| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.commons.math.optimization.fitting; |
| |
| import java.io.Serializable; |
| |
| /** This class is a simple container for weighted observed point in |
| * {@link CurveFitter curve fitting}. |
| * <p>Instances of this class are guaranteed to be immutable.</p> |
| * @version $Revision: 786479 $ $Date: 2009-06-19 14:36:16 +0200 (ven. 19 juin 2009) $ |
| * @since 2.0 |
| */ |
| public class WeightedObservedPoint implements Serializable { |
| |
| /** Serializable version id. */ |
| private static final long serialVersionUID = 5306874947404636157L; |
| |
| /** Weight of the measurement in the fitting process. */ |
| private final double weight; |
| |
| /** Abscissa of the point. */ |
| private final double x; |
| |
| /** Observed value of the function at x. */ |
| private final double y; |
| |
| /** Simple constructor. |
| * @param weight weight of the measurement in the fitting process |
| * @param x abscissa of the measurement |
| * @param y ordinate of the measurement |
| */ |
| public WeightedObservedPoint(final double weight, final double x, final double y) { |
| this.weight = weight; |
| this.x = x; |
| this.y = y; |
| } |
| |
| /** Get the weight of the measurement in the fitting process. |
| * @return weight of the measurement in the fitting process |
| */ |
| public double getWeight() { |
| return weight; |
| } |
| |
| /** Get the abscissa of the point. |
| * @return abscissa of the point |
| */ |
| public double getX() { |
| return x; |
| } |
| |
| /** Get the observed value of the function at x. |
| * @return observed value of the function at x |
| */ |
| public double getY() { |
| return y; |
| } |
| |
| } |
| |