1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Linq;
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24 | using HeuristicLab.Analysis;
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25 | using HeuristicLab.Common;
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26 | using HeuristicLab.Core;
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27 | using HeuristicLab.Data;
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28 | using HeuristicLab.Encodings.RealVectorEncoding;
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29 | using HeuristicLab.Operators;
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30 | using HeuristicLab.Optimization;
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31 | using HeuristicLab.Optimization.Operators;
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32 | using HeuristicLab.Parameters;
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33 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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34 | using HeuristicLab.PluginInfrastructure;
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35 | using HeuristicLab.Random;
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36 |
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37 | namespace HeuristicLab.Algorithms.CMAEvolutionStrategy {
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38 | [Item("CMA Evolution Strategy (CMAES)", "An evolution strategy based on covariance matrix adaptation.")]
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39 | [Creatable(CreatableAttribute.Categories.PopulationBasedAlgorithms, Priority = 210)]
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40 | [StorableClass]
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41 | public sealed class CMAEvolutionStrategy : HeuristicOptimizationEngineAlgorithm, IStorableContent {
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42 | public string Filename { get; set; }
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43 | #region Strings
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44 | private const string SeedName = "Seed";
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45 | private const string SetSeedRandomlyName = "SetSeedRandomly";
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46 | private const string PopulationSizeName = "PopulationSize";
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47 | private const string InitialIterationsName = "InitialIterations";
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48 | private const string InitialSigmaName = "InitialSigma";
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49 | private const string MuName = "Mu";
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50 | private const string CMAInitializerName = "CMAInitializer";
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51 | private const string CMAMutatorName = "CMAMutator";
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52 | private const string CMARecombinatorName = "CMARecombinator";
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53 | private const string CMAUpdaterName = "CMAUpdater";
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54 | private const string AnalyzerName = "Analyzer";
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55 | private const string MaximumGenerationsName = "MaximumGenerations";
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56 | private const string MaximumEvaluatedSolutionsName = "MaximumEvaluatedSolutions";
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57 | private const string TargetQualityName = "TargetQuality";
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58 | private const string MinimumQualityChangeName = "MinimumQualityChange";
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59 | private const string MinimumQualityHistoryChangeName = "MinimumQualityHistoryChange";
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60 | private const string MinimumStandardDeviationName = "MinimumStandardDeviation";
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61 | private const string MaximumStandardDeviationChangeName = "MaximumStandardDeviationChange";
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62 | #endregion
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63 |
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64 | #region Problem Properties
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65 | public override Type ProblemType {
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66 | get { return typeof(ISingleObjectiveHeuristicOptimizationProblem); }
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67 | }
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68 | public new ISingleObjectiveHeuristicOptimizationProblem Problem {
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69 | get { return (ISingleObjectiveHeuristicOptimizationProblem)base.Problem; }
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70 | set { base.Problem = value; }
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71 | }
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72 | #endregion
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73 |
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74 | #region Parameter Properties
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75 | public IValueParameter<MultiAnalyzer> AnalyzerParameter {
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76 | get { return (IValueParameter<MultiAnalyzer>)Parameters[AnalyzerName]; }
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77 | }
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78 | private IFixedValueParameter<IntValue> SeedParameter {
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79 | get { return (IFixedValueParameter<IntValue>)Parameters[SeedName]; }
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80 | }
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81 | private IFixedValueParameter<BoolValue> SetSeedRandomlyParameter {
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82 | get { return (IFixedValueParameter<BoolValue>)Parameters[SetSeedRandomlyName]; }
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83 | }
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84 | private IFixedValueParameter<IntValue> PopulationSizeParameter {
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85 | get { return (IFixedValueParameter<IntValue>)Parameters[PopulationSizeName]; }
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86 | }
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87 | private IFixedValueParameter<IntValue> InitialIterationsParameter {
