<p>Inverse problems and optimal design have come of age as a consequence of the availability of better, more accurate, and more efficient simulation packages. Many of these simulators, which can run on small workstations, can capture the complicated behavior of the physical systems they are modeling
Large-scale Optimization β Problems and Methods
β Scribed by Vladimir Tsurkov (auth.)
- Publisher
- Springer US
- Year
- 2001
- Tongue
- English
- Leaves
- 321
- Series
- Applied Optimization 51
- Edition
- 1
- Category
- Library
No coin nor oath required. For personal study only.
β¦ Synopsis
Decomposition methods aim to reduce large-scale problems to simpler problems. This monograph presents selected aspects of the dimension-reduction problem. Exact and approximate aggregations of multidimensional systems are developed and from a known model of input-output balance, aggregation methods are categorized. The issues of loss of accuracy, recovery of original variables (disaggregation), and compatibility conditions are analyzed in detail. The method of iterative aggregation in large-scale problems is studied. For fixed weights, successively simpler aggregated problems are solved and the convergence of their solution to that of the original problem is analyzed. An introduction to block integer programming is considered. Duality theory, which is widely used in continuous block programming, does not work for the integer problem. A survey of alternative methods is presented and special attention is given to combined methods of decomposition. Block problems in which the coupling variables do not enter the binding constraints are studied. These models are worthwhile because they permit a decomposition with respect to primal and dual variables by two-level algorithms instead of three-level algorithms.
Audience: This book is addressed to specialists in operations research, optimization, and optimal control.
β¦ Table of Contents
Front Matter....Pages i-xi
Exact and Approximate Aggregation....Pages 1-76
Iterative Aggregation....Pages 77-128
Introduction to Block Integer Programming....Pages 129-262
Block Problems with a Special Condition for Coupling Variables....Pages 263-300
Back Matter....Pages 301-311
β¦ Subjects
Optimization; Calculus of Variations and Optimal Control; Optimization; Systems Theory, Control; Mathematical Modeling and Industrial Mathematics
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