Changeset 11980 for branches/HeuristicLab.Problems.GrammaticalOptimization/HeuristicLab.Algorithms.GrammaticalOptimization

Timestamp:

02/11/15 13:06:02 (9 years ago)

Author:

gkronber

Message:

#2283: commit before cleanup after EuroCAST

File:

• branches/HeuristicLab.Problems.GrammaticalOptimization/HeuristicLab.Algorithms.GrammaticalOptimization/SequentialDecisionPolicies/GenericFunctionApproximationGrammarPolicy.cs (modified) (4 diffs)

branches/HeuristicLab.Problems.GrammaticalOptimization/HeuristicLab.Algorithms.GrammaticalOptimization/SequentialDecisionPolicies/GenericFunctionApproximationGrammarPolicy.cs

@@ -61 +61 @@
       }
 
-
-      
-      const double beta = 20;
+      
+      /*
+      const double beta = 10;
       var w = from idx in Enumerable.Range(0, maxIdx)
               let afterStateQ = activeAfterStates[idx]
@@ -71 +71 @@
       selectedStateIdx = actionIndexMap[bestAction];
       Debug.Assert(selectedStateIdx >= 0);
-      
-
-      /*
-      if (random.NextDouble() < 0.2) {
+      */
+      
+      
+      if (random.NextDouble() < 0.5) {
         selectedStateIdx = actionIndexMap[random.Next(maxIdx)];
       } else {
@@ -91 +91 @@
         selectedStateIdx = actionIndexMap[bestIdxs[random.Next(bestIdxs.Count)]];
       }
-      */
+      
       return true;
     }
@@ -140 +140 @@
       double delta = reward - GetValue(state);
       // delta /= problem.GetFeatures(state).Count();
-      //const double alpha = 0.01;
+      //const double alpha = 0.001;
       foreach (var feature in problem.GetFeatures(state)) {
         featureTries[feature.Id] = GetFeatureTries(feature.Id) + 1;