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88 | get { return (IFixedValueParameter<IntValue>)Parameters[InitialIterationsName]; }
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89 | }
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90 | public IValueParameter<DoubleArray> InitialSigmaParameter {
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91 | get { return (IValueParameter<DoubleArray>)Parameters[InitialSigmaName]; }
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92 | }
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93 | private OptionalValueParameter<IntValue> MuParameter {
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94 | get { return (OptionalValueParameter<IntValue>)Parameters[MuName]; }
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95 | }
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96 | public IConstrainedValueParameter<ICMAInitializer> CMAInitializerParameter {
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97 | get { return (IConstrainedValueParameter<ICMAInitializer>)Parameters[CMAInitializerName]; }
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98 | }
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99 | public IConstrainedValueParameter<ICMAManipulator> CMAMutatorParameter {
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100 | get { return (IConstrainedValueParameter<ICMAManipulator>)Parameters[CMAMutatorName]; }
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101 | }
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102 | public IConstrainedValueParameter<ICMARecombinator> CMARecombinatorParameter {
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103 | get { return (IConstrainedValueParameter<ICMARecombinator>)Parameters[CMARecombinatorName]; }
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104 | }
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105 | public IConstrainedValueParameter<ICMAUpdater> CMAUpdaterParameter {
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106 | get { return (IConstrainedValueParameter<ICMAUpdater>)Parameters[CMAUpdaterName]; }
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107 | }
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108 | private IFixedValueParameter<IntValue> MaximumGenerationsParameter {
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109 | get { return (IFixedValueParameter<IntValue>)Parameters[MaximumGenerationsName]; }
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110 | }
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111 | private IFixedValueParameter<IntValue> MaximumEvaluatedSolutionsParameter {
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112 | get { return (IFixedValueParameter<IntValue>)Parameters[MaximumEvaluatedSolutionsName]; }
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113 | }
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114 | private IFixedValueParameter<DoubleValue> TargetQualityParameter {
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115 | get { return (IFixedValueParameter<DoubleValue>)Parameters[TargetQualityName]; }
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116 | }
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117 | private IFixedValueParameter<DoubleValue> MinimumQualityChangeParameter {
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118 | get { return (IFixedValueParameter<DoubleValue>)Parameters[MinimumQualityChangeName]; }
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119 | }
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120 | private IFixedValueParameter<DoubleValue> MinimumQualityHistoryChangeParameter {
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121 | get { return (IFixedValueParameter<DoubleValue>)Parameters[MinimumQualityHistoryChangeName]; }
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122 | }
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123 | private IFixedValueParameter<DoubleValue> MinimumStandardDeviationParameter {
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124 | get { return (IFixedValueParameter<DoubleValue>)Parameters[MinimumStandardDeviationName]; }
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125 | }
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126 | private IFixedValueParameter<DoubleValue> MaximumStandardDeviationChangeParameter {
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127 | get { return (IFixedValueParameter<DoubleValue>)Parameters[MaximumStandardDeviationChangeName]; }
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128 | }
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129 | #endregion
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130 |
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131 | #region Properties
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132 | public int Seed {
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133 | get { return SeedParameter.Value.Value; }
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134 | set { SeedParameter.Value.Value = value; }
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135 | }
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136 | public bool SetSeedRandomly {
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137 | get { return SetSeedRandomlyParameter.Value.Value; }
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138 | set { SetSeedRandomlyParameter.Value.Value = value; }
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139 | }
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140 | public int PopulationSize {
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141 | get { return PopulationSizeParameter.Value.Value; }
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142 | set { PopulationSizeParameter.Value.Value = value; }
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143 | }
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144 | public int InitialIterations {
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145 | get { return InitialIterationsParameter.Value.Value; }
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146 | set { InitialIterationsParameter.Value.Value = value; }
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147 | }
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148 | public int MaximumGenerations {
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149 | get { return MaximumGenerationsParameter.Value.Value; }
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150 | set { MaximumGenerationsParameter.Value.Value = value; }
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151 | }
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152 | public int MaximumEvaluatedSolutions {
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153 | get { return MaximumEvaluatedSolutionsParameter.Value.Value; }
