Hasil Pencarian  ::  Simpan CSV :: Kembali

"This self-contained introduction to the behavior of several spectral characteristics of large Toeplitz band matrices is the first systematic presentation of a relatively large body of knowledge. Covering everything from classic results to the most recent developments, Spectral Properties of Banded Toeplitz Matrices is an important resource. The spectral characteristics include determinants, eigenvalues and eigenvectors, pseudospectra and pseudomodes, singular values, norms, and condition numbers. Toeplitz matrices emerge in many applications and the literature on them is immense. They remain an active field of research with many facets, and the material on banded ones until now has primarily been found in research papers."

"Toeplitz systems arise in a variety of applications in mathematics, scientific computing, and engineering, including numerical partial and ordinary differential equations, numerical solutions of convolution-type integral equations, stationary autoregressive time series in statistics, minimal realization problems in control theory, system identification problems in signal processing, and image restoration problems in image processing. This practical book introduces current developments in using iterative methods for solving Toeplitz systems based on the preconditioned conjugate gradient method. The authors focus on the important aspects of iterative Toeplitz solvers and give special attention to the construction of efficient circulant preconditioners. Applications of iterative Toeplitz solvers to practical problems are addressed, enabling readers to use the book methods and algorithms to solve their own problems."

"ABTSRAKBeberapa permasalahan analisis numerik dapat disederhanakan menjadi permasalahan penyelesaian sistem persamaan linear AOC=b,dengan A?Am'a, xeRn, dan beRm. Untuk man, permasalahan persamaan ini merupakan permasalahan kuadrat terkecil yang mencari penyelesaian x dengan meminimumkan norm residu ||Ax-b|| Penelitian ini membahas sistem persamaan linear Toeplitz T. Metode-metode yang dipakai untuk menyelesaikan sistem persamaan linear ini adalah faktorisasi Cholesky, eliminasi Gauss, Conjugate Gradient, faktorisasi fast inverse QR, dan faktorisasi fast QR. Penelitian ini bertujuan untuk melihat efisiensi waktu proses dan keakuratan antara penyelesaian numerik yang diperoleh dengan penyelesaian eksak. Hasil percobaan menunjukkan bahwa metode-metode tersebut dapat dipakai untuk menyelesaikan persamaan linear dengan matriks T well-condition. Bila menggunakan matriks Toeplitz T ill-condition, maka metode Cholesky kurang akurat dibandingkan dengan keempat metode lainnya. Solusi paling cepat dan paling akurat dihasilkan oleh metode faktorisasi Fast QR."

"This book is the first to pay special attention to the combined issues of speed and numerical reliability in algorithm development. These two requirements have often been regarded as competitive, so much so that the design of fast and numerically reliable algorithms for large-scale structured systems of linear equations, in many cases, remains a significant open issue. Fast Reliable Algorithms for Matrices with Structure helps bridge this gap by providing the reader with recent contributions written by leading experts in the field.The authors deal with both the theory and the practice of fast numerical algorithms for large-scale structured linear systems. Each chapter covers in detail different aspects of the most recent trends in the theory of fast algorithms, with emphasis on implementation and application issues. Both direct and iterative methods are covered.This book is not merely a collection of articles. The editors have gone to considerable lengths to blend the individual papers into a consistent presentation. Each chapter exposes the reader to some of the most recent research while providing enough background material to put the work into proper context."

"Matrix functions are of growing interest due to their fascinating theory and the many applications in which they provide insight and succinct solutions. Functions of Matrices: Theory and Computation gives a thorough treatment of the theory of matrix functions and numerical methods for computing them, as well as an overview of applications."

"This unique book addresses advanced linear algebra from a perspective in which invariant subspaces are the central notion and main tool. It contains comprehensive coverage of geometrical, algebraic, topological, and analytic properties of invariant subspaces. The text lays clear mathematical foundations for linear systems theory and contains a thorough treatment of analytic perturbation theory for matrix functions."