]; recomputed after rate changes)
  • Variable Cai(RATES[0] and VARIABLES[0])
  • Variable d(RATES[1] and VARIABLES[1])
  • Variable alpha_d(VARIABLES[9]; recomputed after rate changes)
  • Variable beta_d(VARIABLES[10]; recomputed after rate changes)
  • Variable f(RATES[2] and VARIABLES[2])
  • Variable alpha_f(VARIABLES[11]; recomputed after rate changes)
  • Variable beta_f(VARIABLES[12]; recomputed after rate changes)
  • Variable i_x1(VARIABLES[13]; recomputed after rate changes)
  • Variable x1(RATES[3] and VARIABLES[3])
  • Variable alpha_x1(VARIABLES[14]; recomputed after rate changes)
  • Variable beta_x1(VARIABLES[15]; recomputed after rate changes)
  • Variable i_K1(VARIABLES[16]; recomputed after rate changes)
  • Variable Istim(VARIABLES[17]; recomputed after rate changes)
  • Variable IstimStart(CONSTANTS[0])
  • Variable IstimEnd(CONSTANTS[1])
  • Variable time(BOUND[0])
  • Variable V(RATES[4] and VARIABLES[4])
  • Variable C(CONSTANTS[2])
  • Variable i_Na(VARIABLES[18]; recomputed after rate changes)
  • Variable IstimAmplitude(CONSTANTS[3])
  • Variable IstimPeriod(CONSTANTS[4])
  • Variable IstimPulseDuration(CONSTANTS[5])
  • Variable g_Na(CONSTANTS[6])
  • Variable E_Na(CONSTANTS[7])
  • Variable g_Nac(CONSTANTS[8])
  • Variable m(RATES[5] and VARIABLES[5])
  • Variable alpha_m(VARIABLES[19]; recomputed after rate changes)
  • Variable beta_m(VARIABLES[20]; recomputed after rate changes)
  • Variable h(RATES[6] and VARIABLES[6])
  • Variable alpha_h(VARIABLES[21]; recomputed after rate changes)
  • Variable beta_h(VARIABLES[22]; recomputed after rate changes)
  • Variable j(RATES[7] and VARIABLES[7])
  • Variable alpha_j(VARIABLES[23]; recomputed after rate changes)
  • Variable beta_j(VARIABLES[24]; recomputed after rate changes)
  • Variable i_s(VARIABLES[25]; recomputed after rate changes)
  • Variable g_s(CONSTANTS[9])
• No equation needed for Newton-Raphson evaluation.

void SetupFixedConstants(double* CONSTANTS)
{
CONSTANTS[0] = 10;
CONSTANTS[1] = 50000;
CONSTANTS[2] = 0.01;
CONSTANTS[3] = 0.5;
CONSTANTS[4] = 1000;
CONSTANTS[5] = 1;
CONSTANTS[6] = 0.04;
CONSTANTS[7] = 50;
CONSTANTS[8] = 3e-05;
CONSTANTS[9] = 0.0009;
}

void SetupComputedConstants(double* CONSTANTS, double* VARIABLES)
{
VARIABLES[0] = 0.0001;
VARIABLES[1] = 0.003;
VARIABLES[2] = 0.994;
VARIABLES[3] = 0;
VARIABLES[4] = -84.624;
VARIABLES[5] = 0.011;
VARIABLES[6] = 0.988;
VARIABLES[7] = 0.975;
}

void ComputeRates(double* BOUND, double* RATES, double* CONSTANTS, double* VARIABLES)
{
RATES[4] = ((VARIABLES[17]-(VARIABLES[18]+VARIABLES[25]+VARIABLES[13]+VARIABLES[16]))/CONSTANTS[2]);
RATES[5] = ((VARIABLES[19]*(1.00000-VARIABLES[5]))-(VARIABLES[20]*VARIABLES[5]));
RATES[6] = ((VARIABLES[21]*(1.00000-VARIABLES[6]))-(VARIABLES[22]*VARIABLES[6]));
RATES[7] = ((VARIABLES[23]*(1.00000-VARIABLES[7]))-(VARIABLES[24]*VARIABLES[7]));
RATES[0] = ((-0.0100000*VARIABLES[25])+(0.0700000*(0.000100000-VARIABLES[0])));
RATES[1] = ((VARIABLES[9]*(1.00000-VARIABLES[1]))-(VARIABLES[10]*VARIABLES[1]));
RATES[2] = ((VARIABLES[11]*(1.00000-VARIABLES[2]))-(VARIABLES[12]*VARIABLES[2]));
RATES[3] = ((VARIABLES[14]*(1.00000-VARIABLES[3]))-(VARIABLES[15]*VARIABLES[3]));
}