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154 | set { MaximumEvaluatedSolutionsParameter.Value.Value = value; }
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155 | }
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156 | public double TargetQuality {
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157 | get { return TargetQualityParameter.Value.Value; }
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158 | set { TargetQualityParameter.Value.Value = value; }
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159 | }
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160 | public double MinimumQualityChange {
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161 | get { return MinimumQualityChangeParameter.Value.Value; }
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162 | set { MinimumQualityChangeParameter.Value.Value = value; }
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163 | }
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164 | public double MinimumQualityHistoryChange {
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165 | get { return MinimumQualityHistoryChangeParameter.Value.Value; }
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166 | set { MinimumQualityHistoryChangeParameter.Value.Value = value; }
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167 | }
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168 | public double MinimumStandardDeviation {
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169 | get { return MinimumStandardDeviationParameter.Value.Value; }
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170 | set { MinimumStandardDeviationParameter.Value.Value = value; }
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171 | }
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172 | public double MaximumStandardDeviationChange {
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173 | get { return MaximumStandardDeviationChangeParameter.Value.Value; }
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174 | set { MaximumStandardDeviationChangeParameter.Value.Value = value; }
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175 | }
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176 | public DoubleArray InitialSigma {
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177 | get { return InitialSigmaParameter.Value; }
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178 | set { InitialSigmaParameter.Value = value; }
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179 | }
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180 | public IntValue Mu {
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181 | get { return MuParameter.Value; }
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182 | set { MuParameter.Value = value; }
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183 | }
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184 | public ICMAInitializer CMAInitializer {
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185 | get { return CMAInitializerParameter.Value; }
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186 | set { CMAInitializerParameter.Value = value; }
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187 | }
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188 | public ICMAManipulator CMAMutator {
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189 | get { return CMAMutatorParameter.Value; }
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190 | set { CMAMutatorParameter.Value = value; }
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191 | }
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192 | public ICMARecombinator CMARecombinator {
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193 | get { return CMARecombinatorParameter.Value; }
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194 | set { CMARecombinatorParameter.Value = value; }
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195 | }
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196 | public MultiAnalyzer Analyzer {
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197 | get { return AnalyzerParameter.Value; }
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198 | set { AnalyzerParameter.Value = value; }
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199 | }
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200 | public ICMAUpdater CMAUpdater {
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201 | get { return CMAUpdaterParameter.Value; }
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202 | set { CMAUpdaterParameter.Value = value; }
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203 | }
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204 |
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205 | private RandomCreator RandomCreator {
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206 | get { return (RandomCreator)OperatorGraph.InitialOperator; }
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207 | }
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208 |
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209 | [Storable]
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210 | private BestAverageWorstQualityAnalyzer qualityAnalyzer;
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211 | [Storable]
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212 | private CMAAnalyzer cmaAnalyzer;
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213 | [Storable]
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214 | private Placeholder solutionCreator;
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215 | [Storable]
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216 | private Placeholder populationSolutionCreator;
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217 | [Storable]
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218 | private Placeholder evaluator;
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219 | [Storable]
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220 | private SubScopesSorter sorter;
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221 | [Storable]
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222 | private Terminator terminator;
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223 | #endregion
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224 |
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225 | [StorableConstructor]
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226 | private CMAEvolutionStrategy(bool deserializing) : base(deserializing) { }
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227 | private CMAEvolutionStrategy(CMAEvolutionStrategy original, Cloner cloner)
