#include <Branin02.hpp>

Inheritance diagram for sgpp::optimization::test_problems::Branin02Objective:

Public Member Functions
	Branin02Objective ()
	Constructor.

void	clone (std::unique_ptr< base::ScalarFunction > &clone) const override

double	evalUndisplaced (const base::DataVector &x) override

	~Branin02Objective () override
	Destructor.

Public Member Functions inherited from sgpp::optimization::test_problems::TestScalarFunction
double	eval (const base::DataVector &x) override
	Evaluate displaced function.

const base::DataVector &	getDisplacement () const

void	setDisplacement (const base::DataVector &displacement)

	TestScalarFunction (size_t d)
	Constructor.

	~TestScalarFunction () override
	Destructor.

Public Member Functions inherited from sgpp::base::ScalarFunction
virtual void	eval (const DataMatrix &x, DataVector &value)
	Convenience method for calculating \(f(\vec{x})\) for multiple \(\vec{x}\).

size_t	getNumberOfParameters () const

	ScalarFunction (size_t d)
	Constructor.

virtual	~ScalarFunction ()
	Destructor.

Additional Inherited Members
Protected Attributes inherited from sgpp::optimization::test_problems::TestScalarFunction
base::DataVector	displacement
	displacement vector

base::DataVector	xTmp
	temporary vector for displacing

Protected Attributes inherited from sgpp::base::ScalarFunction
size_t	d
	dimension of the domain

Detailed Description

Branin02 objective function.

Definition:

\[\bar{f}(\bar{\vec{x}}) := \left(\bar{x}_2 - 5.1 \bar{x}_1^2/(4\pi^2) + 5 \bar{x}_1/\pi - 6\right)^2 + 10 \left(1 - 1/(8\pi)\right) \cos \bar{x}_1 \cos \bar{x}_2 + \ln(\bar{x}_1^2 + \bar{x}_2^2 + 1) + 10\]

Constructor & Destructor Documentation

◆ Branin02Objective()

sgpp::optimization::test_problems::Branin02Objective::Branin02Objective ( )

Constructor.

Referenced by clone().

◆ ~Branin02Objective()

sgpp::optimization::test_problems::Branin02Objective::~Branin02Objective ( )

override

Destructor.

Member Function Documentation

◆ clone()

void sgpp::optimization::test_problems::Branin02Objective::clone ( std::unique_ptr< base::ScalarFunction > & clone ) const

overridevirtual

Parameters

[out] clone pointer to cloned object

Implements sgpp::base::ScalarFunction.

References Branin02Objective(), and clone().

Referenced by clone().

◆ evalUndisplaced()

double sgpp::optimization::test_problems::Branin02Objective::evalUndisplaced ( const base::DataVector & x )

overridevirtual

Parameters

x	point \(\vec{x} \in [0, 1]^d\)

Returns: \(f(\vec{x})\)

Implements sgpp::optimization::test_problems::TestScalarFunction.

References M_PI.

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

optimization/src/sgpp/optimization/test_problems/unconstrained/Branin02.hpp
optimization/src/sgpp/optimization/test_problems/unconstrained/Branin02.cpp

Public Member Functions