Changeset 16431 for trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics

Timestamp:

12/21/18 13:05:29 (6 years ago)

Author:

lkammere

Message:

#2957: Fixed visibility of regression instance providers for physics benchmark problems.

Location:

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics

Files:

• AircraftLift.cs (modified) (1 diff)
• AircraftMaximumLift.cs (modified) (1 diff)
• FluidDynamics.cs (modified) (1 diff)
• PhysicsInstanceProvider.cs (modified) (2 diffs)
• RocketFuelFlow.cs (modified) (1 diff)

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/AircraftLift.cs

@@ -26 +26 @@
 
 namespace HeuristicLab.Problems.Instances.DataAnalysis {
-  class AircraftLift : ArtificialRegressionDataDescriptor {
+  public class AircraftLift : ArtificialRegressionDataDescriptor {
     public override string Name { get { return "Aircraft Lift Coefficient C_L = C_La (a - a0) + C_Ld_e d_e S_HT / S_ref"; } }
 

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/AircraftMaximumLift.cs

@@ -26 +26 @@
 
 namespace HeuristicLab.Problems.Instances.DataAnalysis {
-  class AircraftMaximumLift : ArtificialRegressionDataDescriptor {
+  public class AircraftMaximumLift : ArtificialRegressionDataDescriptor {
     public override string Name { get { return "Aircraft Maximum Lift Coefficient f(X) = x1 - 1/4 x4 x5 x6 (4 + 0.1 x2/x3 - x2²/x3²) + x13 x14/x15 x18 x7 - x13 x14/x15 x8 + x13 x14/x15 x9 + x16 x17/x15 x18 x10 - x16 x17/x15 x11 + x16 x17/x15 x12"; } }
 

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/FluidDynamics.cs

@@ -26 +26 @@
 
 namespace HeuristicLab.Problems.Instances.DataAnalysis {
-  class FluidDynamics : ArtificialRegressionDataDescriptor {
+  public class FluidDynamics : ArtificialRegressionDataDescriptor {
     public override string Name { get { return "Flow Psi = V_inf r sin(th) (1 - R²/r²) + G/(2 π) ln(r/R)"; } }
 

trunk/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 override IEnumerable<IDataDescriptor> GetDataDescriptors() {
-      return new List<IDataDescriptor>()
-      {
-         new RocketFuelFlow(123),
-         new AircraftLift(456),
-         new FluidDynamics(789),
-         new AircraftMaximumLift(321)
-      };
-    }
-
+  public class PhysicsInstanceProvider : ArtificialRegressionInstanceProvider {
     public override string Name { get { return "Physics Benchmark Problems"; } }
     public override string Description { get { return ""; } }
@@ -43 +34 @@
       }
     }
+
+    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(rand.Next()),
+         new AircraftLift(rand.Next()),
+         new FluidDynamics(rand.Next()),
+         new AircraftMaximumLift(rand.Next())
+      };
+    }
   }
 }

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Physics/RocketFuelFlow.cs

@@ -26 +26 @@
 
 namespace HeuristicLab.Problems.Instances.DataAnalysis {
-  class RocketFuelFlow : ArtificialRegressionDataDescriptor {
+  public class RocketFuelFlow : ArtificialRegressionDataDescriptor {
     public override string Name { get { return "Rocket Fuel Flow m_dot = p0 A / sqrt(T0) * sqrt(γ/R (2/(γ+1))^((γ+1) / (γ-1)))"; } }