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228 | : base(original, cloner) {
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229 | qualityAnalyzer = cloner.Clone(original.qualityAnalyzer);
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230 | cmaAnalyzer = cloner.Clone(original.cmaAnalyzer);
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231 | solutionCreator = cloner.Clone(original.solutionCreator);
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232 | populationSolutionCreator = cloner.Clone(original.populationSolutionCreator);
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233 | evaluator = cloner.Clone(original.evaluator);
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234 | sorter = cloner.Clone(original.sorter);
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235 | terminator = cloner.Clone(original.terminator);
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236 | RegisterEventHandlers();
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237 | }
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238 | public CMAEvolutionStrategy()
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239 | : base() {
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240 | Parameters.Add(new FixedValueParameter<IntValue>(SeedName, "The random seed used to initialize the new pseudo random number generator.", new IntValue(0)));
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241 | Parameters.Add(new FixedValueParameter<BoolValue>(SetSeedRandomlyName, "True if the random seed should be set to a random value, otherwise false.", new BoolValue(true)));
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242 | Parameters.Add(new FixedValueParameter<IntValue>(PopulationSizeName, "λ (lambda) - the size of the offspring population.", new IntValue(20)));
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243 | Parameters.Add(new FixedValueParameter<IntValue>(InitialIterationsName, "The number of iterations that should be performed with only axis parallel mutation.", new IntValue(0)));
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244 | Parameters.Add(new FixedValueParameter<DoubleArray>(InitialSigmaName, "The initial sigma can be a single value or a value for each dimension. All values need to be > 0.", new DoubleArray(new[] { 0.5 })));
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245 | Parameters.Add(new OptionalValueParameter<IntValue>(MuName, "Optional, the mu best offspring that should be considered for update of the new mean and strategy parameters. If not given it will be automatically calculated."));
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246 | Parameters.Add(new ConstrainedValueParameter<ICMARecombinator>(CMARecombinatorName, "The operator used to calculate the new mean."));
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247 | Parameters.Add(new ConstrainedValueParameter<ICMAManipulator>(CMAMutatorName, "The operator used to manipulate a point."));
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248 | Parameters.Add(new ConstrainedValueParameter<ICMAInitializer>(CMAInitializerName, "The operator that initializes the covariance matrix and strategy parameters."));
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249 | Parameters.Add(new ConstrainedValueParameter<ICMAUpdater>(CMAUpdaterName, "The operator that updates the covariance matrix and strategy parameters."));
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250 | Parameters.Add(new ValueParameter<MultiAnalyzer>(AnalyzerName, "The operator used to analyze each generation.", new MultiAnalyzer()));
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251 | Parameters.Add(new FixedValueParameter<IntValue>(MaximumGenerationsName, "The maximum number of generations which should be processed.", new IntValue(1000)));
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252 | Parameters.Add(new FixedValueParameter<IntValue>(MaximumEvaluatedSolutionsName, "The maximum number of evaluated solutions that should be computed.", new IntValue(int.MaxValue)));
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253 | Parameters.Add(new FixedValueParameter<DoubleValue>(TargetQualityName, "(stopFitness) Surpassing this quality value terminates the algorithm.", new DoubleValue(double.NaN)));
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254 | Parameters.Add(new FixedValueParameter<DoubleValue>(MinimumQualityChangeName, "(stopTolFun) If the range of fitness values is less than a certain value the algorithm terminates (set to 0 or positive value to enable).", new DoubleValue(double.NaN)));
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255 | Parameters.Add(new FixedValueParameter<DoubleValue>(MinimumQualityHistoryChangeName, "(stopTolFunHist) If the range of fitness values is less than a certain value for a certain time the algorithm terminates (set to 0 or positive to enable).", new DoubleValue(double.NaN)));
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256 | Parameters.Add(new FixedValueParameter<DoubleValue>(MinimumStandardDeviationName, "(stopTolXFactor) If the standard deviation falls below a certain value the algorithm terminates (set to 0 or positive to enable).", new DoubleValue(double.NaN)));
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257 | Parameters.Add(new FixedValueParameter<DoubleValue>(MaximumStandardDeviationChangeName, "(stopTolUpXFactor) If the standard deviation changes by a value larger than this parameter the algorithm stops (set to a value > 0 to enable).", new DoubleValue(double.NaN)));
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258 |
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259 | var randomCreator = new RandomCreator();
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260 | var variableCreator = new VariableCreator();
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261 | var resultsCollector = new ResultsCollector();
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262 | var cmaInitializer = new Placeholder();
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263 | solutionCreator = new Placeholder();
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264 | var subScopesCreator = new SubScopesCreator();
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265 | var ussp1 = new UniformSubScopesProcessor();
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266 | populationSolutionCreator = new Placeholder();
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267 | var cmaMutator = new Placeholder();
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268 | var ussp2 = new UniformSubScopesProcessor();
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269 | evaluator = new Placeholder();
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270 | var subScopesCounter = new SubScopesCounter();
