1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.math.estimation; 19 20 import java.io.Serializable; 21 22 /** This class represents the estimated parameters of an estimation problem. 23 * 24 * <p>The parameters of an estimation problem have a name, a value and 25 * a bound flag. The value of bound parameters is considered trusted 26 * and the solvers should not adjust them. On the other hand, the 27 * solvers should adjust the value of unbounds parameters until they 28 * satisfy convergence criterions specific to each solver.</p> 29 * 30 * @version $Revision: 922710 $ $Date: 2010-03-14 02:20:56 +0100 (dim. 14 mars 2010) $ 31 * @since 1.2 32 * @deprecated as of 2.0, everything in package org.apache.commons.math.estimation has 33 * been deprecated and replaced by package org.apache.commons.math.optimization.general 34 * 35 */ 36 @Deprecated 37 public class EstimatedParameter 38 implements Serializable { 39 40 /** Serializable version identifier */ 41 private static final long serialVersionUID = -555440800213416949L; 42 43 /** Current value of the parameter */ 44 protected double estimate; 45 46 /** Name of the parameter */ 47 private final String name; 48 49 /** Indicator for bound parameters 50 * (ie parameters that should not be estimated) 51 */ 52 private boolean bound; 53 54 /** Simple constructor. 55 * Build an instance from a first estimate of the parameter, 56 * initially considered unbound. 57 * @param name name of the parameter 58 * @param firstEstimate first estimate of the parameter 59 */ 60 public EstimatedParameter(String name, double firstEstimate) { 61 this.name = name; 62 estimate = firstEstimate; 63 bound = false; 64 } 65 66 /** Simple constructor. 67 * Build an instance from a first estimate of the parameter and a 68 * bound flag 69 * @param name name of the parameter 70 * @param firstEstimate first estimate of the parameter 71 * @param bound flag, should be true if the parameter is bound 72 */ 73 public EstimatedParameter(String name, 74 double firstEstimate, 75 boolean bound) { 76 this.name = name; 77 estimate = firstEstimate; 78 this.bound = bound; 79 } 80 81 /** Copy constructor. 82 * Build a copy of a parameter 83 * @param parameter instance to copy 84 */ 85 public EstimatedParameter(EstimatedParameter parameter) { 86 name = parameter.name; 87 estimate = parameter.estimate; 88 bound = parameter.bound; 89 } 90 91 /** Set a new estimated value for the parameter. 92 * @param estimate new estimate for the parameter 93 */ 94 public void setEstimate(double estimate) { 95 this.estimate = estimate; 96 } 97 98 /** Get the current estimate of the parameter 99 * @return current estimate 100 */ 101 public double getEstimate() { 102 return estimate; 103 } 104 105 /** get the name of the parameter 106 * @return parameter name 107 */ 108 public String getName() { 109 return name; 110 } 111 112 /** Set the bound flag of the parameter 113 * @param bound this flag should be set to true if the parameter is 114 * bound (i.e. if it should not be adjusted by the solver). 115 */ 116 public void setBound(boolean bound) { 117 this.bound = bound; 118 } 119 120 /** Check if the parameter is bound 121 * @return true if the parameter is bound */ 122 public boolean isBound() { 123 return bound; 124 } 125 126 } 127
