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SG++-Doxygen-Documentation
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Perm objective function. More...
#include <Perm.hpp>
Public Member Functions | |
void | clone (std::unique_ptr< base::ScalarFunction > &clone) const override |
double | evalUndisplaced (const base::DataVector &x) override |
PermObjective (size_t d) | |
Constructor. | |
~PermObjective () override | |
Destructor. | |
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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. | |
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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 | |
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base::DataVector | displacement |
displacement vector | |
base::DataVector | xTmp |
temporary vector for displacing | |
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size_t | d |
dimension of the domain | |
Perm objective function.
Definition:
\[\bar{f}(\bar{\vec{x}}) := \sum_{i=1}^d \left(\sum_{t=1}^d (t^i + 1) \left(\left(\frac{\bar{x}_t}{t}\right)^i - 1\right)\right)\]
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explicit |
Constructor.
d | dimension of the domain |
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override |
Destructor.
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overridevirtual |
[out] | clone | pointer to cloned object |
Implements sgpp::base::ScalarFunction.
References clone().
Referenced by clone().
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overridevirtual |
x | point \(\vec{x} \in [0, 1]^d\) |
Implements sgpp::optimization::test_problems::TestScalarFunction.
References sgpp::base::ScalarFunction::d.