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271 | sorter = new SubScopesSorter();
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272 | var analyzer = new Placeholder();
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273 | var cmaRecombinator = new Placeholder();
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274 | var generationsCounter = new IntCounter();
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275 | var cmaUpdater = new Placeholder();
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276 | terminator = new Terminator();
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277 |
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278 | OperatorGraph.InitialOperator = randomCreator;
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279 |
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280 | randomCreator.RandomParameter.ActualName = "Random";
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281 | randomCreator.SeedParameter.ActualName = SeedParameter.Name;
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282 | randomCreator.SeedParameter.Value = null;
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283 | randomCreator.SetSeedRandomlyParameter.ActualName = SetSeedRandomlyParameter.Name;
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284 | randomCreator.SetSeedRandomlyParameter.Value = null;
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285 | randomCreator.Successor = variableCreator;
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286 |
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287 | variableCreator.Name = "Initialize Variables";
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288 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("EvaluatedSolutions", new IntValue(0)));
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289 | variableCreator.CollectedValues.Add(new ValueParameter<IntValue>("Generations", new IntValue(0)));
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290 | variableCreator.Successor = resultsCollector;
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291 |
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292 | resultsCollector.CollectedValues.Add(new LookupParameter<IntValue>("EvaluatedSolutions"));
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293 | resultsCollector.CollectedValues.Add(new LookupParameter<IntValue>("Generations"));
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294 | resultsCollector.ResultsParameter.ActualName = "Results";
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295 | resultsCollector.Successor = cmaInitializer;
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296 |
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297 | cmaInitializer.Name = "Initialize Strategy Parameters";
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298 | cmaInitializer.OperatorParameter.ActualName = CMAInitializerParameter.Name;
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299 | cmaInitializer.Successor = subScopesCreator;
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300 |
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301 | subScopesCreator.NumberOfSubScopesParameter.ActualName = PopulationSizeParameter.Name;
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302 | subScopesCreator.Successor = ussp1;
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303 |
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304 | ussp1.Name = "Create population";
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305 | ussp1.Parallel = new BoolValue(false);
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306 | ussp1.Operator = populationSolutionCreator;
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307 | ussp1.Successor = solutionCreator;
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308 |
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309 | populationSolutionCreator.Name = "Initialize arx";
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310 | // populationSolutionCreator.OperatorParameter will be wired
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311 | populationSolutionCreator.Successor = null;
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312 |
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313 | solutionCreator.Name = "Initialize xmean";
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314 | // solutionCreator.OperatorParameter will be wired
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315 | solutionCreator.Successor = cmaMutator;
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316 |
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317 | cmaMutator.Name = "Sample population";
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318 | cmaMutator.OperatorParameter.ActualName = CMAMutatorParameter.Name;
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319 | cmaMutator.Successor = ussp2;
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320 |
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321 | ussp2.Name = "Evaluate offspring";
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322 | ussp2.Parallel = new BoolValue(true);
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323 | ussp2.Operator = evaluator;
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324 | ussp2.Successor = subScopesCounter;
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325 |
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326 | evaluator.Name = "Evaluator";
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327 | // evaluator.OperatorParameter will be wired
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328 | evaluator.Successor = null;
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329 |
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330 | subScopesCounter.Name = "Count EvaluatedSolutions";
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331 | subScopesCounter.AccumulateParameter.Value = new BoolValue(true);
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332 | subScopesCounter.ValueParameter.ActualName = "EvaluatedSolutions";
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333 | subScopesCounter.Successor = sorter;
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334 |
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335 | // sorter.ValueParameter will be wired
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336 | // sorter.DescendingParameter will be wired
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337 | sorter.Successor = analyzer;
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338 |
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339 | analyzer.Name = "Analyzer";
