6/22/2012

Numerical Methods for Stochastic Computations: A Spectral Method Approach Review

Numerical Methods for Stochastic Computations: A Spectral Method Approach
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This is a concise, self-contained, well-written introduction to numerical methods for uncertainty quantification. This book is aimed at first-year graduate students in engineering, which means an enterprising undergrad in applied math, with a couple of analysis courses, ought to be able to read this with ease. If the book seems a bit light on actual stochastic computation, it is because much of modern stochastic computations are still research, and the author builds for the readers the foundation needed for performing these computations. I highly recommend this book to any computational scientists, who I predict will be preoccupied in the next 5-10 years with quantifying uncertainties for their large-scale simulations.

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The first graduate-level textbook to focus on fundamental aspects of numerical methods for stochastic computations, this book describes the class of numerical methods based on generalized polynomial chaos (gPC). These fast, efficient, and accurate methods are an extension of the classical spectral methods of high-dimensional random spaces. Designed to simulate complex systems subject to random inputs, these methods are widely used in many areas of computer science and engineering.

The book introduces polynomial approximation theory and probability theory; describes the basic theory of gPC methods through numerical examples and rigorous development; details the procedure for converting stochastic equations into deterministic ones; using both the Galerkin and collocation approaches; and discusses the distinct differences and challenges arising from high-dimensional problems. The last section is devoted to the application of gPC methods to critical areas such as inverse problems and data assimilation.

Ideal for use by graduate students and researchers both in the classroom and for self-study, Numerical Methods for Stochastic Computations provides the required tools for in-depth research related to stochastic computations.

The first graduate-level textbook to focus on the fundamentals of numerical methods for stochastic computations
Ideal introduction for graduate courses or self-study
Fast, efficient, and accurate numerical methods
Polynomial approximation theory and probability theory included
Basic gPC methods illustrated through examples


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