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

Perm objective function. More...

#include <Perm.hpp>

Inheritance diagram for sgpp::optimization::test_problems::PermObjective:
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
 
 PermObjective (size_t d)
 Constructor. More...
 
 ~PermObjective () 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

Perm objective function.

Definition:

\[\bar{f}(\bar{\vec{x}}) := \sum_{i=1}^d \left(\sum_{t=1}^d (t^i + 1) \left(\left(\frac{\bar{x}_t}{t}\right)^i - 1\right)\right)\]

Constructor & Destructor Documentation

◆ PermObjective()

sgpp::optimization::test_problems::PermObjective::PermObjective ( size_t  d)
explicit

Constructor.

Parameters
ddimension of the domain

Referenced by clone().

◆ ~PermObjective()

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

Destructor.

Member Function Documentation

◆ clone()

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

Implements sgpp::optimization::ScalarFunction.

References PermObjective().

◆ evalUndisplaced()

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

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

References sgpp::optimization::ScalarFunction::d, python.statsfileInfo::i, and sgpp::combigrid::pow().


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