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340 | analyzer.OperatorParameter.ActualName = AnalyzerParameter.Name;
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341 | analyzer.Successor = cmaRecombinator;
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342 |
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343 | cmaRecombinator.Name = "Create new xmean";
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344 | cmaRecombinator.OperatorParameter.ActualName = CMARecombinatorParameter.Name;
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345 | cmaRecombinator.Successor = generationsCounter;
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346 |
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347 | generationsCounter.Name = "Generations++";
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348 | generationsCounter.IncrementParameter.Value = new IntValue(1);
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349 | generationsCounter.ValueParameter.ActualName = "Generations";
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350 | generationsCounter.Successor = cmaUpdater;
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351 |
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352 | cmaUpdater.Name = "Update distributions";
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353 | cmaUpdater.OperatorParameter.ActualName = CMAUpdaterParameter.Name;
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354 | cmaUpdater.Successor = terminator;
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355 |
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356 | terminator.Continue = cmaMutator;
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357 | terminator.Terminate = null;
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358 |
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359 | qualityAnalyzer = new BestAverageWorstQualityAnalyzer();
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360 | cmaAnalyzer = new CMAAnalyzer();
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361 |
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362 | InitializeOperators();
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363 | RegisterEventHandlers();
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364 | Parameterize();
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365 | }
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366 |
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367 | public override IDeepCloneable Clone(Cloner cloner) {
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368 | return new CMAEvolutionStrategy(this, cloner);
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369 | }
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370 |
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371 | [StorableHook(HookType.AfterDeserialization)]
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372 | private void AfterDeserialization() {
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373 | RegisterEventHandlers();
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374 | }
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375 |
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376 | public override void Prepare() {
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377 | if (Problem != null) base.Prepare();
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378 | }
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379 |
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380 | protected override void OnStarted() {
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381 | if (!(Problem.SolutionCreator is IRealVectorCreator))
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382 | throw new InvalidOperationException("Problems that do not use RealVectorEncoding cannot be solved by CMA-ES.");
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383 | base.OnStarted();
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384 | }
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385 |
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386 | #region Events
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387 | protected override void OnProblemChanged() {
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388 | Problem.Evaluator.QualityParameter.ActualNameChanged += Evaluator_QualityParameter_ActualNameChanged;
|
---|
389 | var creator = Problem.SolutionCreator as IRealVectorCreator;
|
---|
390 | if (creator != null) {
|
---|
391 | creator.RealVectorParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
392 | creator.LengthParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
393 | creator.LengthParameter.ValueChanged += RealVectorCreator_Changed;
|
---|
394 | creator.BoundsParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
395 | creator.BoundsParameter.ValueChanged += RealVectorCreator_Changed;
|
---|
396 | }
|
---|
397 | UpdateOperators();
|
---|
398 | UpdateAnalyzers();
|
---|
399 | Parameterize();
|
---|
400 | base.OnProblemChanged();
|
---|
401 | }
|
---|
402 | protected override void Problem_SolutionCreatorChanged(object sender, EventArgs e) {
|
---|
403 | var creator = Problem.SolutionCreator as IRealVectorCreator;
|
---|
404 | if (creator != null) {
|
---|
405 | creator.RealVectorParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
406 | creator.LengthParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
407 | creator.LengthParameter.ValueChanged += RealVectorCreator_Changed;
|
---|
408 | creator.BoundsParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
409 | creator.BoundsParameter.ValueChanged += RealVectorCreator_Changed;
|
---|
410 | }
|
---|
411 | Parameterize();
|
---|
412 | base.Problem_SolutionCreatorChanged(sender, e);
|
---|
413 | }
|
---|
414 | protected override void Problem_EvaluatorChanged(object sender, EventArgs e) {
|
---|
415 | Problem.Evaluator.QualityParameter.ActualNameChanged += Evaluator_QualityParameter_ActualNameChanged;
|
---|
416 | Parameterize();
|
---|
417 | base.Problem_EvaluatorChanged(sender, e);
|
---|
418 | }
|
---|
419 | protected override void Problem_OperatorsChanged(object sender, EventArgs e) {
|
---|
420 | UpdateOperators();
|
---|
421 | UpdateAnalyzers();
|
---|
422 | Parameterize();
|
---|
423 | base.Problem_OperatorsChanged(sender, e);
|
---|
424 | }
|
---|
425 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
|
---|
426 | Parameterize();
|
---|
427 | }
|
---|
428 | private bool cmaesInitializerSync;
|
---|
429 | private void CMAESInitializerParameter_ValueChanged(object sender, EventArgs e) {
|
---|
430 | if (cmaesInitializerSync) return;
|
---|
431 | UpdateOperators();
|
---|
432 | Parameterize();
|
---|
433 | }
|
---|
434 | private void RealVectorCreator_Changed(object sender, EventArgs e) {
