WrappingCosineActivation Class Reference

Wrapping cosine activation function. More...

#include <ActivationFunction.h>

Inheritance diagram for WrappingCosineActivation:

Public Member Functions
	WrappingCosineActivation (double cardiac_period)
	Construct a new WrappingCosineActivation object.
double	compute (double time) override
	Compute activation value at given time.
Public Member Functions inherited from ActivationFunction
	ActivationFunction (double cardiac_period, const std::vector< std::pair< std::string, InputParameter > > &input_param_properties)
	Construct activation function.
virtual ActivationSignalType	signal_type () const
	Type of signal this activation function's compute() produces.
Public Member Functions inherited from ParameterHolder
	ParameterHolder (const std::vector< std::pair< std::string, InputParameter > > &props)
	Construct a ParameterHolder.
void	set_param (const std::string &name, double value)
	Set a scalar parameter value by name.
void	set_param_vector (const std::string &name, const std::vector< double > &value)
	Set a vector-valued parameter value by name.
virtual void	finalize ()
	Called once after all parameters have been read from the input file (e.g. by the loader).

Additional Inherited Members
Static Public Member Functions inherited from ActivationFunction
static std::unique_ptr< ActivationFunction >	create_default (const std::string &type_str, double cardiac_period)
	Create a default activation function from activation function type.
Public Attributes inherited from ParameterHolder
const std::vector< std::pair< std::string, InputParameter > >	input_param_properties
	Properties of the input parameters for this component [(name, InputParameter), ...].
Protected Attributes inherited from ActivationFunction
double	cardiac_period_
	Time duration of one cardiac cycle.
Protected Attributes inherited from ParameterHolder
std::map< std::string, double >	params_
	Map of scalar parameter names to their values.
std::map< std::string, std::vector< double > >	params_vec_
	Map of vector-valued parameter names to their values.

Detailed Description

Wrapping cosine activation function.

Reproduces the atrial activation AA(t) from [10] and [5]. The cosine wraps across the cardiac cycle boundary, which half_cosine and piecewise_cosine cannot do.

Parameters:

• Tsa — Atrial systole time fraction (multiplied by cardiac period)
• tpwave — P-wave divisor (cardiac period is divided by this)

Constructor & Destructor Documentation

WrappingCosineActivation()

WrappingCosineActivation::WrappingCosineActivation ( double cardiac_period )

inlineexplicit

Construct a new WrappingCosineActivation object.

Parameters

cardiac_period

Cardiac cycle period

Member Function Documentation

compute()

double WrappingCosineActivation::compute ( double time )

overridevirtual

Compute activation value at given time.

Parameters

time	Current time

Returns

Activation value between 0 and 1

Implements ActivationFunction.

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

• model/ActivationFunction.h
• model/ActivationFunction.cpp