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Last change
on this file since 15787 was
15091,
checked in by abeham, 7 years ago
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#2797:
- Updated PSO to make it more compatible with SPSO 2011
- Removed truncation of velocity vector and instead rescaled it given the maximum velocity
- Added non-zero initial velocity according to SPSO 2011
- Removed complicated bouncing code due to box constraints and instead implemented as described in SPSO 2011
- Calculating neighbor best has been changed to use personal best
- Avoiding local and global particle update and instead relying on neighborbest
- More randomization during velocity update by using a separate random numbers per dimension
- Reusing problem specific solution creator in RealVectorParticleCreator instead of always using UniformRandomRealVectorCreator
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File size:
1.4 KB
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| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2016 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.Core;
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| 23 | using HeuristicLab.Data;
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| 24 | using HeuristicLab.Optimization;
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| 25 |
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| 26 | namespace HeuristicLab.Encodings.RealVectorEncoding {
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| 27 | public interface IRealVectorParticleUpdater : IParticleUpdater, IRealVectorOperator {
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| 28 | ILookupParameter<RealVector> VelocityParameter { get; }
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| 29 | ILookupParameter<DoubleValue> CurrentMaxVelocityParameter { get; }
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| 30 | ILookupParameter<RealVector> RealVectorParameter { get; }
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| 31 | ILookupParameter<DoubleMatrix> BoundsParameter { get; }
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| 32 | ILookupParameter<RealVector> PersonalBestParameter { get; }
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| 33 | ILookupParameter<RealVector> NeighborBestParameter { get; }
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| 34 | }
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| 35 | }
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