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author | Karl Shaffer <karlshaffer@google.com> | 2023-08-10 21:04:00 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2023-08-10 21:04:00 +0000 |
commit | b3715644fba79ef08acd9a2e157d078865281767 (patch) | |
tree | ace24ba4307d4978ee3134f7da671a77ad172da0 /src/main/java/org/apache/commons/math3/optimization/DifferentiableMultivariateMultiStartOptimizer.java | |
parent | c6daa20e87158ebdc049f6c921257ddbf1af6b0d (diff) | |
parent | 0018f64b87f6b2df2a4c866aa3eb8ab2e45efbea (diff) | |
download | apache-commons-math-b3715644fba79ef08acd9a2e157d078865281767.tar.gz |
Check-in commons-math 3.6.1 am: 1354beaf45 am: 0018f64b87
Original change: https://android-review.googlesource.com/c/platform/external/apache-commons-math/+/2702413
Change-Id: Ic2a78fec4bb3bb3448de42350306644ba2bd021d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'src/main/java/org/apache/commons/math3/optimization/DifferentiableMultivariateMultiStartOptimizer.java')
-rw-r--r-- | src/main/java/org/apache/commons/math3/optimization/DifferentiableMultivariateMultiStartOptimizer.java | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/optimization/DifferentiableMultivariateMultiStartOptimizer.java b/src/main/java/org/apache/commons/math3/optimization/DifferentiableMultivariateMultiStartOptimizer.java new file mode 100644 index 0000000..ae2a48e --- /dev/null +++ b/src/main/java/org/apache/commons/math3/optimization/DifferentiableMultivariateMultiStartOptimizer.java @@ -0,0 +1,51 @@ +/* + * 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.math3.optimization; + +import org.apache.commons.math3.analysis.DifferentiableMultivariateFunction; +import org.apache.commons.math3.random.RandomVectorGenerator; + +/** + * Special implementation of the {@link DifferentiableMultivariateOptimizer} interface adding + * multi-start features to an existing optimizer. + * + * <p>This class wraps a classical optimizer to use it several times in turn with different starting + * points in order to avoid being trapped into a local extremum when looking for a global one. + * + * @deprecated As of 3.1 (to be removed in 4.0). + * @since 2.0 + */ +@Deprecated +public class DifferentiableMultivariateMultiStartOptimizer + extends BaseMultivariateMultiStartOptimizer<DifferentiableMultivariateFunction> + implements DifferentiableMultivariateOptimizer { + /** + * Create a multi-start optimizer from a single-start optimizer. + * + * @param optimizer Single-start optimizer to wrap. + * @param starts Number of starts to perform (including the first one), multi-start is disabled + * if value is less than or equal to 1. + * @param generator Random vector generator to use for restarts. + */ + public DifferentiableMultivariateMultiStartOptimizer( + final DifferentiableMultivariateOptimizer optimizer, + final int starts, + final RandomVectorGenerator generator) { + super(optimizer, starts, generator); + } +} |