DoubleTanhActivation Class Reference

Double tanh (systole/diastole sigmoid product) activation function. More...

#include <ActivationFunction.h>

Inheritance diagram for DoubleTanhActivation:

Public Member Functions
	DoubleTanhActivation (double cardiac_period)
	Construct with default parameter values (loader fills via set_param).
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	~ActivationFunction ()=default
	Virtual destructor.
void	set_param (const std::string &name, double value)
	Set a scalar parameter value by name.
virtual void	finalize ()
	Called after all parameters are set (e.g. by 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 ActivationFunction
const std::vector< std::pair< std::string, InputParameter > >	input_param_properties
	Properties of the input parameters for this activation function [(name, InputParameter), ...].
Protected Attributes inherited from ActivationFunction
double	cardiac_period_
	Time duration of one cardiac cycle.
std::map< std::string, double >	params_
	Map of parameter names to their values.

Detailed Description

Double tanh (systole/diastole sigmoid product) activation function.

This implements the original ChamberSphere activation: a smooth indicator function built from the product of two tanh sigmoids, one rising at systole and one falling at diastole.

Constructor & Destructor Documentation

DoubleTanhActivation()

DoubleTanhActivation::DoubleTanhActivation ( double cardiac_period )

inlineexplicit

Construct with default parameter values (loader fills via set_param).

Parameters

cardiac_period

Cardiac cycle period

Member Function Documentation

compute()

double DoubleTanhActivation::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