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source: stable/HeuristicLab.Algorithms.DataAnalysis/3.4/GaussianProcess/ICovarianceFunction.cs @ 12486

Last change on this file since 12486 was 12009, checked in by ascheibe, 10 years ago

#2212 updated copyright year

File size: 1.8 KB
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[8401]1#region License Information
2/* HeuristicLab
[12009]3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[8401]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
[8323]21
[8982]22using System;
[8484]23using System.Collections.Generic;
[8982]24using System.Linq.Expressions;
[8323]25using HeuristicLab.Core;
26
[8371]27namespace HeuristicLab.Algorithms.DataAnalysis {
[8982]28
29  public delegate double CovarianceFunctionDelegate(double[,] x, int i, int j);
30  public delegate double CrossCovarianceFunctionDelegate(double[,] x, double[,] xt, int i, int j);
31  public delegate IEnumerable<double> CovarianceGradientFunctionDelegate(double[,] x, int i, int j);
32
33  public class ParameterizedCovarianceFunction {
34    public CovarianceFunctionDelegate Covariance { get; set; }
35    public CrossCovarianceFunctionDelegate CrossCovariance { get; set; }
36    public CovarianceGradientFunctionDelegate CovarianceGradient { get; set; }
37  }
38
[8323]39  public interface ICovarianceFunction : IItem {
40    int GetNumberOfParameters(int numberOfVariables);
[8982]41    void SetParameter(double[] p);
42    ParameterizedCovarianceFunction GetParameterizedCovarianceFunction(double[] p, IEnumerable<int> columnIndices);
[8323]43  }
44}
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