Changeset 8933 for trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/CovarianceFunctions/CovarianceRationalQuadraticArd.cs

Timestamp:

11/20/12 14:04:29 (12 years ago)

Author:

gkronber

Message:

#1902 corrected handling of length-parameter arrays in ARD functions and prevented stacking of mask covariance functions to make sure that the length-parameter and the enumerable of selected column indexes are equally long.

File:

• trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/CovarianceFunctions/CovarianceRationalQuadraticArd.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/CovarianceFunctions/CovarianceRationalQuadraticArd.cs

@@ -148 +148 @@
                    : Util.SqrDist(x, i, j, inverseLength, columnIndices);
       double b = 1 + 0.5 * d / shape;
+      int k = 0;
       foreach (var columnIndex in columnIndices) {
-        yield return sf2 * Math.Pow(b, -shape - 1) * Util.SqrDist(x[i, columnIndex] * inverseLength[columnIndex], x[j, columnIndex] * inverseLength[columnIndex]);
+        yield return sf2 * Math.Pow(b, -shape - 1) * Util.SqrDist(x[i, columnIndex] * inverseLength[k], x[j, columnIndex] * inverseLength[k]);
+        k++;
       }
       yield return 2 * sf2 * Math.Pow(b, -shape);