Approximate dynamic programming : solving the curses of dimensionality
著者
書誌事項
Approximate dynamic programming : solving the curses of dimensionality
（Wiley series in probability and mathematical statistics）
Wiley, c2011
2nd ed
- : hard
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注記
Includes bibliographical references (p. 607-621) and index
内容説明・目次
内容説明
Praise for the First Edition "Finally, a book devoted to dynamic programming and written using the language of operations research (OR)! This beautiful book fills a gap in the libraries of OR specialists and practitioners."
-Computing Reviews
This new edition showcases a focus on modeling and computation for complex classes of approximate dynamic programming problems
Understanding approximate dynamic programming (ADP) is vital in order to develop practical and high-quality solutions to complex industrial problems, particularly when those problems involve making decisions in the presence of uncertainty. Approximate Dynamic Programming, Second Edition uniquely integrates four distinct disciplines-Markov decision processes, mathematical programming, simulation, and statistics-to demonstrate how to successfully approach, model, and solve a wide range of real-life problems using ADP.
The book continues to bridge the gap between computer science, simulation, and operations research and now adopts the notation and vocabulary of reinforcement learning as well as stochastic search and simulation optimization. The author outlines the essential algorithms that serve as a starting point in the design of practical solutions for real problems. The three curses of dimensionality that impact complex problems are introduced and detailed coverage of implementation challenges is provided. The Second Edition also features:
A new chapter describing four fundamental classes of policies for working with diverse stochastic optimization problems: myopic policies, look-ahead policies, policy function approximations, and policies based on value function approximations
A new chapter on policy search that brings together stochastic search and simulation optimization concepts and introduces a new class of optimal learning strategies
Updated coverage of the exploration exploitation problem in ADP, now including a recently developed method for doing active learning in the presence of a physical state, using the concept of the knowledge gradient
A new sequence of chapters describing statistical methods for approximating value functions, estimating the value of a fixed policy, and value function approximation while searching for optimal policies
The presented coverage of ADP emphasizes models and algorithms, focusing on related applications and computation while also discussing the theoretical side of the topic that explores proofs of convergence and rate of convergence. A related website features an ongoing discussion of the evolving fields of approximation dynamic programming and reinforcement learning, along with additional readings, software, and datasets.
Requiring only a basic understanding of statistics and probability, Approximate Dynamic Programming, Second Edition is an excellent book for industrial engineering and operations research courses at the upper-undergraduate and graduate levels. It also serves as a valuable reference for researchers and professionals who utilize dynamic programming, stochastic programming, and control theory to solve problems in their everyday work.
目次
Preface to the Second Edition xi Preface to the First Edition xv
Acknowledgments xvii
1 The Challenges of Dynamic Programming 1
1.1 A Dynamic Programming Example: A Shortest Path Problem, 2
1.2 The Three Curses of Dimensionality, 3
1.3 Some Real Applications, 6
1.4 Problem Classes, 11
1.5 The Many Dialects of Dynamic Programming, 15
1.6 What Is New in This Book?, 17
1.7 Pedagogy, 19
1.8 Bibliographic Notes, 22
2 Some Illustrative Models 25
2.1 Deterministic Problems, 26
2.2 Stochastic Problems, 31
2.3 Information Acquisition Problems, 47
2.4 A Simple Modeling Framework for Dynamic Programs, 50
2.5 Bibliographic Notes, 54
Problems, 54
3 Introduction to Markov Decision Processes 57
3.1 The Optimality Equations, 58
3.2 Finite Horizon Problems, 65
3.3 Infinite Horizon Problems, 66
3.4 Value Iteration, 68
3.5 Policy Iteration, 74
3.6 Hybrid Value-Policy Iteration, 75
3.7 Average Reward Dynamic Programming, 76
3.8 The Linear Programming Method for Dynamic Programs, 77
3.9 Monotone Policies*, 78
3.10 Why Does It Work?**, 84
3.11 Bibliographic Notes, 103
Problems, 103
4 Introduction to Approximate Dynamic Programming 111
4.1 The Three Curses of Dimensionality (Revisited), 112
4.2 The Basic Idea, 114
