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Approximate Global Convergence and Adaptivity for Coefficient Inverse Problems

Approximate Global Convergence and Adaptivity for Coefficient Inverse Problems
Author: Larisa Beilina
Publisher: Springer Science & Business Media
Total Pages: 420
Release: 2012-03-09
Genre: Mathematics
ISBN: 1441978054

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Approximate Global Convergence and Adaptivity for Coefficient Inverse Problems is the first book in which two new concepts of numerical solutions of multidimensional Coefficient Inverse Problems (CIPs) for a hyperbolic Partial Differential Equation (PDE) are presented: Approximate Global Convergence and the Adaptive Finite Element Method (adaptivity for brevity). Two central questions for CIPs are addressed: How to obtain a good approximations for the exact solution without any knowledge of a small neighborhood of this solution, and how to refine it given the approximation. The book also combines analytical convergence results with recipes for various numerical implementations of developed algorithms. The developed technique is applied to two types of blind experimental data, which are collected both in a laboratory and in the field. The result for the blind backscattering experimental data collected in the field addresses a real world problem of imaging of shallow explosives.


Adaptive Control

Adaptive Control
Author: Shankar Sastry
Publisher: Courier Corporation
Total Pages: 402
Release: 2011-01-01
Genre: Technology & Engineering
ISBN: 0486482022

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This volume surveys the major results and techniques of analysis in the field of adaptive control. Focusing on linear, continuous time, single-input, single-output systems, the authors offer a clear, conceptual presentation of adaptive methods, enabling a critical evaluation of these techniques and suggesting avenues of further development. 1989 edition.


Convergence As Adaptivity

Convergence As Adaptivity
Author: Zhiyuan Wang
Publisher: Suny Press
Total Pages: 0
Release: 2024-01-02
Genre:
ISBN: 9781438493787

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Argues that states substitute unwanted policy changes dictated by globalization with politically feasible ones, leading to policy convergence.


Adaptive Frequency Estimation and New Convergence Properties for the Least Mean Square Algorithm

Adaptive Frequency Estimation and New Convergence Properties for the Least Mean Square Algorithm
Author: Robert Jeffrey Keeler
Publisher:
Total Pages: 188
Release: 1980
Genre: Adaptive filters
ISBN:

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The convergence properties of the least mean square (LMS) algorithm are interpreted in terms of a vector space associated with the coefficients of the adaptive linear prediction filter (ALPF). Signal planes defined in this weight vector space are used to describe the frequency tracking by characteristics of spectral estimators based on the ALPF and are used to explain the effects of both the filter parameters and the algorithm on tracking speed. The performances of three different adaptive frequency estimators derived from the ALPF are compared. Two of these employ Fourier transforms of the coefficients and the third is based on a transform of the ALPF output. Comparisons with the conventional periodogram spectrum estimator are presented in terms of a signal-to-noise ratio (SNR) defined in frequency domain parameters. Specific calculations for one ALPF frequency estimator (The maximum entropy estimator) are used to demonstrate a bias in this estimator.


Computational and Experimental Simulations in Engineering

Computational and Experimental Simulations in Engineering
Author: Hiroshi Okada
Publisher: Springer Nature
Total Pages: 1278
Release: 2019-11-16
Genre: Technology & Engineering
ISBN: 303027053X

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This book gathers the latest advances, innovations, and applications in the field of computational engineering, as presented by leading international researchers and engineers at the 24th International Conference on Computational & Experimental Engineering and Sciences (ICCES), held in Tokyo, Japan on March 25-28, 2019. ICCES covers all aspects of applied sciences and engineering: theoretical, analytical, computational, and experimental studies and solutions of problems in the physical, chemical, biological, mechanical, electrical, and mathematical sciences. As such, the book discusses highly diverse topics, including composites; bioengineering & biomechanics; geotechnical engineering; offshore & arctic engineering; multi-scale & multi-physics fluid engineering; structural integrity & longevity; materials design & simulation; and computer modeling methods in engineering. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.


Computing with hp-ADAPTIVE FINITE ELEMENTS

Computing with hp-ADAPTIVE FINITE ELEMENTS
Author: Leszek Demkowicz
Publisher: CRC Press
Total Pages: 428
Release: 2006-10-25
Genre: Mathematics
ISBN: 1420011685

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Offering the only existing finite element (FE) codes for Maxwell equations that support hp refinements on irregular meshes, Computing with hp-ADAPTIVE FINITE ELEMENTS: Volume 1. One- and Two-Dimensional Elliptic and Maxwell Problems presents 1D and 2D codes and automatic hp adaptivity. This self-contained source discusses the theory and implementat


Adaptive Wireless Communications

Adaptive Wireless Communications
Author: Daniel W. Bliss
Publisher: Cambridge University Press
Total Pages: 619
Release: 2013-05-09
Genre: Computers
ISBN: 1107033209

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History -- Notational and mathematical preliminaries


Probabilistic Numerics

Probabilistic Numerics
Author: Philipp Hennig
Publisher: Cambridge University Press
Total Pages: 411
Release: 2022-06-30
Genre: Computers
ISBN: 1107163447

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A thorough introduction to probabilistic numerics showing how to build more flexible, efficient, or customised algorithms for computation.