IAFPropagatorAlpha Class Reference

Exact integration voltage propagator for models with alpha psc. More...

#include <iaf_propagator.h>

Inheritance diagram for IAFPropagatorAlpha:

Collaboration diagram for IAFPropagatorAlpha:

Public Member Functions
	IAFPropagatorAlpha ()
	Empty constructor needed for initialization of buffers.
	IAFPropagatorAlpha (double tau_syn, double tau_m, double c_m)
std::tuple< double, double >	evaluate (double h) const
	Calculate propagator mapping I_syn and dI_syn to V_m for given time step.
Public Member Functions inherited from IAFPropagator
	IAFPropagator ()
	Empty constructor needed for initialization of buffers.
	IAFPropagator (double tau_syn, double tau_m, double c_m)

Additional Inherited Members
Protected Member Functions inherited from IAFPropagator
std::tuple< double, double, double, double >	evaluate_P32_ (double h) const
	Compute propagator connecting I_syn to V_m and auxiliary quantities for given time interval.
Protected Attributes inherited from IAFPropagator
double	tau_syn_
	Time constant of synaptic current in ms.
double	tau_m_
	Membrane time constant in ms.
double	c_m_
	Membrane capacitance in pF.
double	h_min_regular_
	Smallest h for which regular P31 case applies.
double	beta_
	(tau_syn * tau_m) / (tau_m - tau_syn)
double	gamma_
	beta_ / c_m
double	inv_tau_syn_
	1 / tau_syn
double	inv_tau_m_
	1 / tau_m
double	inv_c_m_
	1 / c_m
double	inv_beta_
	1 / beta
Static Protected Attributes inherited from IAFPropagator
static constexpr double	NUMERICAL_STABILITY_FACTOR_ = 1e-7
	Scale factor for singularity test for P31 computation.

Detailed Description

Exact integration voltage propagator for models with alpha psc.

Constructor & Destructor Documentation

IAFPropagatorAlpha() [1/2]

IAFPropagatorAlpha::IAFPropagatorAlpha

(

)

Empty constructor needed for initialization of buffers.

IAFPropagatorAlpha() [2/2]

IAFPropagatorAlpha::IAFPropagatorAlpha	(	double	tau_syn,
		double	tau_m,
		double	c_m
	)

Parameters

tau_syn	Time constant of synaptic current in ms
tau	Membrane time constant in ms
Membrane	capacitance in pF

Member Function Documentation

evaluate()

std::tuple< double, double > IAFPropagatorAlpha::evaluate

(

double

h

)

const

Calculate propagator mapping I_syn and dI_syn to V_m for given time step.

Parameters

h

time step

Returns

tuple with P_VdI and P_VI

References IAFPropagator::beta_, IAFPropagator::evaluate_P32_(), IAFPropagator::gamma_, IAFPropagator::h_min_regular_, IAFPropagator::inv_c_m_, and IAFPropagator::inv_tau_m_.

Referenced by nest::glif_psc::pre_run_hook(), nest::glif_psc_double_alpha::pre_run_hook(), nest::iaf_psc_alpha::pre_run_hook(), nest::iaf_psc_alpha_multisynapse::pre_run_hook(), nest::iaf_psc_alpha_ps::pre_run_hook(), nest::iaf_psc_alpha_ps::propagate_(), and nest::iaf_psc_alpha_ps::threshold_distance().

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

• iaf_propagator.h
• iaf_propagator.cpp