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 Feynman82 : FeynmanDescriptor {
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8 | public override string Name { get { return "Feynman II.36.38 mom*H/(kb*T)+(mom*alpha)/(epsilon*c**2*kb*T)*M"; } }
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9 |
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10 | protected override string TargetVariable { get { return "f"; } }
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11 |
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12 | protected override string[] VariableNames {
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13 | get { return new[] {"mom", "H", "kb", "T", "alpha", "epsilon", "c", "M", "f"}; }
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14 | }
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15 |
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16 | protected override string[] AllowedInputVariables {
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17 | get { return new[] {"mom", "H", "kb", "T", "alpha", "epsilon", "c", "M"}; }
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18 | }
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19 |
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20 | public int Seed { get; private set; }
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21 |
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22 | public Feynman82() : this((int) DateTime.Now.Ticks) { }
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23 |
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24 | public Feynman82(int seed) {
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25 | Seed = seed;
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26 | }
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27 |
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28 | protected override List<List<double>> GenerateValues() {
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29 | var rand = new MersenneTwister((uint) Seed);
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30 |
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31 | var data = new List<List<double>>();
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32 | var mom = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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33 | var H = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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34 | var kb = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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35 | var T = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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36 | var alpha = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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37 | var epsilon = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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38 | var c = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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39 | var M = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 3).ToList();
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40 |
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41 | var f = new List<double>();
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42 |
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43 | data.Add(mom);
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44 | data.Add(H);
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45 | data.Add(kb);
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46 | data.Add(T);
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47 | data.Add(alpha);
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48 | data.Add(epsilon);
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49 | data.Add(c);
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50 | data.Add(M);
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51 | data.Add(f);
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52 |
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53 | for (var i = 0; i < mom.Count; i++) {
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54 | var res = mom[i] * H[i] / (kb[i] * T[i]) + mom[i] * alpha[i] / (epsilon[i] * Math.Pow(c[i],2) * kb[i] * T[i]) *M[i];
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55 | f.Add(res);
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56 | }
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57 |
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58 | return data;
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59 | }
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60 | }
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61 | } |
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