Changeset 5680 for branches/DataAnalysis Refactoring/HeuristicLab.Algorithms.DataAnalysis/3.4/Linear/LinearDiscriminantAnalysis.cs

Timestamp:

03/15/11 07:30:27 (14 years ago)

Author:

gkronber

Message:

#1418 minor change in calculation of normal distribution PDF cutting points.

File:

• branches/DataAnalysis Refactoring/HeuristicLab.Algorithms.DataAnalysis/3.4/Linear/LinearDiscriminantAnalysis.cs (modified) (1 diff)

branches/DataAnalysis Refactoring/HeuristicLab.Algorithms.DataAnalysis/3.4/Linear/LinearDiscriminantAnalysis.cs

@@ -200 +200 @@
     private static void CalculateCutPoints(double m1, double s1, double m2, double s2, out double x1, out double x2) {
       double a = (s1 * s1 - s2 * s2);
-      double b = (m1 * s2 * s2 - m2 * s1 * s1);
-      double c = 2 * s1 * s1 * s2 * s2 * Math.Log(s2) - 2 * s1 * s1 * s2 * s2 * Math.Log(s1) - s1 * s1 * m2 * m2 + s2 * s2 * m1 * m1;
       x1 = -(-m2 * s1 * s1 + m1 * s2 * s2 + Math.Sqrt(s1 * s1 * s2 * s2 * ((m1 - m2) * (m1 - m2) + 2.0 * (-s1 * s1 + s2 * s2) * Math.Log(s2 / s1)))) / a;
       x2 = (m2 * s1 * s1 - m1 * s2 * s2 + Math.Sqrt(s1 * s1 * s2 * s2 * ((m1 - m2) * (m1 - m2) + 2.0 * (-s1 * s1 + s2 * s2) * Math.Log(s2 / s1)))) / a;