Figures |
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xv | |
Tables |
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xxvii | |
Preface |
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xxix | |
Acronyms |
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xxxiii | |
General Notations |
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xxxv | |
1 Probability Theory and Random Variables |
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1 | (4) |
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1.2 Probability Space and Basic Definitions |
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5 | (2) |
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1.3 Probability as a Measure |
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7 | (11) |
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1.3.1 Caratheodory's extension theorem |
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10 | (6) |
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1.3.2 Uniqueness criterion for measures |
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16 | (2) |
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1.4 Random Variables and Measurable Functions |
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18 | (3) |
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1.4.1 Some properties of random variables |
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18 | (3) |
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1.5 Random Variables and Induced Probability Measures |
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21 | (1) |
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1.5.1 sigma-algebra generated by a random variable |
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22 | (1) |
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1.6 Probability Distribution and Density Function of a Random Variable |
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22 | (6) |
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1.6.1 Probability distribution function |
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23 | (2) |
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1.6.2 Lebesgue-Stieltjes measure |
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25 | (1) |
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1.6.3 Probability density function |
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26 | (1) |
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1.6.4 Radon-Nikodyn theorem |
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26 | (2) |
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1.7 Vector-valued Random Variables and Joint Probability Distributions |
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28 | (2) |
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1.7.1 Joint probability distributions and density functions |
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29 | (1) |
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1.7.2 Marginal probability distributions and density functions |
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29 | (1) |
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1.8 Integration of Measurable Functions and Expectation of a Random Variable |
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30 | (7) |
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1.8.1 Integration with respect to product measure and Fubini's theorem |
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31 | (2) |
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1.8.2 Monotone convergence theorem |
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33 | (1) |
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1.8.3 Expectation of a random variable |
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33 | (1) |
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1.8.4 Higher order expectations of a random variable |
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34 | (3) |
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1.8.5 Characteristic and moment generating functions |
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37 | (1) |
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1.9 Independence of Random Variables |
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37 | (4) |
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1.9.1 Independence of events |
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37 | (1) |
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1.9.2 Independence of classes of events |
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38 | (1) |
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1.9.3 Independence of a-algebras |
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38 | (1) |
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1.9.4 Independence of random variables |
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38 | (1) |
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1.9.5 Independence in terms of CDFs |
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39 | (1) |
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1.9.6 Independence of functions of random variables |
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40 | (1) |
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1.9.7 Independence and expectation of random variables |
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40 | (1) |
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1.9.8 Additional remarks on independence of random variables |
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41 | (1) |
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1.10 Some oft-used Probability Distributions |
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41 | (10) |
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1.10.1 Binomial distribution |
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42 | (1) |
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1.10.2 Poisson distribution |
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42 | (1) |
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1.10.3 Normal distribution |
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43 | (6) |
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1.10.4 Uniform distribution |
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49 | (1) |
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1.10.5 Rayleigh distribution |
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50 | (1) |
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1.11 Transformation of Random Variables |
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51 | (9) |
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1.11.1 Transformation involving a scalar function of vector random variables |
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52 | (2) |
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1.11.2 Transformation involving vector functions of random variables |
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54 | (1) |
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1.11.3 Diagonalization of covariance matrix and transformation to uncorrelated random variables |
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55 | (2) |
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1.11.4 Nataf transformation |
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57 | (3) |
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60 | (1) |
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61 | (2) |
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63 | (2) |
2 Random Variables: Conditioning, Convergence and Simulation |
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65 | (3) |
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2.2 Conditional Probability |
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68 | (13) |
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2.2.1 Conditional expectation |
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70 | (3) |
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73 | (2) |
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2.2.3 Generalized Bayes' formula and conditional probabilities |
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75 | (1) |
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2.2.4 Conditional expectation as the least mean square error estimator |
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76 | (1) |
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2.2.5 Rosenblatt transformation |
