Changeset 17963 for trunk/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Converters

Timestamp:

04/23/21 18:26:45 (4 years ago)

Author:

gkronber

Message:

#3121: support integer powers in interval arithmetic (and two simplification rules)

File:

• trunk/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Converters/TreeSimplifier.cs (modified) (2 diffs)

trunk/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Converters/TreeSimplifier.cs

@@ -784 +784 @@
       } else if (IsExp(node)) {
         return MakeExp(MakeProduct(node.GetSubtree(0), MakeConstant(2.0))); // sqr(exp(x)) = exp(2x)
+      } else if (IsSquare(node)) {
+        return MakePower(node.GetSubtree(0), MakeConstant(4));
       } else if (IsCube(node)) {
         return MakePower(node.GetSubtree(0), MakeConstant(6));
@@ -809 +811 @@
       } else if (IsSquare(node)) {
         return MakePower(node.GetSubtree(0), MakeConstant(6));
+      } else if (IsCube(node)) {
+        return MakePower(node.GetSubtree(0), MakeConstant(9));
       } else {
         var cubeNode = cubeSymbol.CreateTreeNode();