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Commons Math example source code file (SimpleEstimationProblem.java)
The Commons Math SimpleEstimationProblem.java source code/* * 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.estimation; import java.util.ArrayList; import java.util.List; /** * Simple implementation of the {@link EstimationProblem * EstimationProblem} interface for boilerplate data handling. * <p>This class only handles parameters and measurements * storage and unbound parameters filtering. It does not compute * anything by itself. It should either be used with measurements * implementation that are smart enough to know about the * various parameters in order to compute the partial derivatives * appropriately. Since the problem-specific logic is mainly related to * the various measurements models, the simplest way to use this class * is by extending it and using one internal class extending * {@link WeightedMeasurement WeightedMeasurement} for each measurement * type. The instances of the internal classes would have access to the * various parameters and their current estimate.</p> * @version $Revision: 811827 $ $Date: 2009-09-06 11:32:50 -0400 (Sun, 06 Sep 2009) $ * @since 1.2 * @deprecated as of 2.0, everything in package org.apache.commons.math.estimation has * been deprecated and replaced by package org.apache.commons.math.optimization.general */ @Deprecated public class SimpleEstimationProblem implements EstimationProblem { /** Estimated parameters. */ private final List<EstimatedParameter> parameters; /** Measurements. */ private final List<WeightedMeasurement> measurements; /** * Build an empty instance without parameters nor measurements. */ public SimpleEstimationProblem() { parameters = new ArrayList<EstimatedParameter>(); measurements = new ArrayList<WeightedMeasurement>(); } /** * Get all the parameters of the problem. * @return parameters */ public EstimatedParameter[] getAllParameters() { return parameters.toArray(new EstimatedParameter[parameters.size()]); } /** * Get the unbound parameters of the problem. * @return unbound parameters */ public EstimatedParameter[] getUnboundParameters() { // filter the unbound parameters List<EstimatedParameter> unbound = new ArrayList Other Commons Math examples (source code examples)Here is a short list of links related to this Commons Math SimpleEstimationProblem.java source code file: |
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