| Preface | 5 |
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| Contents | 9 |
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| Part I Basic Stochastic Optimization Methods | 15 |
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| 1 Decision/Control Under Stochastic Uncertainty | 16 |
| 1.1 Introduction | 16 |
| 1.2 Deterministic Substitute Problems: Basic Formulation | 18 |
| 2 Deterministic Substitute Problems in Optimal Decision Under Stochastic Uncertainty | 22 |
| 2.1 Optimum Design Problems with Random Parameters | 22 |
| 2.2 Basic Properties of Substitute Problems | 31 |
| 2.3 Approximations of Deterministic Substitute Problems in Optimal Design | 32 |
| 2.4 Applications to Problems in Quality Engineering | 42 |
| 2.5 Approximation of Probabilities: Probability Inequalities | 43 |
| Part II Differentiation Methods | 54 |
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| 3 Differentiation Methods for Probability and Risk Functions | 56 |
| 3.1 Introduction | 56 |
| 3.2 Transformation Method: Differentiation by Using an Integral Transformation | 59 |
| 3.3 The Differentiation of Structural Reliabilities | 67 |
| 3.4 Extensions | 70 |
| 3.5 Computation of Probabilities and its Derivatives by Asymptotic Expansions of Integral of Laplace Type | 75 |
| 3.6 Integral Representations of the Probability Function P(x) and its Derivatives | 85 |
| 3.7 Orthogonal Function Series Expansions I: Expansions in Hermite Functions, Case m = 1 | 88 |
| 3.8 Orthogonal Function Series Expansions II: Expansions in Hermite Functions, Case m | 88 |
| 102 | 88 |
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| 3.9 Orthogonal Function Series Expansions III: Expansions in Trigonometric, Legendre and Laguerre Series | 104 |
| Part III Deterministic Descent Directions | 107 |
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| 4 Deterministic Descent Directions and E.cient Points | 108 |
| 4.1 Convex Approximation | 108 |
| 4.2 Computation of Descent Directions in Case of Normal Distributions | 114 |
| 4.3 Efficient Solutions (Points) | 126 |
| 4.4 Descent Directions in Case of Elliptically Contoured Distributions | 131 |
| 4.5 Construction of Descent Directions by Using Quadratic Approximations of the Loss Function | 134 |
| Part IV Semi-Stochastic Approximation Methods | 140 |
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| 5 RSM-Based Stochastic Gradient Procedures | 142 |
| 5.1 Introduction | 142 |
| 5.2 Gradient Estimation Using the Response Surface Methodology ( RSM) | 144 |
| 5.3 Estimation of the Mean Square (Mean Functional) Error | 155 |
| 5.4 Convergence Behavior of Hybrid Stochastic Approximation Methods | 160 |
| 5.5 Convergence Rates of Hybrid Stochastic Approximation Procedures | 166 |
| 6 Stochastic Approximation Methods with Changing Error Variances | 190 |
| 6.1 Introduction | 190 |
| 6.2 Solution of Optimality Conditions | 191 |
| 6.3 General Assumptions and Notations | 192 |
| 6.4 Preliminary Results | 196 |
| 6.5 General Convergence Results | 203 |
| 6.6 Realization of Search Directions | 217 |
| 6.7 Realization of Adaptive Step Sizes | 233 |
| 6.8 A Special Class of Adaptive Scalar Step Sizes | 249 |
| Part V Reliability Analysis of Structures/Systems | 264 |
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| 7 Computation of Probabilities of Survival/ Failure by Means of Piecewise Linearization of the State Function | 266 |
| 7.1 Introduction | 266 |
| 7.2 The State Function | 269 |
| 7.3 Probability of Safety/Survival | 272 |
| 7.4 Approximation I of ps, pf: FORM | 275 |
| 7.5 Approximation II of ps, pf: Polyhedral Approximation of the Safe/Unsafe Domain | 283 |
| 7.6 Computation of the Boundary Points | 292 |
| 7.7 Computation of the Approximate Probability Functions | 295 |
| Part VI Appendix | 312 |
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| A Sequences, Series and Products | 314 |
| A.1 Mean Value Theorems for Deterministic Sequences | 314 |
| A.2 Iterative Solution of a Lyapunov Matrix Equation | 322 |
| B Convergence Theorems for Stochastic Sequences | 326 |
| B.1 A Convergence Result of Robbins–Siegmund | 326 |
| B.2 Convergence in the Mean | 329 |
| B.3 The Strong Law of Large Numbers for Dependent Matrix Sequences | 331 |
| B.4 A Central Limit Theorem for Dependent Vector Sequences | 332 |
| C Tools from Matrix Calculus | 334 |
| C.1 Miscellaneous | 334 |
| C.2 The v. Mises-Procedure in Case of Errors | 335 |
| References | 340 |
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| Index | 348 |