gplib::AnnealingGA Class Reference
[Genetic algorithm optimization]
AnnealingGA implements a genetic algorithm with an annealing style objective function.
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#include <AnnealingGA.h>
Public Member Functions | |
| int | GetBestIndex () |
| The index of the best population member. | |
| void | SetParams (const double InitT, const int AnnealG, const double AnnealR) |
| Set the parameters for the annealing process. | |
| unsigned virtual int | GetNBestmodels () |
| How many best models exist in this iteration, for this GA it is always 1. | |
| virtual std::vector< int > | GetBestModelIndices () |
| Return the vector containing the best indices, here it has always one component equal to GetBestIndex. | |
| virtual void | CalcProbabilities (const int iterationnumber, gplib::rmat &LocalMisFit, GeneralPopulation &LocalPopulation) |
| Calculate the selection probabilities given the iterationnumber, misfit and population to store the results. | |
| AnnealingGA (GeneralPropagation *const LocalPropagation, GeneralPopulation *const LocalPopulation, GeneralTranscribe *const LocalTranscribe, const tObjectiveVector &IndObjective, const int nthreads=1) | |
| The constructor only passes on the parameters to GeneralGA. | |
| virtual | ~AnnealingGA () |
Protected Member Functions | |
| virtual void | Elitism (const int iterationnumber) |
| The implementation of Elitism for the AnnealingGA, in this case this function has no effect. | |
Detailed Description
AnnealingGA implements a genetic algorithm with an annealing style objective function.For the first AnnealingGeneration iterations the objective function is kept constant after that the misfit is stretched with an exponential annealing function to focus on the minimum
Definition at line 15 of file AnnealingGA.h.
Constructor & Destructor Documentation
| gplib::AnnealingGA::AnnealingGA | ( | GeneralPropagation *const | LocalPropagation, | |
| GeneralPopulation *const | LocalPopulation, | |||
| GeneralTranscribe *const | LocalTranscribe, | |||
| const tObjectiveVector & | IndObjective, | |||
| const int | nthreads = 1 | |||
| ) |
The constructor only passes on the parameters to GeneralGA.
Definition at line 14 of file AnnealingGA.cpp.
| gplib::AnnealingGA::~AnnealingGA | ( | ) | [virtual] |
Definition at line 24 of file AnnealingGA.cpp.
Member Function Documentation
| virtual void gplib::AnnealingGA::CalcProbabilities | ( | const int | iterationnumber, | |
| gplib::rmat & | LocalMisFit, | |||
| GeneralPopulation & | LocalPopulation | |||
| ) | [virtual] |
Calculate the selection probabilities given the iterationnumber, misfit and population to store the results.
Implements gplib::GeneralGA.
| void gplib::AnnealingGA::Elitism | ( | const int | iterationnumber | ) | [protected, virtual] |
The implementation of Elitism for the AnnealingGA, in this case this function has no effect.
Reimplemented from gplib::GeneralGA.
Definition at line 69 of file AnnealingGA.cpp.
| int gplib::AnnealingGA::GetBestIndex | ( | ) |
The index of the best population member.
Definition at line 28 of file AnnealingGA.cpp.
References gplib::GeneralPopulation::GetProbabilities(), and gplib::GeneralGA::Population.
Referenced by GetBestModelIndices().
| virtual std::vector<int> gplib::AnnealingGA::GetBestModelIndices | ( | ) | [inline, virtual] |
Return the vector containing the best indices, here it has always one component equal to GetBestIndex.
Implements gplib::GeneralGA.
Definition at line 39 of file AnnealingGA.h.
References GetBestIndex().
| unsigned virtual int gplib::AnnealingGA::GetNBestmodels | ( | ) | [inline, virtual] |
How many best models exist in this iteration, for this GA it is always 1.
Implements gplib::GeneralGA.
Definition at line 34 of file AnnealingGA.h.
Set the parameters for the annealing process.
Definition at line 35 of file AnnealingGA.cpp.
Referenced by SetupAnnealingGA().
The documentation for this class was generated from the following files:
