nest::eprop_iaf_psc_delta::Parameters_ Struct Reference

Structure of parameters. More...

Public Member Functions
	Parameters_ ()
	Default constructor.
void	get (Dictionary &) const
	Get the parameters and their values.
double	set (const Dictionary &, Node *)
	Set the parameters and throw errors in case of invalid values.

Public Attributes
double	tau_m_
	Time constant of the membrane (ms).
double	C_m_
	Capacitance of the membrane (pF).
double	t_ref_
	Duration of the refractory period (ms).
double	E_L_
	Leak / resting membrane potential (mV).
double	I_e_
	Constant external input current (pA).
double	V_th_
	Spike threshold voltage relative to the leak membrane potential (mV).
double	V_min_
	Absolute lower bound of the membrane voltage relative to the leak membrane potential (mV).
double	V_reset_
	Reset voltage relative to the leak membrane potential (mV).
bool	with_refr_input_
	If True, count spikes arriving during the refractory period.
double	c_reg_
	Coefficient of firing rate regularization.
double	f_target_
	Target firing rate of rate regularization (spikes/s).
std::string	surrogate_gradient_function_
	Surrogate gradient / pseudo-derivative function of the membrane voltage ["piecewise_linear", "exponential", "fast_sigmoid_derivative", "arctan_derivative"].
double	surrogate_gradient_height_
	Height scaling of surrogate gradient / pseudo-derivative of membrane voltage.
double	surrogate_gradient_width_
	Width scaling of surrogate gradient / pseudo-derivative of membrane voltage.
double	kappa_
	Low-pass filter of the eligibility trace.
double	kappa_reg_
	Low-pass filter of the firing rate for regularization.

Detailed Description

Structure of parameters.

Constructor & Destructor Documentation

Parameters_()

nest::eprop_iaf_psc_delta::Parameters_::Parameters_

(

)

Default constructor.

Member Function Documentation

get()

void nest::eprop_iaf_psc_delta::Parameters_::get

(

Dictionary &

d

)

const

Get the parameters and their values.

References nest::names::C_m(), nest::names::c_reg(), nest::names::E_L(), nest::names::f_target(), nest::names::I_e(), nest::names::kappa(), nest::names::kappa_reg(), nest::names::refractory_input(), nest::names::surrogate_gradient_function(), nest::names::surrogate_gradient_height(), nest::names::surrogate_gradient_width(), nest::names::t_ref(), nest::names::tau_m(), nest::names::V_min(), nest::names::V_reset(), and nest::names::V_th().

Referenced by nest::eprop_iaf_psc_delta::get_status().

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set()

double nest::eprop_iaf_psc_delta::Parameters_::set	(	const Dictionary &	d,
		Node *	node
	)

Set the parameters and throw errors in case of invalid values.

References nest::names::C_m(), nest::names::c_reg(), nest::EpropArchivingNodeRecurrent< hist_shift_required >::compute_surrogate_gradient_, nest::names::E_L(), nest::names::f_target(), nest::EpropArchivingNodeRecurrent< hist_shift_required >::find_surrogate_gradient(), nest::names::I_e(), nest::names::kappa(), nest::names::kappa_reg(), nest::names::refractory_input(), nest::names::surrogate_gradient_function(), nest::names::surrogate_gradient_height(), nest::names::surrogate_gradient_width(), nest::names::t_ref(), nest::names::tau_m(), nest::update_value_param(), nest::names::V_min(), nest::names::V_reset(), and nest::names::V_th().

Referenced by nest::eprop_iaf_psc_delta::set_status().

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Member Data Documentation

C_m_

double nest::eprop_iaf_psc_delta::Parameters_::C_m_

Capacitance of the membrane (pF).

Referenced by nest::eprop_iaf_psc_delta::pre_run_hook().

c_reg_

double nest::eprop_iaf_psc_delta::Parameters_::c_reg_

Coefficient of firing rate regularization.

Referenced by nest::eprop_iaf_psc_delta::update().

E_L_

double nest::eprop_iaf_psc_delta::Parameters_::E_L_

Leak / resting membrane potential (mV).

Referenced by nest::eprop_iaf_psc_delta::get_v_m_().

f_target_

double nest::eprop_iaf_psc_delta::Parameters_::f_target_

Target firing rate of rate regularization (spikes/s).

Referenced by nest::eprop_iaf_psc_delta::update().

I_e_

double nest::eprop_iaf_psc_delta::Parameters_::I_e_

Constant external input current (pA).

Referenced by nest::eprop_iaf_psc_delta::update().

kappa_

double nest::eprop_iaf_psc_delta::Parameters_::kappa_

Low-pass filter of the eligibility trace.

Referenced by nest::eprop_iaf_psc_delta::compute_gradient().

kappa_reg_

double nest::eprop_iaf_psc_delta::Parameters_::kappa_reg_

Low-pass filter of the firing rate for regularization.

Referenced by nest::eprop_iaf_psc_delta::compute_gradient(), and nest::eprop_iaf_psc_delta::update().

surrogate_gradient_function_

std::string nest::eprop_iaf_psc_delta::Parameters_::surrogate_gradient_function_

Surrogate gradient / pseudo-derivative function of the membrane voltage ["piecewise_linear", "exponential", "fast_sigmoid_derivative", "arctan_derivative"].

surrogate_gradient_height_

double nest::eprop_iaf_psc_delta::Parameters_::surrogate_gradient_height_

Height scaling of surrogate gradient / pseudo-derivative of membrane voltage.

Referenced by nest::eprop_iaf_psc_delta::update().

surrogate_gradient_width_

double nest::eprop_iaf_psc_delta::Parameters_::surrogate_gradient_width_

Width scaling of surrogate gradient / pseudo-derivative of membrane voltage.

Referenced by nest::eprop_iaf_psc_delta::update().

t_ref_

double nest::eprop_iaf_psc_delta::Parameters_::t_ref_

Duration of the refractory period (ms).

Referenced by nest::eprop_iaf_psc_delta::pre_run_hook().

tau_m_

double nest::eprop_iaf_psc_delta::Parameters_::tau_m_

Time constant of the membrane (ms).

Referenced by nest::eprop_iaf_psc_delta::pre_run_hook(), and nest::eprop_iaf_psc_delta::update().

V_min_

double nest::eprop_iaf_psc_delta::Parameters_::V_min_

Absolute lower bound of the membrane voltage relative to the leak membrane potential (mV).

Referenced by nest::eprop_iaf_psc_delta::update().

V_reset_

double nest::eprop_iaf_psc_delta::Parameters_::V_reset_

Reset voltage relative to the leak membrane potential (mV).

Referenced by nest::eprop_iaf_psc_delta::update().

V_th_

double nest::eprop_iaf_psc_delta::Parameters_::V_th_

Spike threshold voltage relative to the leak membrane potential (mV).

Referenced by nest::eprop_iaf_psc_delta::update().

with_refr_input_

bool nest::eprop_iaf_psc_delta::Parameters_::with_refr_input_

If True, count spikes arriving during the refractory period.

Referenced by nest::eprop_iaf_psc_delta::update().

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

• eprop_iaf_psc_delta.h
• eprop_iaf_psc_delta.cpp