Rigorous Global Search: Continuous Problems

This work grew out of several years of research, graduate seminars and talks on the subject. It was motivated by a desire to make the technology accessible to those who most needed it or could most use it. It is meant to be a self-contained introduction,

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Nonconvex Optimization and Its Applications Volume 13 Managing Editors: Panos Pardalos

University of Florida. U.S.A.

Reiner Horst University of Trier. Germany

Advisory Board: Ding-ZhuDu University of Minnesota. U.S.A.

C.A. Floudas

Princeton University. U.S.A.

G. Infanger Stanford University. U.S.A.

J. Mockus Lithuanian Academy of Sciences. Lithuania

P.D. Panagiotopoulos Aristotle University. Greece

H.D. Sherali

Virginia Polytechnic Institute and State University. U.S.A.

The titles published in this series are listed at the end of this volume.

Rigorous

Global Search: Continuous Problems

by

R. Baker Kearfott University of Southwestern Louisiana

Springer-Science+Business Media, B.V.

A C.I.P. Catalogue record for this book is available from the Library of Congress.

ISBN 978-1-4419-4762-8 ISBN 978-1-4757-2495-0 (eBook) DOI 10.1007/978-1-4757-2495-0

Printed on acid-free paper

All Rights Reserved © 1996 Springer Science+Business Media Dordrecht Originally published by Kluwer Academic Publishers in 1996. Softcover reprint of the hardcover 1st edition 1996

No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage and retrieval system, without written permission from the copyright owner.

CONTENTS

LIST OF FIGURES

vii

LIST OF TABLES

xi

PREFACE

xiii

1

PRELIMIN ARIES

2

SOFTWARE ENVIRONMENTS

71 71 78 102

ON PRECONDITIONING

113 115

3

4

1.1 1.2 1.3 1.4 1.5 1.6

2.1 2.2 2.3

3.1 3.2

Interval Arithmetic Interval Linear Systems Derivatives and Slopes Automatic Differentiation and Code Lists Interval Newton Methods and Interval Fixed Point Theory The Topological Degree

INTLIB Fortran 90 Interval and Code List Support Other Software Environments

The Inverse Midpoint Preconditioner Optimal Linear Programming Pre conditioners

VERIFIED SOLUTION OF NONLINEAR SYSTEMS 4.1 4.2

An Overall Branch and Bound Algorithm Approximate Roots and Epsilon-Inflation v

1 3 18 26 36 50 66

120

145 146 150

vi

RIGOROUS GLOBAL SEARCH: CONTINUOUS PROBLEMS

4.3 4.4 4.5

5

169 170 177 199

NON-DIFFERENTIABLE PROBLEMS

209 210 218

6.1 6.2

7

154 159 167

OPTIMIZATION

5.1 5.2 5.3

6

Tessellation Schemes Description of Provided Software Alternate Algorithms and Improvements

Background and Historical Algorithms Handling Constraints Description of Provided Software

Extensions of Non-Smooth Functions Use in Interval Newton Methods

USE OF INTERMEDIATE QUANTITIES IN THE EXPRESSION VALUES 7.1 7.2 7.3 7.4 7.5 7.6

The Basic Approach An Alternate Viewpoint - Constraint Propagation Application to Global Optimization Efficiency and Practicality Provided Software Exercises

227 227 230 230 232 233 234

REFERENCES

235

INDEX

255

LIST OF FIGURES

Chapter 1

The united solution set I:: (A, B) for the system (1.19) E(A, B) n X can still be bounded when AX = B is underdetermined. 1.3 The difference between the interval slope SU(j, z, x) and the derivative range lu for z =