|
---|
435 | Parameterize();
|
---|
436 | }
|
---|
437 | #endregion
|
---|
438 |
|
---|
439 | #region Helpers
|
---|
440 | private void RegisterEventHandlers() {
|
---|
441 | CMAInitializerParameter.ValueChanged += CMAESInitializerParameter_ValueChanged;
|
---|
442 | if (Problem != null) {
|
---|
443 | Problem.Evaluator.QualityParameter.ActualNameChanged += Evaluator_QualityParameter_ActualNameChanged;
|
---|
444 | var creator = Problem.SolutionCreator as IRealVectorCreator;
|
---|
445 | if (creator != null) {
|
---|
446 | creator.RealVectorParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
447 | creator.LengthParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
448 | creator.LengthParameter.ValueChanged += RealVectorCreator_Changed;
|
---|
449 | creator.BoundsParameter.ActualNameChanged += RealVectorCreator_Changed;
|
---|
450 | creator.BoundsParameter.ValueChanged += RealVectorCreator_Changed;
|
---|
451 | }
|
---|
452 | }
|
---|
453 | }
|
---|
454 | private void InitializeOperators() {
|
---|
455 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMAInitializer>())
|
---|
456 | CMAInitializerParameter.ValidValues.Add(op);
|
---|
457 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMAManipulator>().Where(x => x.CMAType == CMAInitializer.CMAType))
|
---|
458 | CMAMutatorParameter.ValidValues.Add(op);
|
---|
459 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMARecombinator>().Where(x => x.CMAType == CMAInitializer.CMAType))
|
---|
460 | CMARecombinatorParameter.ValidValues.Add(op);
|
---|
461 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMAUpdater>().Where(x => x.CMAType == CMAInitializer.CMAType))
|
---|
462 | CMAUpdaterParameter.ValidValues.Add(op);
|
---|
463 | }
|
---|
464 | private void UpdateOperators() {
|
---|
465 | cmaesInitializerSync = true;
|
---|
466 | try {
|
---|
467 | var oldMutator = CMAMutator;
|
---|
468 | var oldRecombinator = CMARecombinator;
|
---|
469 | var oldUpdater = CMAUpdater;
|
---|
470 |
|
---|
471 | if (CMAInitializer != null && (oldMutator == null || oldMutator.CMAType != CMAInitializer.CMAType)) {
|
---|
472 | CMAMutatorParameter.ValidValues.Clear();
|
---|
473 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMAManipulator>().Where(x => x.CMAType == CMAInitializer.CMAType))
|
---|
474 | CMAMutatorParameter.ValidValues.Add(op);
|
---|
475 | CMAMutator = CMAMutatorParameter.ValidValues.First();
|
---|
476 | }
|
---|
477 |
|
---|
478 | if (CMAInitializer != null && (oldRecombinator == null || oldRecombinator.CMAType != CMAInitializer.CMAType)) {
|
---|
479 | CMARecombinatorParameter.ValidValues.Clear();
|
---|
480 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMARecombinator>().Where(x => x.CMAType == CMAInitializer.CMAType))
|
---|
481 | CMARecombinatorParameter.ValidValues.Add(op);
|
---|
482 | CMARecombinator = CMARecombinatorParameter.ValidValues.First();
|
---|
483 | }
|
---|
484 |
|
---|
485 | if (CMAInitializer != null && (oldUpdater == null || oldUpdater.CMAType != CMAInitializer.CMAType)) {
|
---|
486 | CMAUpdaterParameter.ValidValues.Clear();
|
---|
487 | foreach (var op in ApplicationManager.Manager.GetInstances<ICMAUpdater>().Where(x => x.CMAType == CMAInitializer.CMAType))
|
---|
488 | CMAUpdaterParameter.ValidValues.Add(op);
|
---|
489 | CMAUpdater = CMAUpdaterParameter.ValidValues.First();
|
---|
490 | }
|
---|
491 | }
|
---|
492 | finally { cmaesInitializerSync = false; }
|
---|
493 | }
|
---|
494 | private void UpdateAnalyzers() {
|
---|
495 | Analyzer.Operators.Clear();
|
---|
496 | if (Problem != null) {
|
---|
497 | foreach (var analyzer in Problem.Operators.OfType<IAnalyzer>()) {
|
---|
498 | foreach (var param in analyzer.Parameters.OfType<IScopeTreeLookupParameter>())
|
---|
499 | param.Depth = 1;
|
---|
500 | Analyzer.Operators.Add(analyzer, analyzer.EnabledByDefault);
|
---|
501 | }
|
---|
502 | }
|
---|
503 | Analyzer.Operators.Add(qualityAnalyzer, qualityAnalyzer.EnabledByDefault);
|
---|
504 | Analyzer.Operators.Add(cmaAnalyzer, cmaAnalyzer.EnabledByDefault);
|
---|
505 | }
|
---|
506 | private void Parameterize() {
|
---|
507 |
|
---|
508 | foreach (var op in CMAInitializerParameter.ValidValues) {
|
---|
509 | op.PopulationSizeParameter.ActualName = PopulationSizeParameter.Name;
|
---|
510 | op.PopulationSizeParameter.Hidden = true;
|
---|
511 | op.MuParameter.ActualName = MuParameter.Name;
|
---|
512 | op.MuParameter.Hidden = true;
|
---|
513 | op.InitialIterationsParameter.Value = null;
|
---|
514 | op.InitialIterationsParameter.ActualName = InitialIterationsParameter.Name;
|
---|
515 | op.InitialIterationsParameter.Hidden = true;
|
---|
516 | op.InitialSigmaParameter.Value = null;
|
---|
517 | op.InitialSigmaParameter.ActualName = InitialSigmaParameter.Name;
|
---|
518 | op.InitialSigmaParameter.Hidden = true;
|
---|
519 |
|
---|
520 | op.DimensionParameter.Hidden = false;
|
---|
521 |
|
---|
522 | ParameterizeStochasticOperator(op);
|
---|
523 | ParameterizeIterationBasedOperator(op);
|
---|
524 | }
|
---|
525 |
|
---|
526 | foreach (var op in CMAMutatorParameter.ValidValues) {
|
---|
527 | op.PopulationSizeParameter.ActualName = PopulationSizeParameter.Name;
|
---|
528 | op.PopulationSizeParameter.Hidden = true;
|
---|
529 |
|
---|
530 | op.MeanParameter.Hidden = false;
|
---|
531 | op.BoundsParameter.Hidden = false;
|
---|
532 | op.RealVectorParameter.Hidden = false;
|
---|
533 |
|
---|
534 | ParameterizeStochasticOperator(op);
|
---|
535 | ParameterizeIterationBasedOperator(op);
|
---|
536 | }
|
---|
537 |
|
---|
538 | foreach (var op in CMARecombinatorParameter.ValidValues) {
|
---|
539 | op.OldMeanParameter.ActualName = "XOld";
|
---|
540 | op.OldMeanParameter.Hidden = true;
|
---|
541 |
|
---|
542 | op.OffspringParameter.Hidden = false;
|
---|
543 | op.MeanParameter.Hidden = false;
|
---|
544 |
|
---|
545 | ParameterizeStochasticOperator(op);
|
---|
546 | ParameterizeIterationBasedOperator(op);
|
---|
547 | }
|
---|
548 |
|
---|
549 | foreach (var op in CMAUpdaterParameter.ValidValues) {
|
---|
550 | op.MaximumEvaluatedSolutionsParameter.ActualName = MaximumEvaluatedSolutionsParameter.Name;
|
---|
551 | op.MaximumEvaluatedSolutionsParameter.Hidden = true;
|
---|
552 | op.OldMeanParameter.ActualName = "XOld";
|
---|
553 | op.OldMeanParameter.Hidden = true;
|
---|
554 |
|
---|
555 | op.MeanParameter.Hidden = false;
|
---|
556 | op.OffspringParameter.Hidden = false;
|
---|
557 | op.QualityParameter.Hidden = false;
|
---|
558 |
|
---|
559 | ParameterizeStochasticOperator(op);
|
---|
560 | ParameterizeIterationBasedOperator(op);
|
---|
561 | }
|
---|
562 |
|
---|
563 | terminator.IterationsParameter.ActualName = "Generations";
|
---|
564 | terminator.MaximumIterationsParameter.ActualName = MaximumGenerationsParameter.Name;
|
---|
