SG++-Doxygen-Documentation
sgpp::optimization::test_problems::Hartman3Objective Class Reference

Hartman3 objective function. More...

#include <Hartman3.hpp>

Inheritance diagram for sgpp::optimization::test_problems::Hartman3Objective:
sgpp::optimization::test_problems::TestScalarFunction sgpp::optimization::ScalarFunction

Public Member Functions

void clone (std::unique_ptr< ScalarFunction > &clone) const override
 
double evalUndisplaced (const base::DataVector &x) override
 
 Hartman3Objective ()
 Constructor. More...
 
 ~Hartman3Objective () 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

Hartman3 objective function.

Definition:

\begin{gather*} \bar{f}(\bar{\vec{x}}) := -\sum_{i=1}^4 a_i \exp\!\left(-\sum_{t=1}^3 b_{i,t} (\bar{x}_t - c_{i,t})^2\right),\\ \vec{a} = \begin{pmatrix}1\\1.2\\3\\3.2\end{pmatrix},\qquad B := \begin{pmatrix} 3 & 10 & 30\\ 0.1 & 10 & 35\\ 3 & 10 & 30\\ 0.1 & 10 & 35 \end{pmatrix},\qquad C := \begin{pmatrix} 0.3689 & 0.1170 & 0.2673\\ 0.4699 & 0.4387 & 0.7470\\ 0.1091 & 0.8732 & 0.5547\\ 0.0382 & 0.5743 & 0.8828 \end{pmatrix}\end{gather*}

Constructor & Destructor Documentation

sgpp::optimization::test_problems::Hartman3Objective::Hartman3Objective ( )

Constructor.

Referenced by clone().

sgpp::optimization::test_problems::Hartman3Objective::~Hartman3Objective ( )
override

Destructor.

Member Function Documentation

void sgpp::optimization::test_problems::Hartman3Objective::clone ( std::unique_ptr< ScalarFunction > &  clone) const
overridevirtual
Parameters
[out]clonepointer to cloned object

Implements sgpp::optimization::ScalarFunction.

References Hartman3Objective().

double sgpp::optimization::test_problems::Hartman3Objective::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: