Changeset 18027 for branches/3026_IntegrationIntoSymSpace/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Friedman/FriedmanRandomFunction.cs

Timestamp:

07/20/21 18:13:55 (3 years ago)

Author:

dpiringe

Message:

#3026

• merged trunk into branch

Location:

branches/3026_IntegrationIntoSymSpace

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.Instances.DataAnalysis (modified) (1 prop)
• HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Friedman/FriedmanRandomFunction.cs (modified) (3 diffs)

branches/3026_IntegrationIntoSymSpace/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Friedman/FriedmanRandomFunction.cs

@@ -121 +121 @@
       // mu is generated from same distribution as x
       double[] mu = Enumerable.Range(0, nl).Select(_ => random.NextDouble() * 2 - 1).ToArray();
-      double[,] v = new double[nl, nl];
       var condNum = 4.0 / 0.01; // as given in the paper for max and min eigen values
 
@@ -128 +127 @@
       alglib.math.rndobject = new System.Random(random.Next());
 
-      alglib.matgen.spdmatrixrndcond(nl, condNum, ref v);
+      alglib.spdmatrixrndcond(nl, condNum, out var v);
       // restore
       alglib.math.rndobject = curRand;
@@ -137 +136 @@
       for (int i = 0; i < nRows; i++) {
         for (int j = 0; j < nl; j++) z[j] = xs[j][i] - mu[j];
-        alglib.ablas.rmatrixmv(nl, nl, v, 0, 0, 0, z, 0, ref y, 0);
+        alglib.rmatrixmv(nl, nl, v, 0, 0, 0, z, 0, ref y, 0);
 
         // dot prod