SG++
sgpp::optimization::test_problems::EggholderObjective Class Reference

Eggholder objective function. More...

#include <Eggholder.hpp>

Inheritance diagram for sgpp::optimization::test_problems::EggholderObjective:
sgpp::optimization::test_problems::TestScalarFunction sgpp::optimization::ScalarFunction

Public Member Functions

void clone (std::unique_ptr< ScalarFunction > &clone) const override
 
 EggholderObjective ()
 Constructor. More...
 
double evalUndisplaced (const base::DataVector &x) override
 
 ~EggholderObjective () override
 Destructor. More...
 
- Public Member Functions inherited from sgpp::optimization::test_problems::TestScalarFunction
double eval (const base::DataVector &x) override
 Evaluate displaced function. More...
 
const base::DataVectorgetDisplacement () const
 
void setDisplacement (const base::DataVector &displacement)
 
 TestScalarFunction (size_t d)
 Constructor. More...
 
 ~TestScalarFunction () override
 Destructor. More...
 
- Public Member Functions inherited from sgpp::optimization::ScalarFunction
size_t getNumberOfParameters () const
 
 ScalarFunction (size_t d)
 Constructor. More...
 
virtual ~ScalarFunction ()
 Destructor. More...
 

Additional Inherited Members

- Protected Attributes inherited from sgpp::optimization::test_problems::TestScalarFunction
base::DataVector displacement
 displacement vector More...
 
base::DataVector xTmp
 temporary vector for displacing More...
 
- Protected Attributes inherited from sgpp::optimization::ScalarFunction
size_t d
 dimension of the domain More...
 

Detailed Description

Eggholder objective function.

Definition:

\[\bar{f}(\bar{\vec{x})} := -(\bar{x}_2 + 47) \sin\!\left(\sqrt{ \left|\bar{x}_1/2 + \bar{x}_2 + 47\right|}\right) - \bar{x}_1 \sin\!\left(\sqrt{ \left|\bar{x}_1 - \bar{x}_2 - 47\right|}\right)\]

Constructor & Destructor Documentation

sgpp::optimization::test_problems::EggholderObjective::EggholderObjective ( )

Constructor.

Referenced by clone().

sgpp::optimization::test_problems::EggholderObjective::~EggholderObjective ( )
override

Destructor.

Member Function Documentation

void sgpp::optimization::test_problems::EggholderObjective::clone ( std::unique_ptr< ScalarFunction > &  clone) const
overridevirtual
Parameters
[out]clonepointer to cloned object

Implements sgpp::optimization::ScalarFunction.

References EggholderObjective().

double sgpp::optimization::test_problems::EggholderObjective::evalUndisplaced ( const base::DataVector x)
overridevirtual
Parameters
xpoint \(\vec{x} \in [0, 1]^d\)
Returns
\(f(\vec{x})\)

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


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