Approximation And Computation
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Approximation and Computation
Author | : Walter Gautschi,Giuseppe Mastroianni,Themistocles M. Rassias |
Publsiher | : Springer Science & Business Media |
Total Pages | : 482 |
Release | : 2010-10-20 |
Genre | : Mathematics |
ISBN | : 9781441965943 |
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Approximation theory and numerical analysis are central to the creation of accurate computer simulations and mathematical models. Research in these areas can influence the computational techniques used in a variety of mathematical and computational sciences. This collection of contributed chapters, dedicated to renowned mathematician Gradimir V. Milovanović, represent the recent work of experts in the fields of approximation theory and numerical analysis. These invited contributions describe new trends in these important areas of research including theoretic developments, new computational algorithms, and multidisciplinary applications. Special features of this volume: - Presents results and approximation methods in various computational settings including: polynomial and orthogonal systems, analytic functions, and differential equations. - Provides a historical overview of approximation theory and many of its subdisciplines; - Contains new results from diverse areas of research spanning mathematics, engineering, and the computational sciences. "Approximation and Computation" is intended for mathematicians and researchers focusing on approximation theory and numerical analysis, but can also be a valuable resource to students and researchers in the computational and applied sciences.
Selected Topics in Approximation and Computation
Author | : Marek Kowalski,Christopher Sikorski,Frank Stenger |
Publsiher | : Oxford University Press |
Total Pages | : 366 |
Release | : 1995-08-31 |
Genre | : Mathematics |
ISBN | : 9780195359770 |
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Selected Topics in Approximation and Computation addresses the relationship between modern approximation theory and computational methods. The text is a combination of expositions of basic classical methods of approximation leading to popular splines and new explicit tools of computation, including Sinc methods, elliptic function methods, and positive operator approximation methods. It also provides an excellent summary of worst case analysis in information based complexity. It relates optimal computational methods with the theory of s-numbers and n-widths. It can serve as a text for senior-graduate courses in computer science and applied mathematics, and also as a reference for professionals.
Computation and Approximation
Author | : Vijay Gupta,Michael Th. Rassias |
Publsiher | : Springer Nature |
Total Pages | : 107 |
Release | : 2021-11-29 |
Genre | : Mathematics |
ISBN | : 9783030855635 |
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This brief studies recent work conducted on certain exponential type operators and other integral type operators. It consists of three chapters: the first on exponential type operators, the second a study of some modifications of linear positive operators, and the third on difference estimates between two operators. It will be of interest to students both graduate and undergraduate studying linear positive operators and the area of approximation theory.
Selected Topics in Approximation and Computation
Author | : Marek A. Kowalski,Krzystof A. Sikorski,Frank Stenger |
Publsiher | : Oxford University Press, USA |
Total Pages | : 366 |
Release | : 1995-10-19 |
Genre | : Mathematics |
ISBN | : 9780195080599 |
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Selected Topics in Approximation and Computation is a combination of expositions of basic classical methods of approximation leading to popular splines and new explicit tools of computation, including sinc methods, elliptic function methods, and positive operator approximation methods. It also provides an excellent summary of worst case analysis in Information Based Complexity. It relates optimal computational methods e=with the theory of s-numbers and m-widths.
Approximation and Computation in Science and Engineering
Author | : Nicholas J. Daras,Themistocles M. Rassias |
Publsiher | : Springer Nature |
Total Pages | : 934 |
Release | : 2022-05-05 |
Genre | : Mathematics |
ISBN | : 9783030841225 |
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In recent years, extensive research has been conducted by eminent mathematicians and engineers whose results and proposed problems are presented in this new volume. It is addressed to graduate students, research mathematicians, physicists, and engineers. Individual contributions are devoted to topics of approximation theory, functional equations and inequalities, fixed point theory, numerical analysis, theory of wavelets, convex analysis, topology, operator theory, differential operators, fractional integral operators, integro-differential equations, ternary algebras, super and hyper relators, variational analysis, discrete mathematics, cryptography, and a variety of applications in interdisciplinary topics. Several of these domains have a strong connection with both theories and problems of linear and nonlinear optimization. The combination of results from various domains provides the reader with a solid, state-of-the-art interdisciplinary reference to theory and problems. Some of the works provide guidelines for further research and proposals for new directions and open problems with relevant discussions.
Approximate Computation of Expectations
Author | : Charles Stein |
Publsiher | : IMS |
Total Pages | : 172 |
Release | : 1986 |
Genre | : Mathematics |
ISBN | : 0940600080 |
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Computational Methods for Approximation of Large Scale Dynamical Systems
Author | : Mohammad Monir Uddin |
Publsiher | : CRC Press |
Total Pages | : 279 |
Release | : 2019-04-30 |
Genre | : Mathematics |
ISBN | : 9781351028608 |
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These days, computer-based simulation is considered the quintessential approach to exploring new ideas in the different disciplines of science, engineering and technology (SET). To perform simulations, a physical system needs to be modeled using mathematics; these models are often represented by linear time-invariant (LTI) continuous-time (CT) systems. Oftentimes these systems are subject to additional algebraic constraints, leading to first- or second-order differential-algebraic equations (DAEs), otherwise known as descriptor systems. Such large-scale systems generally lead to massive memory requirements and enormous computational complexity, thus restricting frequent simulations, which are required by many applications. To resolve these complexities, the higher-dimensional system may be approximated by a substantially lower-dimensional one through model order reduction (MOR) techniques. Computational Methods for Approximation of Large-Scale Dynamical Systems discusses computational techniques for the MOR of large-scale sparse LTI CT systems. Although the book puts emphasis on the MOR of descriptor systems, it begins by showing and comparing the various MOR techniques for standard systems. The book also discusses the low-rank alternating direction implicit (LR-ADI) iteration and the issues related to solving the Lyapunov equation of large-scale sparse LTI systems to compute the low-rank Gramian factors, which are important components for implementing the Gramian-based MOR. Although this book is primarly aimed at post-graduate students and researchers of the various SET disciplines, the basic contents of this book can be supplemental to the advanced bachelor's-level students as well. It can also serve as an invaluable reference to researchers working in academics and industries alike. Features: Provides an up-to-date, step-by-step guide for its readers. Each chapter develops theories and provides necessary algorithms, worked examples, numerical experiments and related exercises. With the combination of this book and its supplementary materials, the reader gains a sound understanding of the topic. The MATLAB® codes for some selected algorithms are provided in the book. The solutions to the exercise problems, experiment data sets and a digital copy of the software are provided on the book's website; The numerical experiments use real-world data sets obtained from industries and research institutes.
Selected Topics in Approximation and Computation
Author | : Marek A. Kowalski,Krzysztof A. Sikorski,Frank Stenger |
Publsiher | : Unknown |
Total Pages | : 349 |
Release | : 1995 |
Genre | : Approximation theory |
ISBN | : 0197560407 |
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'Selected Topics in Approximation and Computation' is a combination of expositions of basic classical methods of approximation leading to popular splines and new explicit tools of computation, including sinc methods, elliptic function methods and positive operator approximation methods. It also provides an excellent summary of worst case analysis in information based complexity. It relates optimal computational methods e=with the theory of s-numbers and m-widths.