Strategies for Quasi-Monte Carlo
(Sprache: Englisch)
Strategies for Quasi-Monte Carlo builds a framework to design and analyze strategies for randomized quasi-Monte Carlo (RQMC). One key to efficient simulation using RQMC is to structure problems to reveal a small set of important variables, their number...
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Strategies for Quasi-Monte Carlo builds a framework to design and analyze strategies for randomized quasi-Monte Carlo (RQMC). One key to efficient simulation using RQMC is to structure problems to reveal a small set of important variables, their number being the effective dimension, while the other variables collectively are relatively insignificant. Another is smoothing. The book provides many illustrations of both keys, in particular for problems involving Poisson processes or Gaussian processes. RQMC beats grids by a huge margin. With low effective dimension, RQMC is an order-of-magnitude more efficient than standard Monte Carlo. With, in addition, certain smoothness - perhaps induced - RQMC is an order-of-magnitude more efficient than deterministic QMC. Unlike the latter, RQMC permits error estimation via the central limit theorem. For random-dimensional problems, such as occur with discrete-event simulation, RQMC gets judiciously combined with standard Monte Carlo to keep memory requirements bounded. This monograph has been designed to appeal to a diverse audience, including those with applications in queueing, operations research, computational finance, mathematical programming, partial differential equations (both deterministic and stochastic), and particle transport, as well as to probabilists and statisticians wanting to know how to apply effectively a powerful tool, and to those interested in numerical integration or optimization in their own right. It recognizes that the heart of practical application is algorithms, so pseudocodes appear throughout the book. While not primarily a textbook, it is suitable as a supplementary text for certain graduate courses. As a reference, it belongs on the shelf of everyone with a serious interest in improving simulation efficiency. Moreover, it will be a valuable reference to all those individuals interested in improving simulation efficiency with more than incremental increases.
Inhaltsverzeichnis zu „Strategies for Quasi-Monte Carlo “
1 Introduction.- 1.1 Setting up the (X, Y)-decomposition.- 1.2 Examples.- 1.3 Antecedents.- 1.4 Exploiting the (X, Y)-decomposition.- 1.5 A hybrid with RQMC.- 1.6 Generating Gaussian processes: foretaste.- 1.7 Scope of recursive conditioning.- 1.8 Ranking variables.- 2 Smoothing.- 2.1 Poisson case.- 2.2 Separable problems.- 2.3 Brownian motion - finance - PDEs.- 2.4 The Poisson case revisted.- 2.5 General considerations.- 3 Generating Poisson Processes.- 3.1 Computational complexity.- 3.2 Variance.- 3.3 The median-based method.- 3.4 The terminal pass.- 3.5 The midpoint-based method.- 3.6 Stochastic geometry.- 3.7 Extensions.- 4 Permuting Order Statistics.- 4.1 Motivating example.- 4.2 Approach.- 4.3 Relation to Latin supercubes.- 4.4 Comparison of anomalies blockwise.- 5 GENERATING BERNOULLI TRIALS.- 5.1 The third tree-like algorithm.- 5.2 Variance.- 5.3 Extensions.- 5.4 q-Blocks.- 6 Generating Gaussian Processes.- 6.1 Brownian-bridge methods.- 6.2 Overview of remaining sections.- 6.3 Principal-components methods.- 6.4 Piecewise approach.- 6.5 Gaussian random fields.- 6.6 A negative result.- 6.7 Linear-algebra software.- 7 Smoothing Summation.- 7.1 Smoothing the naive estimator.- 7.2 Smoothing importance sampling.- 7.3 Multiple indices ? single index.- 7.4 Properties.- 7.5 Remarks.- 8 Smoothing Variate Generation.- 8.1 Applying it to one variate.- 8.2 Applying it to several variates.- 9 Analysis Of Variance.- 9.1 Variance in the one-dimensional case.- 9.2 Weakening the smoothness condition?.- 9.3 Nested decomposition.- 9.4 Dynamic blocks.- 9.5 Stratification linked to quasi-Monte Carlo.- 9.6 The second term.- 10 Bernoulli Trials: Examples.- 10.1 Linearity in trial indicators.- 10.2 Continuous-state Markov chains.- 10.3 Weight windows and skewness attenuation.-10.4 Network reliability.- 11 Poisson Processes: Auxiliary Matter.- 11.1 Generating ordered uniforms.- 11.2 Generating betas.- 11.3 Generating binomials.- 11.4 Stratifying Poisson distributions.- 11.5 Recursive
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variance quartering.- 12 Background On Deterministic QMC.- 12.1 The role of quasi-Monte Carlo.- 12.2 Nets.- 12.3 Discrepancy.- 12.4 Truncating to get bounded variation.- 12.5 Electronic access.- 13 OPTIMIZATION.- 13.1 Global optimization over the unit cube.- 13.2 Dynamic programming over the unit cube.- 13.3 Stochastic programming.- 14 Background on Randomized QMC.- 14.1 Randomizing nets.- 14.2 Randomizing lattices.- 14.3 Latin hypercubes.- 14.4 Latin supercubes.- 15 Pseudocodes.- 15.1 Randomizing nets.- 15.2 Poisson processes: via medians.- 15.3 Poisson processes: via midpoints.- 15.4 Bernoulli trials: via equipartitions.- 15.5 Order statistics: positioning extremes.- 15.6 Generating ordered uniforms.- 15.7 Discrete summation: index recovery.
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Bibliographische Angaben
- Autor: Bennett L. Fox
- 2012, Softcover reprint of the original 1st ed. 1999, XXXIV, 368 Seiten, Maße: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 1461373794
- ISBN-13: 9781461373797
Sprache:
Englisch
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