1dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond/* 2dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * Licensed to the Apache Software Foundation (ASF) under one or more 3dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * contributor license agreements. See the NOTICE file distributed with 4dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * this work for additional information regarding copyright ownership. 5dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * The ASF licenses this file to You under the Apache License, Version 2.0 6dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * (the "License"); you may not use this file except in compliance with 7dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * the License. You may obtain a copy of the License at 8dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * 9dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * http://www.apache.org/licenses/LICENSE-2.0 10dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * 11dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * Unless required by applicable law or agreed to in writing, software 12dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * distributed under the License is distributed on an "AS IS" BASIS, 13dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * See the License for the specific language governing permissions and 15dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * limitations under the License. 16dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 17dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 18dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondpackage org.apache.commons.math.optimization.fitting; 19dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 20dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondimport java.io.Serializable; 21dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 22dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond/** This class is a simple container for weighted observed point in 23dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * {@link CurveFitter curve fitting}. 24dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * <p>Instances of this class are guaranteed to be immutable.</p> 25dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @version $Revision: 786479 $ $Date: 2009-06-19 14:36:16 +0200 (ven. 19 juin 2009) $ 26dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @since 2.0 27dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 28dee0849a9704d532af0b550146cbafbaa6ee1d19Raymondpublic class WeightedObservedPoint implements Serializable { 29dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 30dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Serializable version id. */ 31dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond private static final long serialVersionUID = 5306874947404636157L; 32dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 33dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Weight of the measurement in the fitting process. */ 34dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond private final double weight; 35dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 36dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Abscissa of the point. */ 37dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond private final double x; 38dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 39dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Observed value of the function at x. */ 40dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond private final double y; 41dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 42dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Simple constructor. 43dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param weight weight of the measurement in the fitting process 44dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param x abscissa of the measurement 45dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @param y ordinate of the measurement 46dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 47dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond public WeightedObservedPoint(final double weight, final double x, final double y) { 48dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond this.weight = weight; 49dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond this.x = x; 50dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond this.y = y; 51dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond } 52dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 53dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Get the weight of the measurement in the fitting process. 54dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @return weight of the measurement in the fitting process 55dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 56dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond public double getWeight() { 57dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond return weight; 58dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond } 59dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 60dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Get the abscissa of the point. 61dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @return abscissa of the point 62dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 63dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond public double getX() { 64dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond return x; 65dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond } 66dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 67dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond /** Get the observed value of the function at x. 68dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond * @return observed value of the function at x 69dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond */ 70dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond public double getY() { 71dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond return y; 72dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond } 73dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 74dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond} 75dee0849a9704d532af0b550146cbafbaa6ee1d19Raymond 76