Problems and Solutions in Optimization
Problems and Solutions in Optimization
by Willi-Hans Steeb International School for Scientific Computing at University of Johannesburg, South Africa
Yorick Hardy Department of Mathematical Sciences at University of South Africa
George Dori Anescu email: george.anescu@
Preface
v
Preface
The purpose of this book is to supply a collection of problems in optimization theory.
Prescribed book for problems.
The Nonlinear Workbook: 5th edition by Willi-Hans Steeb World Scientific Publishing, Singapore 2011 ISBN 978-981-4335-77-5
The International School for Scientific Computing (ISSC) provides certificate courses for this subject. Please contact the author if you want to do this course or other courses of the ISSC.
e-mail addresses of the author:
steebwilli@ steeb_wh@
Home page of the author:
Contents
Notation
ix
1 General
1
1.1 One-Dimensional Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1.1 Solved Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1.2 Supplementary Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.2 Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3 Two-Dimensional Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4 Problems with Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
1.5 Problems with Integrals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
1.6 Problems with Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2 Lagrange Multiplier Method
27
2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.2 Solved Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.3 Supplementary Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
3 Differential Forms and Lagrange Multiplier
43
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
3.2 Solved Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
3.3 Supplementary Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4 Penalty Method
49
5 Simplex Method
50
6 Karush-Kuhn-Tucker Conditions
56
6.1 Linear Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.2 Nonlinear Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
6.3 Support Vector Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
7 Fixed Points
66
vi
Contents
vii
8 Neural Networks
69
8.1 Hopfield Neural Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
8.2 Kohonen Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
8.3 Hyperplanes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
8.4 Perceptron Learning Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
8.5 Back-Propagation Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
8.6 Hausdorff Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
8.7 Miscellany . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
9 Genetic Algorithms
85
10 Euler-Lagrange Equations
91
11 Numerical Implementations
95
Bibliography
98
Index
100
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