[3742] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 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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[5034] | 22 | using HeuristicLab.Common;
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[4068] | 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Encodings.RealVectorEncoding;
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[3682] | 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Parameters;
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[5033] | 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[3682] | 29 |
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| 30 | namespace HeuristicLab.Algorithms.ParticleSwarmOptimization {
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[5435] | 31 | [Item("ParticleUpdater", "Updates a certain particle taking the current position and velocity into account, as well as the best point and the best point in a local neighborhood.")]
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[5034] | 32 | [StorableClass]
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[5209] | 33 | public abstract class ParticleUpdater : SingleSuccessorOperator, IParticleUpdater {
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[5435] | 34 | public override bool CanChangeName {
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| 35 | get { return false; }
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| 36 | }
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[5033] | 37 |
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[3682] | 38 | #region Parameter properties
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[5410] | 39 | public ILookupParameter<IRandom> RandomParameter {
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| 40 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
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[3682] | 41 | }
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[5410] | 42 | public ILookupParameter<RealVector> PointParameter {
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| 43 | get { return (ILookupParameter<RealVector>)Parameters["Point"]; }
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[3682] | 44 | }
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[5410] | 45 | public ILookupParameter<RealVector> VelocityParameter {
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| 46 | get { return (ILookupParameter<RealVector>)Parameters["Velocity"]; }
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[3682] | 47 | }
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[5410] | 48 | public ILookupParameter<RealVector> PersonalBestPointParameter {
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| 49 | get { return (ILookupParameter<RealVector>)Parameters["PersonalBestPoint"]; }
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[3682] | 50 | }
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[5410] | 51 | public ILookupParameter<RealVector> BestNeighborPointParameter {
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| 52 | get { return (ILookupParameter<RealVector>)Parameters["BestNeighborPoint"]; }
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[5209] | 53 | }
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[5410] | 54 | public ILookupParameter<RealVector> BestPointParameter {
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| 55 | get { return (ILookupParameter<RealVector>)Parameters["BestPoint"]; }
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[3682] | 56 | }
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[5410] | 57 | public ILookupParameter<DoubleMatrix> BoundsParameter {
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| 58 | get { return (ILookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
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[5033] | 59 | }
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[5410] | 60 | public ILookupParameter<DoubleMatrix> VelocityBoundsParameter {
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| 61 | get { return (ILookupParameter<DoubleMatrix>)Parameters["VelocityBounds"]; }
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[5033] | 62 | }
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[5410] | 63 | public ILookupParameter<DoubleValue> OmegaParameter {
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| 64 | get { return (ILookupParameter<DoubleValue>)Parameters["Omega"]; }
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[5033] | 65 | }
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[5410] | 66 | public ILookupParameter<DoubleValue> Phi_PParameter {
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| 67 | get { return (ILookupParameter<DoubleValue>)Parameters["Phi_P"]; }
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[5033] | 68 | }
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[5410] | 69 | public ILookupParameter<DoubleValue> Phi_GParameter {
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| 70 | get { return (ILookupParameter<DoubleValue>)Parameters["Phi_G"]; }
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[5033] | 71 | }
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| 72 | #endregion
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[3719] | 73 |
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[5033] | 74 | #region Parameter Values
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[5435] | 75 | protected IRandom Random {
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[5033] | 76 | get { return RandomParameter.ActualValue; }
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[3719] | 77 | }
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[5435] | 78 | protected RealVector Point {
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[5034] | 79 | get { return PointParameter.ActualValue; }
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| 80 | set { PointParameter.ActualValue = value; }
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[5033] | 81 | }
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[5435] | 82 | protected RealVector Velocity {
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[5033] | 83 | get { return VelocityParameter.ActualValue; }
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| 84 | set { VelocityParameter.ActualValue = value; }
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| 85 | }
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[5435] | 86 | protected RealVector PersonalBestPoint {
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[5033] | 87 | get { return PersonalBestPointParameter.ActualValue; }
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| 88 | }
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[5435] | 89 | protected RealVector BestPoint {
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[5033] | 90 | get { return BestPointParameter.ActualValue; }
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| 91 | }
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[5435] | 92 | protected RealVector BestNeighborPoint {
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[5209] | 93 | get { return BestNeighborPointParameter.ActualValue; }
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| 94 | }
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[5435] | 95 | protected DoubleMatrix Bounds {
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[5034] | 96 | get { return BoundsParameter.ActualValue; }
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[5033] | 97 | }
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[5435] | 98 | protected DoubleMatrix VelocityBounds {
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[5033] | 99 | get { return VelocityBoundsParameter.ActualValue; }
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| 100 | }
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[5435] | 101 | protected DoubleValue Omega {
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[5410] | 102 | get { return OmegaParameter.ActualValue; }
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[5033] | 103 | }
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[5435] | 104 | protected DoubleValue Phi_P {
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[5410] | 105 | get { return Phi_PParameter.ActualValue; }
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[5033] | 106 | }
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[5435] | 107 | protected DoubleValue Phi_G {
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[5410] | 108 | get { return Phi_GParameter.ActualValue; }
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[5033] | 109 | }
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[3682] | 110 | #endregion
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| 111 |
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[5033] | 112 | #region Construction & Cloning
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| 113 |
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| 114 | [StorableConstructor]
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| 115 | protected ParticleUpdater(bool deserializing) : base(deserializing) { }
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[5435] | 116 | protected ParticleUpdater(ParticleUpdater original, Cloner cloner) : base(original, cloner) { }
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[3682] | 117 | public ParticleUpdater()
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| 118 | : base() {
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[5033] | 119 | Parameters.Add(new LookupParameter<IRandom>("Random", "Random number generator."));
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| 120 | Parameters.Add(new LookupParameter<RealVector>("Point", "Particle's current position"));
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| 121 | Parameters.Add(new LookupParameter<RealVector>("Velocity", "Particle's current velocity."));
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| 122 | Parameters.Add(new LookupParameter<RealVector>("PersonalBestPoint", "Particle's personal best position"));
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| 123 | Parameters.Add(new LookupParameter<RealVector>("BestPoint", "Global best position"));
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[5209] | 124 | Parameters.Add(new LookupParameter<RealVector>("BestNeighborPoint", "Best neighboring position"));
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[5033] | 125 | Parameters.Add(new LookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds for each dimension of the position vector for the current problem."));
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| 126 | Parameters.Add(new LookupParameter<DoubleMatrix>("VelocityBounds", "Upper and lower bounds for the particle's velocity vector."));
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| 127 | Parameters.Add(new LookupParameter<DoubleValue>("Omega", "The weight for the particle's velocity vector."));
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| 128 | Parameters.Add(new LookupParameter<DoubleValue>("Phi_P", "The weight for the particle's personal best position."));
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| 129 | Parameters.Add(new LookupParameter<DoubleValue>("Phi_G", "The weight for the global best position."));
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[3682] | 130 | }
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| 131 |
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[5033] | 132 | #endregion
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[3682] | 133 | }
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| 134 | }
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