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77 | (4) |
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2.3 Convergence of Random Variables |
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81 | (6) |
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2.3.1 Convergence of a sequence of random variables |
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81 | (3) |
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2.3.2 Law of large numbers |
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84 | (1) |
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2.3.3 Central limit theorem (CLT) |
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85 | (2) |
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2.3.4 Random walk and central limit theorem |
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87 | (1) |
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2.4 Some Useful Inequalities in Probability Theory |
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87 | (4) |
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2.5 Monte Carlo (MC) Simulation of Random Variables |
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91 | (29) |
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2.5.1 Random number generation-uniformly distributed random variable |
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91 | (2) |
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2.5.2 Simulation for other distributions |
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93 | (5) |
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2.5.3 Simulation of joint random variables-uncorrelated and correlated |
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98 | (6) |
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2.5.4 Multidimensional integrals by MC simulation methods |
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104 | (13) |
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2.5.5 Rao-Blackwell theorem and a general approach to variance reduction techniques |
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117 | (3) |
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120 | (1) |
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120 | (3) |
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123 | (2) |
3 An Introduction to Stochastic Processes |
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125 | (4) |
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3.2 Stochastic Process and its Finite Dimensional Distributions |
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129 | (3) |
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3.2.1 Continuity of a stochastic process |
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130 | (1) |
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3.2.2 Version/modification of a stochastic process |
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131 | (1) |
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3.3 Stochastic Processes-Measurability and Filtration |
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132 | (18) |
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3.3.1 Filtration and adapted processes |
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133 | (1) |
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3.3.2 Some basic stochastic processes |
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133 | (2) |
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3.3.3 Stationary stochastic processes |
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135 | (1) |
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3.3.4 Wiener process/ Brownian motion |
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136 | (2) |
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3.3.5 Formal definition of a Wiener process |
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138 | (1) |
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3.3.6 Other properties of a Wiener process |
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139 | (11) |
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3.4 Martingales: A General Introduction |
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150 | (12) |
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3.4.1 Doob's decomposition theorem |
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150 | (2) |
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3.4.2 Martingale transform |
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152 | (2) |
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3.4.3 Doob's uperossing inequality |
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154 | (1) |
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3.4.4 Martingale convergence theorem |
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155 | (2) |
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3.4.5 Uniform integrability |
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157 | (5) |
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3.5 Stopping Time and Stopped Processes |
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162 | (10) |
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163 | (1) |
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164 | (1) |
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3.5.3 Doob's optional stopping theorem |
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165 | (1) |
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3.5.4 A super-martingale inequality |
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166 | (1) |
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3.5.5 Optional stopping theorem for UI martingales |
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167 | (5) |
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3.6 Some Useful Results for Time-continuous Martingales |
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172 | (10) |
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3.6.1 Doob's and Levy's martingale theorem |
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172 | (1) |
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3.6.2 Martingale convergence theorem |
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173 | (1) |
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3.6.3 Optional stopping theorem |
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174 | (8) |
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3.7 Localization and Local Martingales |
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182 | (1) |
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3.7.1 Definition of a local martingale |
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182 | (1) |
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183 | (1) |
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183 | (3) |
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186 | (1) |
4 Stochastic Calculus and Diffusion Processes |
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187 | (2) |
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189 | (9) |
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4.2.1 Stochastic integral of a discrete stochastic process |
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190 | (3) |
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4.2.2 Properties of Ito integral of simple adapted processes |
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193 | (2) |
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4.2.3 Ito integral for continuous processes |
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195 | (3) |
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198 | (3) |
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4.3.1 Larger class of integrands for Ito integral |
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200 | (1) |
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201 | (30) |
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4.4.1 Integral representation of an SDE |
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202 | (1) |
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203 | (12) |
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4.4.3 Ito's formula for higher dimensions |
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215 | (8) |
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4.4.4 Dynamical system of higher dimension and application of Ito's formula |
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223 | (8) |
