[17638] | 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 System.Text;
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| 5 | using System.Threading.Tasks;
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| 6 | using HeuristicLab.Common;
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| 7 | using HeuristicLab.Random;
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| 8 |
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| 9 | namespace HeuristicLab.Problems.Instances.DataAnalysis {
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| 10 | public class Feynman7 : FeynmanDescriptor{
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| 11 | public override string Name { get { return "Feynman I.11.19 A = x1*y1+x2*y2+x3*y3"; } }
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| 12 |
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| 13 | protected override string TargetVariable { get { return "A"; } }
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| 14 | protected override string[] VariableNames { get { return new string[] { "x1", "x2", "x3", "y1", "y2", "y3", "A"}; } }
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| 15 | protected override string[] AllowedInputVariables { get { return new string[] {"x1", "x2", "x3", "y1", "y2", "y3"}; } }
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| 16 | protected override int TrainingPartitionStart { get { return 0; } }
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| 17 | protected override int TrainingPartitionEnd { get { return 80; } }
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| 18 | protected override int TestPartitionStart { get { return 80; } }
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| 19 | protected override int TestPartitionEnd { get { return 100; } }
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| 20 | public int Seed { get; private set; }
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| 21 |
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| 22 | public Feynman7() : this((int)System.DateTime.Now.Ticks) { }
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| 23 |
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| 24 | public Feynman7(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 x1 = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 33 | var x2 = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 34 | var x3 = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 35 | var y1 = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 36 | var y2 = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 37 | var y3 = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
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| 38 |
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| 39 | var A = new List<double>();
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| 40 |
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| 41 | data.Add(x1);
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| 42 | data.Add(x2);
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| 43 | data.Add(x3);
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| 44 | data.Add(y1);
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| 45 | data.Add(y2);
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| 46 | data.Add(y3);
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| 47 | data.Add(A);
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| 48 |
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| 49 | for (var i = 0; i < x1.Count; i++) {
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| 50 | var res = x1[i] * y1[i] + x2[i] * y2[i] + x3[i] * y3[i];
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| 51 | A.Add(res);
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| 52 | }
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| 53 |
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| 54 |
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| 55 | return data;
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| 56 | }
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| 57 | }
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| 58 | }
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