void ComputeVariables(double* BOUND, double* RATES, double* CONSTANTS, double* VARIABLES)
{
VARIABLES[8] = (-82.3000-(13.0287*log((VARIABLES[0]*0.00100000))));
VARIABLES[21] = (0.126000*exp((-0.250000*(VARIABLES[4]+77.0000))));
VARIABLES[22] = (1.70000/(exp((-0.0820000*(VARIABLES[4]+22.5000)))+1.00000));
VARIABLES[23] = ((0.0550000*exp((-0.250000*(VARIABLES[4]+78.0000))))/(exp((-0.200000*(VARIABLES[4]+78.0000)))+1.00000));
VARIABLES[24] = (0.300000/(exp((-0.100000*(VARIABLES[4]+32.0000)))+1.00000));
VARIABLES[25] = (CONSTANTS[9]*VARIABLES[1]*VARIABLES[2]*(VARIABLES[4]-VARIABLES[8]));
VARIABLES[9] = ((0.0950000*exp((-((VARIABLES[4]-5.00000)/100.000))))/(1.00000+exp((-((VARIABLES[4]-5.00000)/13.8900)))));
VARIABLES[10] = ((0.0700000*exp((-((VARIABLES[4]+44.0000)/59.0000))))/(1.00000+exp(((VARIABLES[4]+44.0000)/20.0000))));
VARIABLES[11] = ((0.0120000*exp((-((VARIABLES[4]+28.0000)/125.000))))/(1.00000+exp(((VARIABLES[4]+28.0000)/6.67000))));
VARIABLES[12] = ((0.00650000*exp((-((VARIABLES[4]+30.0000)/50.0000))))/(1.00000+exp((-((VARIABLES[4]+30.0000)/5.00000)))));
VARIABLES[13] = (VARIABLES[3]*0.00800000*((exp((0.0400000*(VARIABLES[4]+77.0000)))-1.00000)/exp((0.0400000*(VARIABLES[4]+35.0000)))));
VARIABLES[14] = (0.000500000*(exp(((VARIABLES[4]+50.0000)/12.1000))/(1.00000+exp(((VARIABLES[4]+50.0000)/17.5000)))));
VARIABLES[15] = (0.00130000*(exp((-((VARIABLES[4]+20.0000)/16.6700)))/(1.00000+exp((-((VARIABLES[4]+20.0000)/25.0000))))));
VARIABLES[16] = (0.00350000*((4.00000*((exp((0.0400000*(VARIABLES[4]+85.0000)))-1.00000)/(exp((0.0800000*(VARIABLES[4]+53.0000)))+exp((0.0400000*(VARIABLES[4]+53.0000))))))+(0.200000*((VARIABLES[4]+23.0000)/(1.00000-exp((-0.0400000*(VARIABLES[4]+23.0000))))))));
VARIABLES[17] = ((((BOUND[0]>=CONSTANTS[0]))&&((BOUND[0]<=CONSTANTS[1]))&&((((BOUND[0]-CONSTANTS[0])-(floor(((BOUND[0]-CONSTANTS[0])/CONSTANTS[4]))*CONSTANTS[4]))<=CONSTANTS[5])))) ? (CONSTANTS[3]) : (0.00000);
VARIABLES[18] = (((CONSTANTS[6]*pow(VARIABLES[5],3.00000)*VARIABLES[6]*VARIABLES[7])+CONSTANTS[8])*(VARIABLES[4]-CONSTANTS[7]));
VARIABLES[19] = ((-1.00000*(VARIABLES[4]+47.0000))/(exp((-0.100000*(VARIABLES[4]+47.0000)))-1.00000));
VARIABLES[20] = (40.0000*exp((-0.0560000*(VARIABLES[4]+72.0000))));
#ifndef VARIABLES_FOR_RATES_ONLY
#endif
}