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4.5 Spectral Representations of Stochastic Signals |
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231 | (16) |
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4.5.1 Non-stationary process and evolutionary power spectrum |
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232 | (12) |
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4.5.2 Some interesting aspects of evolutionary power spectrum |
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244 | (3) |
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4.6 Existence and Uniqueness of Solutions to SDEs |
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247 | (12) |
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4.6.1 Locally Lipschitz condition and unique solution to SDE |
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249 | (1) |
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4.6.2 Strong and weak solutions |
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249 | (1) |
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250 | (6) |
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4.6.4 Markov property of solutions to SDEs |
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256 | (3) |
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4.7 Backward Kolmogorov Equation-Revisiting Evaluation of Expectations |
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259 | (8) |
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4.7.1 Backward Kolmogorov equation |
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259 | (3) |
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4.7.2 Inhomogeneous backward Kolmogorov PDE |
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262 | (1) |
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4.7.3 Adjoint differential operator and forward Kolmogorov PDE |
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262 | (3) |
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265 | (2) |
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4.7.5 Feynman-Kac formula |
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267 | (1) |
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4.8 Solution of PDEs via Corresponding SDEs |
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267 | (11) |
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4.8.1 Solution to elliptic PDEs |
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270 | (6) |
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4.8.2 Exit time distributions from solutions of PDEs |
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276 | (2) |
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4.9 Recurrence and Transience of a Diffusion Process |
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278 | (1) |
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4.10 Girsanov's Theorem and Change of Measure |
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279 | (8) |
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4.10.1 Girsanov's theorem |
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280 | (1) |
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4.10.2 Girsanov's theorem for Brownian motion |
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281 | (1) |
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4.10.3 Girsanov's theorem-Version 1 |
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282 | (4) |
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4.10.4 Girsanov's theorem-the general version |
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286 | (1) |
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4.11 Martingale Representation Theorem |
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287 | (5) |
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4.11.1 Proof of martingale representation theorem |
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291 | (1) |
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4.12 A Brief Remark on the Martingale Problem |
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292 | (1) |
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293 | (1) |
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294 | (1) |
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295 | (4) |
5 Numerical Solutions to Stochastic Differential Equations |
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299 | (2) |
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5.2 Euler-Maruyama (EM) Method for Solving SDEs |
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301 | (14) |
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5.2.1 Order of convergence of EM method |
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302 | (1) |
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5.2.2 Statement of the theorem for global convergence |
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302 | (13) |
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5.3 An Implicit EM Method |
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315 | (1) |
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5.4 Further Issues on Convergence of EM Methods |
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316 | (2) |
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5.5 An introduction to Ito-Taylor Expansion for Stochastic Processes |
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318 | (2) |
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5.6 Derivation of Ito-Taylor Expansion |
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320 | (9) |
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5.6.1 One-step approximations-explicit integration methods |
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323 | (6) |
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5.7 Implementation Issues of the Numerical Integration Schemes |
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329 | (10) |
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330 | (9) |
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5.8 Stochastic Implicit Methods and Ito-Taylor Expansion |
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339 | (12) |
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5.8.1 Stochastic Newmark method-a two-parameter implicit scheme for mechanical oscillators |
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343 | (8) |
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5.9 Weak One-step Approximate Solutions of SDEs |
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351 | (19) |
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5.9.1 Statement of the weak convergence theorem |
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352 | (4) |
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5.9.2 Modelling of MSIs and construction of a weak one-step approximation |
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356 | (8) |
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5.9.3 Stochastic Newmark scheme using weak one-step approximation |
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364 | (6) |
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5.10 Local Linearization Methods for Strong / Weak Solutions of SDEs |
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370 | (9) |
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370 | (9) |
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379 | (1) |
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380 | (4) |
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384 | (2) |
6 Non-linear Stochastic Filtering and Recursive Monte Carlo Estimation |
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386 | (3) |
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6.2 Objective of Stochastic Filtering |
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389 | (1) |
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6.3 Stochastic Filtering and Kushner-Stratanovitch (KS) Equation |
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390 | (10) |
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392 | (1) |
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393 | (2) |
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6.3.3 Circularity-the problem of moment closure in non-linear filtering problems |
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395 | (2) |
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6.3.4 Unnormalized conditional density and Kushner's theorem |