4.3 Q-Learning and SARSA, 122
4.4 Real-Time Dynamic Programming, 126
4.5 Approximate Value Iteration, 127
4.6 The Post-Decision State Variable, 129
4.7 Low-Dimensional Representations of Value Functions, 144
4.8 So Just What Is Approximate Dynamic Programming?, 146
4.9 Experimental Issues, 149
4.10 But Does It Work?, 155
4.11 Bibliographic Notes, 156
Problems, 158
5 Modeling Dynamic Programs 167
5.1 Notational Style, 169
5.2 Modeling Time, 170
5.3 Modeling Resources, 174
5.4 The States of Our System, 178
5.5 Modeling Decisions, 187
5.6 The Exogenous Information Process, 189
5.7 The Transition Function, 198
5.8 The Objective Function, 206
5.9 A Measure-Theoretic View of Information**, 211
5.10 Bibliographic Notes, 213
Problems, 214
6 Policies 221
6.1 Myopic Policies, 224
6.2 Lookahead Policies, 224
6.3 Policy Function Approximations, 232
6.4 Value Function Approximations, 235
6.5 Hybrid Strategies, 239
6.6 Randomized Policies, 242
6.7 How to Choose a Policy?, 244
6.8 Bibliographic Notes, 247
Problems, 247
7 Policy Search 249
7.1 Background, 250
7.2 Gradient Search, 253
7.3 Direct Policy Search for Finite Alternatives, 256
7.4 The Knowledge Gradient Algorithm for Discrete Alternatives, 262
7.5 Simulation Optimization, 270
7.6 Why Does It Work?**, 274
7.7 Bibliographic Notes, 285
Problems, 286
8 Approximating Value Functions 289
8.1 Lookup Tables and Aggregation, 290
8.2 Parametric Models, 304
8.3 Regression Variations, 314
8.4 Nonparametric Models, 316
8.5 Approximations and the Curse of Dimensionality, 325
8.6 Why Does It Work?**, 328
8.7 Bibliographic Notes, 333
Problems, 334
9 Learning Value Function Approximations 337
9.1 Sampling the Value of a Policy, 337
9.2 Stochastic Approximation Methods, 347
9.3 Recursive Least Squares for Linear Models, 349
9.4 Temporal Difference Learning with a Linear Model, 356
9.5 Bellman's Equation Using a Linear Model, 358
9.6 Analysis of TD(0), LSTD, and LSPE Using a Single State, 364
9.7 Gradient-Based Methods for Approximate Value Iteration*, 366
9.8 Least Squares Temporal Differencing with Kernel Regression*, 371
9.9 Value Function Approximations Based on Bayesian Learning*, 373
9.10 Why Does It Work*, 376
9.11 Bibliographic Notes, 379
Problems, 381
10 Optimizing While Learning 383
10.1 Overview of Algorithmic Strategies, 385
10.2 Approximate Value Iteration and Q-Learning Using Lookup Tables, 386
10.3 Statistical Bias in the Max Operator, 397
10.4 Approximate Value Iteration and Q-Learning Using Linear Models, 400
10.5 Approximate Policy Iteration, 402
10.6 The Actor-Critic Paradigm, 408
10.7 Policy Gradient Methods, 410
10.8 The Linear Programming Method Using Basis Functions, 411
10.9 Approximate Policy Iteration Using Kernel Regression*, 413
10.10 Finite Horizon Approximations for Steady-State Applications, 415
10.11 Bibliographic Notes, 416
Problems, 418
11 Adaptive Estimation and Stepsizes 419
11.1 Learning Algorithms and Stepsizes, 420
11.2 Deterministic Stepsize Recipes, 425
11.3 Stochastic Stepsizes, 433
11.4 Optimal Stepsizes for Nonstationary Time Series, 437
11.5 Optimal Stepsizes for Approximate Value Iteration, 447
11.6 Convergence, 449
11.7 Guidelines for Choosing Stepsize Formulas, 451
11.8 Bibliographic Notes, 452
Problems, 453
12 Exploration Versus Exploitation 457
12.1 A Learning Exercise: The Nomadic Trucker, 457
12.2 An Introduction to Learning, 460
12.3 Heuristic Learning Policies, 464
12.4 Gittins Indexes for Online Learning, 470
12.5 The Knowledge Gradient Policy, 477
12.6 Learning with a Physical State, 482
12.7 Bibliographic Notes, 492
Problems, 493
13 Value Function Approximations for Resource Allocation Problems 497
13.1 Value Functions versus Gradients, 498
13.2 Linear Approximations, 499
13.3 Piecewise-Linear Approximations, 501
13.4 Solving a Resource Allocation Problem Using Piecewise-Linear Functions, 505
13.5 The SHAPE Algorithm, 509
13.6 Regression Methods, 513
13.7 Cutting Planes*, 516
13.8 Why Does It Work?**, 528
13.9 Bibliographic Notes, 535
Problems, 536
14 Dynamic Resource Allocation Problems 541
14.1 An Asset Acquisition Problem, 541
14.2 The Blood Management Problem, 547
14.3 A Portfolio Optimization Problem, 557
14.4 A General Resource Allocation Problem, 560
14.5 A Fleet Management Problem, 573
14.6 A Driver Management Problem, 580
14.7 Bibliographic Notes, 585
Problems, 586
15 Implementation Challenges 593
15.1 Will ADP Work for Your Problem?, 593
15.2 Designing an ADP Algorithm for Complex Problems, 594
15.3 Debugging an ADP Algorithm, 596
15.4 Practical Issues, 597
15.5 Modeling Your Problem, 602
15.6 Online versus Offline Models, 604
15.7 If It Works, Patent It!, 606
Bibliography 607
Index 623
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