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
018 package org.apache.commons.math3.optimization;
019
020 import org.apache.commons.math3.analysis.DifferentiableMultivariateVectorFunction;
021 import org.apache.commons.math3.random.RandomVectorGenerator;
022
023 /**
024 * Special implementation of the {@link DifferentiableMultivariateVectorOptimizer}
025 * interface addind multi-start features to an existing optimizer.
026 *
027 * This class wraps a classical optimizer to use it several times in
028 * turn with different starting points in order to avoid being trapped
029 * into a local extremum when looking for a global one.
030 *
031 * @version $Id: DifferentiableMultivariateVectorMultiStartOptimizer.java 1422230 2012-12-15 12:11:13Z erans $
032 * @deprecated As of 3.1 (to be removed in 4.0).
033 * @since 2.0
034 */
035 @Deprecated
036 public class DifferentiableMultivariateVectorMultiStartOptimizer
037 extends BaseMultivariateVectorMultiStartOptimizer<DifferentiableMultivariateVectorFunction>
038 implements DifferentiableMultivariateVectorOptimizer {
039 /**
040 * Create a multi-start optimizer from a single-start optimizer.
041 *
042 * @param optimizer Single-start optimizer to wrap.
043 * @param starts Number of starts to perform (including the
044 * first one), multi-start is disabled if value is less than or
045 * equal to 1.
046 * @param generator Random vector generator to use for restarts.
047 */
048 public DifferentiableMultivariateVectorMultiStartOptimizer(
049 final DifferentiableMultivariateVectorOptimizer optimizer,
050 final int starts,
051 final RandomVectorGenerator generator) {
052 super(optimizer, starts, generator);
053 }
054 }