Changeset 16495 for stable/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/PhysicsInstanceProvider.cs

Timestamp:

01/03/19 19:05:37 (6 years ago)

Author:

gkronber

Message:

#2957: merged r16264, r16394, r16431 from trunk to stable

Location:

stable

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.Instances.DataAnalysis (modified) (1 prop)
• HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics (copied) (copied from trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics)
• HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/PhysicsInstanceProvider.cs (modified) (1 diff)

stable/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/PhysicsInstanceProvider.cs

@@ -22 +22 @@
 using System;
 using System.Collections.Generic;
+using HeuristicLab.Random;
 
 namespace HeuristicLab.Problems.Instances.DataAnalysis {
-  class PhysicsInstanceProvider : ArtificialRegressionInstanceProvider {
+  public class PhysicsInstanceProvider : ArtificialRegressionInstanceProvider {
+    public override string Name { get { return "Physics Benchmark Problems"; } }
+    public override string Description { get { return ""; } }
+    public override Uri WebLink { get { return new Uri(@"https://doi.org/10.1016/j.eswa.2018.05.021"); } }
+    public override string ReferencePublication {
+      get {
+        return "Chen Chen, Changtong Luo, Zonglin Jiang, \"A multilevel block building algorithm for fast modeling generalized separable systems\", Expert Systems with Applications, Volume 109, 2018, Pages 25-34 https://doi.org/10.1016/j.eswa.2018.05.021 as well as the (slightly different) pre-print on arXiv: https://arxiv.org/abs/1706.02281";
+      }
+    }
+
+    public int Seed { get; private set; }
+
+    public PhysicsInstanceProvider() : this((int)DateTime.Now.Ticks) { }
+
+    public PhysicsInstanceProvider(int seed) : base() {
+      Seed = seed;
+    }
+
     public override IEnumerable<IDataDescriptor> GetDataDescriptors() {
+      var rand = new FastRandom(Seed);
+
       return new List<IDataDescriptor>()
       {
-         new RocketFuelFlow(123),
-         new AircraftLift(456),
-         new FluidDynamics(789),
-         new AircraftMaximumLift(321)
+         new RocketFuelFlow(rand.Next()),
+         new AircraftLift(rand.Next()),
+         new FluidDynamics(rand.Next()),
+         new AircraftMaximumLift(rand.Next())
       };
-    }
-
-    public override string Name { get { return "Physics Benchmark Problems"; } }
-    public override string Description { get { return ""; } }
-    public override Uri WebLink { get { return new Uri(@"https://arxiv.org/abs/1706.02281"); } }
-    public override string ReferencePublication {
-      get {
-        return "Chen Chen, Changtong Luo, Zonglin Jiang, 2017 " +
-"\"A multilevel block search algorithm for fast modeling generalized separable systems.\" arXiv preprint arXiv:1706.02281, v3";
-      }
     }
   }