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397 | (3) |
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6.4 Non-linear Stochastic Filtering and Solution Strategies |
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400 | (11) |
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6.4.1 Extended Kalman filter (EKF) |
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401 | (1) |
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6.4.2 EKF using locally transversal linearization (LTL) |
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402 | (5) |
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6.4.3 EKF applied to parameter estimation |
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407 | (4) |
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411 | (16) |
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411 | (7) |
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6.5.2 Auxiliary bootstrap filter |
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418 | (1) |
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6.5.3 Ensemble Kalman filter (EnKF) |
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419 | (8) |
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427 | (1) |
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428 | (1) |
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429 | (3) |
7 Non-linear Filters with Gain-type Additive Updates |
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432 | (1) |
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7.2 Iterated Gain-based Stochastic Filter (IGSF) |
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432 | (6) |
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433 | (5) |
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7.3 Improved Versions of IGSF |
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438 | (6) |
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7.3.1 Gaussian sum approximation and filter bank |
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438 | (1) |
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439 | (2) |
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7.3.3 Iterative update scheme for IGSF bank |
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441 | (1) |
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7.3.4 Iterative update scheme for IGSF bank with ADP |
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442 | (2) |
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444 | (7) |
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7.4.1 KS filtering scheme |
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445 | (6) |
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7.5 EnKS Filter-a Variant of KS Filter |
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451 | (13) |
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7.5.1 EnKS filtering scheme |
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452 | (1) |
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7.5.2 EnKS filter-a non-iterative form |
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453 | (4) |
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7.5.3 EnKS filter-an iterative form |
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457 | (7) |
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464 | (1) |
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465 | (2) |
8 Improved Numerical Solutions to SDEs by Change of Measures |
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467 | (5) |
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8.2 Girsanov Corrected Linearization Method (GCLM) |
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472 | (19) |
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477 | (14) |
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8.3 Girsanov Corrected Euler-Maruyama (GCEM) Method |
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491 | (5) |
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8.3.1 Additively driven SDEs and the GCEM method |
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492 | (1) |
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8.3.2 Weak correction through a change of measure |
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493 | (3) |
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8.4 Numerical Demonstration of GCEM Method |
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496 | (8) |
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504 | (1) |
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505 | (2) |
9 Evolutionary Global Optimization via Change of Measures: A Martingale Route |
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507 | (19) |
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9.2 Possible Ineffectiveness of Evolutionary Schemes |
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526 | (1) |
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9.3 Global Optimization by Change of Measure and Martingale Characterization |
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527 | (1) |
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9.4 Local Optimization as a Martingale Problem |
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528 | (2) |
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9.5 The Optimization Scheme-Algorithmic Aspects |
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530 | (13) |
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9.5.1 Discretization of the extremal equation |
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533 | (8) |
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541 | (2) |
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9.6 Some Applications of the Pseudo Code 2 to Dynamical Systems |
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543 | (9) |
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552 | (1) |
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553 | (3) |
10 COMBEO-A New Global Optimization Scheme By Change of Measures |
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556 | (1) |
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10.2 COMBEO-Improvements to the Martingale Approach |
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557 | (16) |
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10.2.1 Improvements to the coalescence strategy |
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557 | (2) |
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10.2.2 Improvements to scrambling and introduction of a relaxation parameter |
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559 | (2) |
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561 | (12) |
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573 | (9) |
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10.3.1 Some benchmark problems and solutions by COMBEO |
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577 | (5) |
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10.4 Further Improvements to COMBEO |
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582 | (7) |
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10.4.1 State space splitting (3S) |
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582 | (3) |
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10.4.2 Benchmark problems |
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585 | (4) |
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589 | (1) |
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589 | (2) |
Appendix A (Chapter 1) |
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591 | (16) |
Appendix B (Chapter 2) |
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607 | (7) |
Appendix C (Chapter 3) |
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614 | (6) |
Appendix D (Chapter 4) |
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620 | (15) |
Appendix E (Chapter 5) |
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635 | (7) |
Appendix F (Chapter 6) |
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642 | (3) |
Appendix G (Chapter 7) |
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645 | (21) |
Appendix H (Chapter 8) |
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666 | (2) |
Appendix I (Chapter 9) |
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668 | (5) |
References |
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673 | (21) |
Bibliography |
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694 | (7) |
Index |
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701 | |