Last change
on this file since 1114 was
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checked in by Maciej Komosinski, 11 years ago
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1 | /* |
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2 | Copyright 2009 by Marcin Szubert |
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3 | Licensed under the Academic Free License version 3.0 |
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4 | */ |
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5 | |
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6 | package cecj.eval; |
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7 | |
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8 | import ec.EvolutionState; |
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9 | import ec.Individual; |
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10 | import ec.Setup; |
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11 | |
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12 | /** |
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13 | * Represents temporal difference learning (TDL) algorithm which is applied to population |
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14 | * individuals to improve them between subsequent evolutionary generations. |
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15 | * |
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16 | * @author Marcin Szubert |
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17 | * |
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18 | */ |
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19 | public interface TDLImprover extends Setup { |
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20 | |
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21 | /** |
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22 | * Prepares an individual for being improved by TDL algorithm. |
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23 | * |
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24 | * @param state |
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25 | * current evolutionary state |
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26 | * @param ind |
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27 | * individual to be prepared |
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28 | */ |
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29 | public void prepareForImproving(EvolutionState state, Individual ind); |
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30 | |
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31 | /** |
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32 | * Applies TDL algorithm to the given individual to improve its fitness |
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33 | * |
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34 | * @param state |
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35 | * current evolutionary state |
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36 | * @param ind |
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37 | * an individual to be improved |
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38 | */ |
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39 | public void improve(EvolutionState state, Individual ind); |
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40 | } |
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