Changeset 16829 for branches/2994-AutoDiffForIntervals/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Interval.cs

Timestamp:

04/19/19 09:09:45 (6 years ago)

Author:

gkronber

Message:

#2994: merged changesets r16740:16822 from trunk to branch

Location:

branches/2994-AutoDiffForIntervals

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis/3.4 (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Interval.cs (modified) (1 diff)

branches/2994-AutoDiffForIntervals/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Interval.cs

@@ -167 +167 @@
     }
     public static Interval Cosine(Interval a) {
-      return Interval.Sine(Interval.Subtract(a, new Interval(Math.PI / 2, Math.PI / 2)));
+      return Interval.Sine(Interval.Add(a, new Interval(Math.PI / 2, Math.PI / 2)));
     }
     public static Interval Tangens(Interval a) {
       return Interval.Divide(Interval.Sine(a), Interval.Cosine(a));
+    }  
+    public static Interval HyperbolicTangent(Interval a) {
+      return new Interval(Math.Tanh(a.LowerBound), Math.Tanh(a.UpperBound));
     }