shark::RealCodedNSGAIII Class Reference
Implements the NSGA-III. More...
#include <shark/Algorithms/DirectSearch/RealCodedNSGAIII.h>
Inheritance diagram for shark::RealCodedNSGAIII:
Public Member Functions | |
| RealCodedNSGAIII (random::rng_type &rng=random::globalRng) | |
| Default c'tor. More... | |
| std::string | name () const |
| returns the name of the object More... | |
| Public Member Functions inherited from shark::IndicatorBasedRealCodedNSGAII< NSGA3Indicator > | |
| IndicatorBasedRealCodedNSGAII (random::rng_type &rng=random::globalRng) | |
| Default c'tor. More... | |
| std::string | name () const |
| returns the name of the object More... | |
| double | crossoverProbability () const |
| Returns the probability that crossover is applied. More... | |
| double & | crossoverProbability () |
| Returns the probability that crossover is applied. More... | |
| double | nm () const |
| Returns the mutation variation strength parameter. More... | |
| double & | nm () |
| Returns a reference to the mutation variation strength parameter. More... | |
| double | nc () const |
| Returns the crossover variation strength parameter. More... | |
| double & | nc () |
| Returns a reference to the crossover variation strength parameter. More... | |
| std::size_t | mu () const |
| Returns the number of elements in the front. More... | |
| std::size_t & | mu () |
| Returns the number of elements in the front. More... | |
| std::size_t | numInitPoints () const |
| The number of points used for initialization of the algorithm. More... | |
| NSGA3Indicator & | indicator () |
| Returns the indicator used. More... | |
| NSGA3Indicator const & | indicator () const |
| Returns the indicator used. More... | |
| void | read (InArchive &archive) |
| Read the component from the supplied archive. More... | |
| void | write (OutArchive &archive) const |
| Write the component to the supplied archive. More... | |
| void | init (ObjectiveFunctionType const &function, std::vector< SearchPointType > const &initialSearchPoints) |
| Initializes the algorithm for the supplied objective function. More... | |
| void | step (ObjectiveFunctionType const &function) |
| Executes one iteration of the algorithm. More... | |
| Public Member Functions inherited from shark::AbstractMultiObjectiveOptimizer< RealVector > | |
| SolutionType const & | solution () const |
| Accesses the current approximation of the Pareto-set and -front, respectively. More... | |
| Public Member Functions inherited from shark::AbstractOptimizer< RealVector, RealVector, std::vector< ResultSet< RealVector, RealVector > > > | |
| const Features & | features () const |
| virtual void | updateFeatures () |
| bool | requiresValue () const |
| bool | requiresFirstDerivative () const |
| bool | requiresSecondDerivative () const |
| bool | canSolveConstrained () const |
| bool | requiresClosestFeasible () const |
| virtual | ~AbstractOptimizer () |
| virtual void | init (ObjectiveFunctionType const &function) |
| Initialize the optimizer for the supplied objective function. More... | |
| Public Member Functions inherited from shark::INameable | |
| virtual | ~INameable () |
| Public Member Functions inherited from shark::ISerializable | |
| virtual | ~ISerializable () |
| Virtual d'tor. More... | |
| void | load (InArchive &archive, unsigned int version) |
| Versioned loading of components, calls read(...). More... | |
| void | save (OutArchive &archive, unsigned int version) const |
| Versioned storing of components, calls write(...). More... | |
| BOOST_SERIALIZATION_SPLIT_MEMBER () | |
Protected Member Functions | |
| void | doInit (std::vector< SearchPointType > const &initialSearchPoints, std::vector< ResultType > const &functionValues, RealVector const &lowerBounds, RealVector const &upperBounds, std::size_t mu, double nm, double nc, double crossover_prob, std::vector< Preference > const &indicatorPreferences=std::vector< Preference >()) |
| Protected Member Functions inherited from shark::IndicatorBasedRealCodedNSGAII< NSGA3Indicator > | |
| void | doInit (std::vector< SearchPointType > const &initialSearchPoints, std::vector< ResultType > const &functionValues, RealVector const &lowerBounds, RealVector const &upperBounds, std::size_t mu, double nm, double nc, double crossover_prob) |
| std::vector< IndividualType > | generateOffspring () const |
| void | updatePopulation (std::vector< IndividualType > const &offspringVec) |
| Protected Member Functions inherited from shark::AbstractOptimizer< RealVector, RealVector, std::vector< ResultSet< RealVector, RealVector > > > | |
| void | checkFeatures (ObjectiveFunctionType const &objectiveFunction) |
| Convenience function that checks whether the features of the supplied objective function match with the required features of the optimizer. More... | |
Detailed Description
Implements the NSGA-III.
The NSGAIII works similar to the NSGAII except that the crowding distance is replaced by its own, reference point based indicator.
Please see the following papers for further reference: Deb, Kalyanmoy, and Himanshu Jain. "An evolutionary many-objective optimization algorithm using reference-point-based nondominated sorting approach, part I: Solving problems with box constraints." IEEE Trans. Evolutionary Computation 18.4 (2014): 577-601.
Definition at line 53 of file RealCodedNSGAIII.h.
Constructor & Destructor Documentation
◆ RealCodedNSGAIII()
|
inline |
Default c'tor.
Definition at line 58 of file RealCodedNSGAIII.h.
Member Function Documentation
◆ doInit()
|
inlineprotected |
Definition at line 65 of file RealCodedNSGAIII.h.
References shark::IndicatorBasedRealCodedNSGAII< NSGA3Indicator >::doInit(), shark::IndicatorBasedRealCodedNSGAII< NSGA3Indicator >::indicator(), shark::NSGA3Indicator::init(), shark::IndicatorBasedRealCodedNSGAII< NSGA3Indicator >::mpe_rng, and shark::IndicatorBasedRealCodedNSGAII< NSGA3Indicator >::mu().
◆ name()
|
inlinevirtual |
returns the name of the object
Reimplemented from shark::INameable.
Definition at line 61 of file RealCodedNSGAIII.h.
The documentation for this class was generated from the following file:
- include/shark/Algorithms/DirectSearch/RealCodedNSGAIII.h