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source: branches/3075_aifeynman_instances/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman15.cs @ 17639

Last change on this file since 17639 was 17639, checked in by chaider, 4 years ago

#3075

  • Added rest of part I equations
  • Set Training/Test Partitions to 105
File size: 1.5 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.Linq;
4using System.Text;
5using System.Threading.Tasks;
6using HeuristicLab.Common;
7using HeuristicLab.Random;
8
9namespace HeuristicLab.Problems.Instances.DataAnalysis {
10  public class Feynman15 : FeynmanDescriptor{
11 public override string Name { get { return "Feynman I.14.3 U = m*g*z"; } }
12
13 protected override string TargetVariable { get { return "U"; } }
14    protected override string[] VariableNames { get { return new string[] { "m", "g", "z", "U"}; } }
15    protected override string[] AllowedInputVariables { get { return new string[] {"m", "g", "z"}; } }
16
17    public int Seed { get; private set; }
18
19    public Feynman15() : this((int)System.DateTime.Now.Ticks) { }
20
21    public Feynman15(int seed) {
22      Seed = seed;
23    }
24
25    protected override List<List<double>> GenerateValues() {
26      var rand = new MersenneTwister((uint)Seed);
27
28      var data = new List<List<double>>();
29      var m = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
30      var g = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
31      var z = ValueGenerator.GenerateUniformDistributedValues(rand.Next(), TestPartitionEnd, 1, 5).ToList();
32
33      var U = new List<double>();
34
35      data.Add(m);
36      data.Add(g);
37      data.Add(z);
38      data.Add(U);
39
40      for (var i = 0; i < m.Count; i++) {
41        var res = m[i] * g[i] * z[i];
42        U.Add(res);
43      }
44
45      return data;
46    }
47  }
48}
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