DifferentiableMultivariateVectorMultiStartOptimizer.java

  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. package org.apache.commons.math3.optimization;

  18. import org.apache.commons.math3.analysis.DifferentiableMultivariateVectorFunction;
  19. import org.apache.commons.math3.random.RandomVectorGenerator;

  20. /**
  21.  * Special implementation of the {@link DifferentiableMultivariateVectorOptimizer}
  22.  * interface addind multi-start features to an existing optimizer.
  23.  *
  24.  * This class wraps a classical optimizer to use it several times in
  25.  * turn with different starting points in order to avoid being trapped
  26.  * into a local extremum when looking for a global one.
  27.  *
  28.  * @deprecated As of 3.1 (to be removed in 4.0).
  29.  * @since 2.0
  30.  */
  31. @Deprecated
  32. public class DifferentiableMultivariateVectorMultiStartOptimizer
  33.     extends BaseMultivariateVectorMultiStartOptimizer<DifferentiableMultivariateVectorFunction>
  34.     implements DifferentiableMultivariateVectorOptimizer {
  35.     /**
  36.      * Create a multi-start optimizer from a single-start optimizer.
  37.      *
  38.      * @param optimizer Single-start optimizer to wrap.
  39.      * @param starts Number of starts to perform (including the
  40.      * first one), multi-start is disabled if value is less than or
  41.      * equal to 1.
  42.      * @param generator Random vector generator to use for restarts.
  43.      */
  44.     public DifferentiableMultivariateVectorMultiStartOptimizer(
  45.                 final DifferentiableMultivariateVectorOptimizer optimizer,
  46.                 final int starts,
  47.                 final RandomVectorGenerator generator) {
  48.         super(optimizer, starts, generator);
  49.     }
  50. }