565 | terminator.EvaluatedSolutionsParameter.ActualName = "EvaluatedSolutions";
|
---|
566 | terminator.InitialSigmaParameter.ActualName = InitialSigmaParameter.Name;
|
---|
567 | terminator.MaximumEvaluatedSolutionsParameter.ActualName = MaximumEvaluatedSolutionsParameter.Name;
|
---|
568 | terminator.MaximumStandardDeviationChangeParameter.ActualName = MaximumStandardDeviationChangeParameter.Name;
|
---|
569 | terminator.MinimumQualityChangeParameter.ActualName = MinimumQualityChangeParameter.Name;
|
---|
570 | terminator.MinimumQualityHistoryChangeParameter.ActualName = MinimumQualityHistoryChangeParameter.Name;
|
---|
571 | terminator.MinimumStandardDeviationParameter.ActualName = MinimumStandardDeviationParameter.Name;
|
---|
572 | terminator.TargetQualityParameter.ActualName = TargetQualityParameter.Name;
|
---|
573 | if (CMAUpdater != null)
|
---|
574 | terminator.DegenerateStateParameter.ActualName = CMAUpdater.DegenerateStateParameter.ActualName;
|
---|
575 |
|
---|
576 | var creator = Problem != null ? (Problem.SolutionCreator as IRealVectorCreator) : null;
|
---|
577 | if (Problem != null && creator != null) {
|
---|
578 |
|
---|
579 | solutionCreator.OperatorParameter.ActualName = Problem.SolutionCreatorParameter.Name;
|
---|
580 | #region Backwards compatible code, remove with 3.4
|
---|
581 | if (populationSolutionCreator != null) // BackwardsCompatibility3.3
|
---|
582 | // ONLY REMOVE THE CONDITION
|
---|
583 | populationSolutionCreator.OperatorParameter.ActualName = Problem.SolutionCreatorParameter.Name;
|
---|
584 | #endregion
|
---|
585 | evaluator.OperatorParameter.ActualName = Problem.EvaluatorParameter.Name;
|
---|
586 | sorter.DescendingParameter.ActualName = Problem.MaximizationParameter.Name;
|
---|
587 | sorter.ValueParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
588 | terminator.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
|
---|
589 | terminator.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.Name;
|
---|
590 |
|
---|
591 | foreach (var op in CMAInitializerParameter.ValidValues) {
|
---|
592 | if (creator.LengthParameter.Value == null) {
|
---|
593 | op.DimensionParameter.ActualName = creator.LengthParameter.ActualName;
|
---|
594 | op.DimensionParameter.Value = null;
|
---|
595 | } else op.DimensionParameter.Value = creator.LengthParameter.Value;
|
---|
596 | op.DimensionParameter.Hidden = true;
|
---|
597 | }
|
---|
598 |
|
---|
599 | foreach (var op in CMAMutatorParameter.ValidValues) {
|
---|
600 | op.MeanParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
601 | op.MeanParameter.Hidden = true;
|
---|
602 | if (creator.BoundsParameter.Value == null) {
|
---|
603 | op.BoundsParameter.ActualName = creator.BoundsParameter.ActualName;
|
---|
604 | op.BoundsParameter.Value = null;
|
---|
605 | } else op.BoundsParameter.Value = creator.BoundsParameter.Value;
|
---|
606 | op.BoundsParameter.Hidden = true;
|
---|
607 | op.RealVectorParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
608 | op.RealVectorParameter.Depth = 1;
|
---|
609 | op.RealVectorParameter.Hidden = true;
|
---|
610 | }
|
---|
611 |
|
---|
612 | foreach (var op in CMARecombinatorParameter.ValidValues) {
|
---|
613 | op.MeanParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
614 | op.MeanParameter.Hidden = true;
|
---|
615 | op.OffspringParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
616 | op.OffspringParameter.Depth = 1;
|
---|
617 | op.OffspringParameter.Hidden = true;
|
---|
618 | }
|
---|
619 |
|
---|
620 | foreach (var op in CMAUpdaterParameter.ValidValues) {
|
---|
621 | op.MeanParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
622 | op.MeanParameter.Hidden = true;
|
---|
623 | op.OffspringParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
624 | op.OffspringParameter.Depth = 1;
|
---|
625 | op.OffspringParameter.Hidden = true;
|
---|
626 | op.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
627 | op.QualityParameter.Hidden = true;
|
---|
628 | }
|
---|
629 |
|
---|
630 | foreach (var op in Problem.Operators.OfType<IStochasticOperator>()) {
|
---|
631 | op.RandomParameter.ActualName = RandomCreator.RandomParameter.ActualName;
|
---|
632 | op.RandomParameter.Hidden = true;
|
---|
633 | }
|
---|
634 |
|
---|
635 | qualityAnalyzer.MaximizationParameter.ActualName = Problem.MaximizationParameter.Name;
|
---|
636 | qualityAnalyzer.MaximizationParameter.Hidden = true;
|
---|
637 | qualityAnalyzer.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
638 | qualityAnalyzer.QualityParameter.Depth = 1;
|
---|
639 | qualityAnalyzer.QualityParameter.Hidden = true;
|
---|
640 | qualityAnalyzer.BestKnownQualityParameter.ActualName = Problem.BestKnownQualityParameter.Name;
|
---|
641 | qualityAnalyzer.BestKnownQualityParameter.Hidden = true;
|
---|
642 |
|
---|
643 | cmaAnalyzer.QualityParameter.ActualName = Problem.Evaluator.QualityParameter.ActualName;
|
---|
644 | cmaAnalyzer.QualityParameter.Depth = 1;
|
---|
645 | cmaAnalyzer.QualityParameter.Hidden = true;
|
---|
646 | cmaAnalyzer.MeanParameter.ActualName = creator.RealVectorParameter.ActualName;
|
---|
647 | cmaAnalyzer.MeanParameter.Hidden = true;
|
---|
648 |
|
---|
649 | foreach (var op in Problem.Operators.OfType<IIterationBasedOperator>()) {
|
---|
650 | op.IterationsParameter.ActualName = "Generations";
|
---|
651 | op.IterationsParameter.Hidden = true;
|
---|
652 | op.MaximumIterationsParameter.ActualName = MaximumGenerationsParameter.Name;
|
---|
653 | op.MaximumIterationsParameter.Hidden = true;
|
---|
654 | }
|
---|
655 | } else {
|
---|
656 | qualityAnalyzer.MaximizationParameter.Hidden = false;
|
---|
657 | qualityAnalyzer.QualityParameter.Hidden = false;
|
---|
658 | qualityAnalyzer.BestKnownQualityParameter.Hidden = false;
|
---|
659 |
|
---|
660 | cmaAnalyzer.MeanParameter.Hidden = false;
|
---|
661 | }
|
---|
662 |
|
---|
663 | qualityAnalyzer.ResultsParameter.ActualName = "Results";
|
---|
664 | qualityAnalyzer.ResultsParameter.Hidden = true;
|
---|
665 | cmaAnalyzer.ResultsParameter.ActualName = "Results";
|
---|
666 | cmaAnalyzer.ResultsParameter.Hidden = true;
|
---|
667 | }
|
---|
668 |
|
---|
669 | private void ParameterizeStochasticOperator(IOperator op) {
|
---|
670 | var sOp = op as IStochasticOperator;
|
---|
671 | if (sOp != null) sOp.RandomParameter.ActualName = RandomCreator.RandomParameter.ActualName;
|
---|
672 | }
|
---|
673 |
|
---|
674 | private void ParameterizeIterationBasedOperator(IOperator op) {
|
---|
675 | var iOp = op as IIterationBasedOperator;
|
---|
676 | if (iOp != null) {
|
---|
677 | iOp.IterationsParameter.ActualName = "Generations";
|
---|
678 | iOp.MaximumIterationsParameter.ActualName = MaximumGenerationsParameter.Name;
|
---|
679 | }
|
---|
680 | }
|
---|
681 | #endregion
|
---|
682 | }
|
---|
683 | }
|
---|