[17639] | 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 Feynman39 : FeynmanDescriptor {
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| 8 | public override string Name { get { return "Feynman I.38.12 4*pi*epsilon*(h/(2*pi))**2/(m*q**2)"; } }
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| 9 |
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| 10 | protected override string TargetVariable { get { return "r"; } }
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| 11 | protected override string[] VariableNames { get { return new[] {"m", "q", "h", "epsilon", "r"}; } }
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| 12 | protected override string[] AllowedInputVariables { get { return new[] {"m", "q", "h", "epsilon"}; } }
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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 Feynman39() : this((int) DateTime.Now.Ticks) { }
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| 17 |
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| 18 | public Feynman39(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 m = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 27 | var q = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 28 | var h = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 29 | var epsilon = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 30 |
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| 31 | var r = new List<double>();
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| 32 |
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| 33 | data.Add(m);
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| 34 | data.Add(q);
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| 35 | data.Add(h);
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| 36 | data.Add(epsilon);
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| 37 | data.Add(r);
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| 38 |
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| 39 | for (var i = 0; i < m.Count; i++) {
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| 40 | var res = 4 * Math.PI * epsilon[i] * Math.Pow((h[i] / (2 * Math.PI)), 2) / (m[i] * Math.Pow(q[i], 2));
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| 41 | r.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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