Changeset 1180 for trunk/sources/HeuristicLab.RealVector

Timestamp:

01/27/09 14:25:47 (16 years ago)

Author:

abeham

Message:

Changed the main ES mutation operator in RealVector to allow different lengths of the strategy vector (ticket #84)

File:

• trunk/sources/HeuristicLab.RealVector/SelfAdaptiveNormalAllPositionsManipulator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.RealVector/SelfAdaptiveNormalAllPositionsManipulator.cs

@@ -40 +40 @@
     public static double[] Apply(double[] strategyParameters, IRandom random, double[] vector) {
       NormalDistributedRandom N = new NormalDistributedRandom(random, 0.0, 1.0);
-      if (strategyParameters.Length != vector.Length)
-        throw new InvalidOperationException("ERROR: Strategy Vector must be as long as parameter vector");
       for (int i = 0; i < vector.Length; i++) {
-        vector[i] = vector[i] + (N.NextDouble() * strategyParameters[i]);
+        vector[i] = vector[i] + (N.NextDouble() * strategyParameters[i % strategyParameters.Length]);
       }
       return vector;