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Changeset 13673

Timestamp:

03/09/16 14:05:49 (9 years ago)

Author:

bwerth

Message:

#1087 fixed bug in DTLZ1, DTLZ3 and DTLZ7

Location:

branches/HeuristicLab.Problems.MultiObjectiveTestFunctions

Files:

-                      r13672
+                      r13673
         throw new Exception("The dimensionality of the problem(ProblemSize) must be larger or equal than the dimensionality of the solution(SolutionSize) ");
+      }
+      double[] res = new double[objectives];
+      int k = r.Length - objectives + 1;
+      double g = 0;
+      double[] res = new double[objectives];
+      for (int i = r.Length - k; i < r.Length; i++) {
+        g += (r[i] - 0.5) * (r[i] - 0.5) - Math.Cos(20.0 * Math.PI * (r[i] - 0.5));
+      };
+      g += k;
+      g *= 100;
-      //calculate g(Xm)
-      double sum = 0, length = 0;
-      for (int i = objectives; i < r.Length; i++) {
-        double d = r[i] - 0.5;
-        sum += d * d - Math.Cos(20 * Math.PI * d);
-        length += r[i] * r[i];
+      }
-      length = Math.Sqrt(length);
-      double g = 100 * (length + sum);
-      //calculating f0...fM-1
       for (int i = 0; i < objectives; i++) {
         double f = 0.5 * (i == 0 ? 1 : (1 - r[objectives - i - 1])) * (1 + g);
         for (int j = 0; j < objectives - i - 1; j++) {
           f *= r[j];
+        }
         res[i] = f;
+        res[i] = 0.5 * (1.0 + g);
+        for (int j = 0; j < objectives - i - 1; ++j)
+          res[i] *= (r[j]);
+        if (i > 0)
+          res[i] *= 1 - r[objectives - i - 1];
+      }
       return res;

-                      r13672
+                      r13673
       //calculate g(Xm)
+      double sum = 0, length = 0;
+      for (int i = objectives; i < r.Length; i++) {
+      double sum = 0;
+      int length = r.Length - objectives + 1;
+      for (int i = r.Length-length; i < r.Length; i++) {
         double d = r[i] - 0.5;
         sum += d * d - Math.Cos(20 * Math.PI * d);
         length += r[i] * r[i];
+      }
-      length = Math.Sqrt(length);
       double g = 100 * (length + sum);

-                      r13672
+                      r13673
       //calculate g(Xm)
       double g = 0, length = 0;
+      double g = 0, length = length = r.Length - objectives + 1;
       for (int i = objectives; i < r.Length; i++) {
         g += r[i];
-        length += r[i] * r[i];
+      }
-      length = Math.Sqrt(length);
       g = 1.0 + 9.0 / length * g;
       if (length == 0) { g = 1; }

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