#region License Information /* HeuristicLab * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using System.Linq.Expressions; using HeuristicLab.Core; namespace HeuristicLab.Algorithms.DataAnalysis { public delegate double CovarianceFunctionDelegate(double[,] x, int i, int j); public delegate double CrossCovarianceFunctionDelegate(double[,] x, double[,] xt, int i, int j); public delegate IEnumerable CovarianceGradientFunctionDelegate(double[,] x, int i, int j); public class ParameterizedCovarianceFunction { public CovarianceFunctionDelegate Covariance { get; set; } public CrossCovarianceFunctionDelegate CrossCovariance { get; set; } public CovarianceGradientFunctionDelegate CovarianceGradient { get; set; } } public interface ICovarianceFunction : IItem { int GetNumberOfParameters(int numberOfVariables); void SetParameter(double[] p); ParameterizedCovarianceFunction GetParameterizedCovarianceFunction(double[] p, IEnumerable columnIndices); } }