Fixed SimulatedBinaryCrossover and name of MichalewiczNonUniformAllPo…

…sitionsManipulator #890 git-svn-id: https://src.heuristiclab.com/svn/core/trunk@3172 2abd9481-f8db-48e9-bd25-06bc13291c1b
heal-research · Mar 22, 2010 · 739a86b · 739a86b
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commit 739a86b
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diff --git a/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Crossovers/SimulatedBinaryCrossover.cs b/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Crossovers/SimulatedBinaryCrossover.cs
@@ -77,7 +77,7 @@ public static RealVector Apply(IRandom random, RealVector parent1, RealVector pa
           if (u < 0.5) { // if u is smaller than 0.5 perform a contracting crossover
             beta = Math.Pow(2 * u, 1.0 / (contiguity.Value + 1));
           } else if (u > 0.5) { // otherwise perform an expanding crossover
-            beta = Math.Pow(1.0 / (2 - 2 * u), (contiguity.Value + 1));
+            beta = Math.Pow(0.5 / (1.0 - u), 1.0 / (contiguity.Value + 1));
           } else if (u == 0.5)
             beta = 1;
 

diff --git a/...dings.RealVectorEncoding/3.3/Manipulators/MichalewiczNonUniformAllPositionsManipulator.cs b/...dings.RealVectorEncoding/3.3/Manipulators/MichalewiczNonUniformAllPositionsManipulator.cs
@@ -33,7 +33,7 @@ namespace HeuristicLab.Encodings.RealVectorEncoding {
   /// <remarks>
   /// It is implemented as described in Michalewicz, Z. 1999. Genetic Algorithms + Data Structures = Evolution Programs. Third, Revised and Extended Edition, Spring-Verlag Berlin Heidelberg.
   /// </remarks>
-  [Item("MichalewiczNonUniformOnePositionManipulator", "It is implemented as described in Michalewicz, Z. 1999. Genetic Algorithms + Data Structures = Evolution Programs. Third, Revised and Extended Edition, Spring-Verlag Berlin Heidelberg.")]
+  [Item("MichalewiczNonUniformAllPositionsManipulator", "It is implemented as described in Michalewicz, Z. 1999. Genetic Algorithms + Data Structures = Evolution Programs. Third, Revised and Extended Edition, Spring-Verlag Berlin Heidelberg.")]
   [StorableClass]
   public class MichalewiczNonUniformAllPositionsManipulator : RealVectorManipulator {
     /// <summary>