001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.math3.optimization;
019
020/**
021 * Target of the optimization procedure.
022 * They are the values which the objective vector function must reproduce
023 * When the parameters of the model have been optimized.
024 * <br/>
025 * Immutable class.
026 *
027 * @deprecated As of 3.1 (to be removed in 4.0).
028 * @since 3.1
029 */
030@Deprecated
031public class Target implements OptimizationData {
032    /** Target values (of the objective vector function). */
033    private final double[] target;
034
035    /**
036     * @param observations Target values.
037     */
038    public Target(double[] observations) {
039        target = observations.clone();
040    }
041
042    /**
043     * Gets the initial guess.
044     *
045     * @return the initial guess.
046     */
047    public double[] getTarget() {
048        return target.clone();
049    }
050}