| 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 HeuristicLab.Common;
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| 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Operators;
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| 26 | using HeuristicLab.Optimization;
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| 27 | using HeuristicLab.Parameters;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 |
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| 30 | namespace HeuristicLab.Encodings.RealVectorEncoding {
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| 31 |
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| 32 | [Item("Particle Updater (SPSO)", "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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| 33 | [StorableClass]
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| 34 | public abstract class SPSOParticleUpdater : SingleSuccessorOperator, IRealVectorParticleUpdater {
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| 35 |
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| 36 | public override bool CanChangeName {
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| 37 | get { return false; }
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| 38 | }
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| 39 |
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| 40 | #region Parameter properties
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| 41 | public ILookupParameter<IRandom> RandomParameter {
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| 42 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
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| 43 | }
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| 44 | public ILookupParameter<RealVector> VelocityParameter {
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| 45 | get { return (ILookupParameter<RealVector>)Parameters["Velocity"]; }
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| 46 | }
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| 47 | public ILookupParameter<RealVector> PersonalBestParameter {
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| 48 | get { return (ILookupParameter<RealVector>)Parameters["PersonalBest"]; }
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| 49 | }
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| 50 | public ILookupParameter<RealVector> NeighborBestParameter {
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| 51 | get { return (ILookupParameter<RealVector>)Parameters["NeighborBest"]; }
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| 52 | }
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| 53 | public ILookupParameter<RealVector> RealVectorParameter {
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| 54 | get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
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| 55 | }
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| 56 | public ILookupParameter<DoubleMatrix> BoundsParameter {
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| 57 | get { return (ILookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
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| 58 | }
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| 59 | public ILookupParameter<DoubleValue> CurrentMaxVelocityParameter {
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| 60 | get { return (ILookupParameter<DoubleValue>)Parameters["CurrentMaxVelocity"]; }
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| 61 | }
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| 62 | public ILookupParameter<DoubleValue> CurrentInertiaParameter {
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| 63 | get { return (ILookupParameter<DoubleValue>)Parameters["CurrentInertia"]; }
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| 64 | }
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| 65 | ILookupParameter<DoubleValue> IParticleUpdater.InertiaParameter { get { return CurrentInertiaParameter; } }
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| 66 |
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| 67 | public ILookupParameter<DoubleValue> PersonalBestAttractionParameter {
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| 68 | get { return (ILookupParameter<DoubleValue>)Parameters["PersonalBestAttraction"]; }
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| 69 | }
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| 70 | public ILookupParameter<DoubleValue> NeighborBestAttractionParameter {
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| 71 | get { return (ILookupParameter<DoubleValue>)Parameters["NeighborBestAttraction"]; }
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| 72 | }
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| 73 | #endregion
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| 74 |
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| 75 | #region Construction & Cloning
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| 76 | [StorableConstructor]
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| 77 | protected SPSOParticleUpdater(bool deserializing) : base(deserializing) { }
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| 78 | protected SPSOParticleUpdater(SPSOParticleUpdater original, Cloner cloner) : base(original, cloner) { }
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| 79 | public SPSOParticleUpdater()
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| 80 | : base() {
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| 81 | Parameters.Add(new LookupParameter<IRandom>("Random", "Random number generator."));
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| 82 | Parameters.Add(new LookupParameter<RealVector>("RealVector", "Particle's current solution"));
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| 83 | Parameters.Add(new LookupParameter<RealVector>("Velocity", "Particle's current velocity."));
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| 84 | Parameters.Add(new LookupParameter<RealVector>("PersonalBest", "Particle's personal best solution."));
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| 85 | Parameters.Add(new LookupParameter<RealVector>("NeighborBest", "Best neighboring solution."));
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| 86 | 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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| 87 | Parameters.Add(new LookupParameter<DoubleValue>("CurrentMaxVelocity", "Maximum for the particle's velocity vector."));
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| 88 | Parameters.Add(new LookupParameter<DoubleValue>("CurrentInertia", "The weight for the particle's velocity vector."));
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| 89 | Parameters.Add(new LookupParameter<DoubleValue>("PersonalBestAttraction", "The weight for the particle's personal best position."));
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| 90 | Parameters.Add(new LookupParameter<DoubleValue>("NeighborBestAttraction", "The weight for the global best position."));
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| 91 | }
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| 92 | #endregion
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| 93 | }
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| 94 | }
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