Changeset 9544 for trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/CovarianceFunctions
- Timestamp:
- 05/27/13 19:44:08 (12 years ago)
- File:
-
- 1 edited
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trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/CovarianceFunctions/CovarianceNoise.cs
r9456 r9544 87 87 var cov = new ParameterizedCovarianceFunction(); 88 88 cov.Covariance = (x, i, j) => i == j ? scale : 0.0; 89 cov.CrossCovariance = (x, xt, i, j) => 0.0;89 cov.CrossCovariance = (x, xt, i, j) => Util.SqrDist(x, i, xt, j, 1.0, columnIndices) < 1e-9 ? scale : 0.0; 90 90 cov.CovarianceGradient = (x, i, j) => Enumerable.Repeat(i == j ? 2.0 * scale : 0.0, 1); 91 91 return cov;
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