This module defines data structures for Fitzhugh-Nagumo cellular activation model for cardiac electrophysiology. More...

#include <CepModFn.h>

Public Member Functions
void	getf (const int n, const Vector< double > &X, Vector< double > &f, const double fext)

void	getj (const int n, const Vector< double > &X, Array< double > &JAC)

void	init (const int nX, Vector< double > &X)
	SUBROUTINE FN_INIT0(nX, X)

void	init (const int nX, Vector< double > &X, double X0)
	SUBROUTINE FN_INITS(nX, X, X0)

void	init (const int nX, Vector< double > &X, Vector< double > &X0)
	SUBROUTINE FN_INITV(nX, X, X0)

void	integ_cn2 (const int nX, Vector< double > &Xn, const double Ts, const double Ti, const double Istim, Vector< int > &IPAR, Vector< double > &RPAR)
	Time integration performed using Crank-Nicholson method.

void	integ_fe (const int nX, Vector< double > &X, const double Ts, const double Ti, const double Istim)
	Time integration performed using Forward Euler method.

void	integ_rk (const int nX, Vector< double > &X, const double Ts, const double Ti, const double Istim)
	Time integration performed using 4th order Runge-Kutta method.

Public Attributes
double	Vscale = 1.0
	Voltage scaling.

double	Tscale = 1.0
	Time scaling.

double	Voffset = 0.0
	Voltage offset parameter.

double	alpha = -0.50
	Model parameters.

double	a = 0.0

double	b = -0.60

double	c = 50.0

Detailed Description

This module defines data structures for Fitzhugh-Nagumo cellular activation model for cardiac electrophysiology.

The classes defined here duplicate the data structures in the Fortran FNMOD module defined in CEPMOD_FN.f and PARAMS_FN.f files.

Member Function Documentation

◆ init() [1/3]

void CepModFn::init	(	const int	nX,
		Vector< double > &	X
	)

SUBROUTINE FN_INIT0(nX, X)

◆ init() [2/3]

void CepModFn::init	(	const int	nX,
		Vector< double > &	X,
		double	X0
	)

SUBROUTINE FN_INITS(nX, X, X0)

◆ init() [3/3]

void CepModFn::init	(	const int	nX,
		Vector< double > &	X,
		Vector< double > &	X0
	)

SUBROUTINE FN_INITV(nX, X, X0)

◆ integ_cn2()

void CepModFn::integ_cn2	(	const int	nX,
		Vector< double > &	Xn,
		const double	Ts,
		const double	Ti,
		const double	Istim,
		Vector< int > &	IPAR,
		Vector< double > &	RPAR
	)

Time integration performed using Crank-Nicholson method.

◆ integ_fe()

void CepModFn::integ_fe	(	const int	nX,
		Vector< double > &	X,
		const double	Ts,
		const double	Ti,
		const double	Istim
	)

Time integration performed using Forward Euler method.

◆ integ_rk()

void CepModFn::integ_rk	(	const int	nX,
		Vector< double > &	X,
		const double	Ts,
		const double	Ti,
		const double	Istim
	)

Time integration performed using 4th order Runge-Kutta method.

Replicates 'SUBROUTINE AP_INTEGRK(nX, X, Ts, Ti, Istim, Ksac)' defined in 'CEPMOD_AP.f'.

Member Data Documentation

◆ alpha

double CepModFn::alpha = -0.50

Model parameters.

◆ Tscale

double CepModFn::Tscale = 1.0

Time scaling.

◆ Voffset

double CepModFn::Voffset = 0.0

Voltage offset parameter.

◆ Vscale

double CepModFn::Vscale = 1.0

Voltage scaling.

The documentation for this class was generated from the following files:

solver/CepModFn.h
solver/CepModFn.cpp

Public Member Functions

Public Attributes