1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using HeuristicLab.Random;
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5 |
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6 | namespace HeuristicLab.Problems.Instances.DataAnalysis {
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7 | public class Feynman84 : FeynmanDescriptor {
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8 | public override string Name { get { return "Feynman II.38.3 Y*A*x/d"; } }
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9 |
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10 | protected override string TargetVariable { get { return "F"; } }
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11 | protected override string[] VariableNames { get { return new[] {"Y", "A", "d", "x", "F"}; } }
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12 | protected override string[] AllowedInputVariables { get { return new[] {"Y", "A", "d", "x"}; } }
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13 |
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14 | public int Seed { get; private set; }
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15 |
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16 | public Feynman84() : this((int) DateTime.Now.Ticks) { }
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17 |
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18 | public Feynman84(int seed) {
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19 | Seed = seed;
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20 | }
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21 |
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22 | protected override List<List<double>> GenerateValues() {
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23 | var rand = new MersenneTwister((uint) Seed);
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24 |
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25 | var data = new List<List<double>>();
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26 | var Y = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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27 | var A = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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28 | var d = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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29 | var x = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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30 |
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31 | var F = new List<double>();
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32 |
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33 | data.Add(Y);
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34 | data.Add(A);
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35 | data.Add(d);
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36 | data.Add(x);
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37 | data.Add(F);
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38 |
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39 | for (var i = 0; i < Y.Count; i++) {
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40 | var res = Y[i] * A[i] * x[i] / d[i];
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41 | F.Add(res);
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42 | }
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43 |
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44 | return data;
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45 | }
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46 | }
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47 | } |
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