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 Feynman93 : FeynmanDescriptor {
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8 | public override string Name { get { return "Feynman III.13.18 2*E_n*d**2*k/(h/(2*pi))"; } }
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9 |
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10 | protected override string TargetVariable { get { return "v"; } }
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11 | protected override string[] VariableNames { get { return new[] {"E_n", "d", "k", "h", "v"}; } }
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12 | protected override string[] AllowedInputVariables { get { return new[] {"E_n", "d", "k", "h"}; } }
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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 Feynman93() : this((int) DateTime.Now.Ticks) { }
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17 |
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18 | public Feynman93(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 E_n = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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27 | var d = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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28 | var k = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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29 | var h = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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30 |
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31 | var v = new List<double>();
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32 |
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33 | data.Add(E_n);
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34 | data.Add(d);
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35 | data.Add(k);
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36 | data.Add(h);
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37 | data.Add(v);
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38 |
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39 | for (var i = 0; i < E_n.Count; i++) {
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40 | var res = 2 * E_n[i] * Math.Pow(d[i], 2) * k[i] / (h[i] / (2 * Math.PI));
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41 | v.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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