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Author : Andreas Neubauer
Release : 1986
Genre : Convex sets
Kind : eBook
Book Rating : 378/5 ( reviews)
Book Synopsis Tikhonov-regularization of Ill-posed Linear Operator Equations on Closed Convex Sets by : Andreas Neubauer
Download or read book Tikhonov-regularization of Ill-posed Linear Operator Equations on Closed Convex Sets written by Andreas Neubauer. This book was released on 1986. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Valentin K. Ivanov
Release : 2013-02-18
Genre : Mathematics
Kind : eBook
Book Rating : 820/5 ( reviews)
Book Synopsis Theory of Linear Ill-Posed Problems and its Applications by : Valentin K. Ivanov
Download or read book Theory of Linear Ill-Posed Problems and its Applications written by Valentin K. Ivanov. This book was released on 2013-02-18. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is a revised and extended version of the Russian edition from 1978. It includes the general theory of linear ill-posed problems concerning e. g. the structure of sets of uniform regularization, the theory of error estimation, and the optimality method. As a distinguishing feature the book considers ill-posed problems not only in Hilbert but also in Banach spaces. It is natural that since the appearance of the first edition considerable progress has been made in the theory of inverse and ill-posed problems as wall as in ist applications. To reflect these accomplishments the authors included additional material e. g. comments to each chapter and a list of monographs with annotations.
Author : A.N. Tikhonov
Release : 2013-03-09
Genre : Mathematics
Kind : eBook
Book Rating : 80X/5 ( reviews)
Book Synopsis Numerical Methods for the Solution of Ill-Posed Problems by : A.N. Tikhonov
Download or read book Numerical Methods for the Solution of Ill-Posed Problems written by A.N. Tikhonov. This book was released on 2013-03-09. Available in PDF, EPUB and Kindle. Book excerpt: Many problems in science, technology and engineering are posed in the form of operator equations of the first kind, with the operator and RHS approximately known. But such problems often turn out to be ill-posed, having no solution, or a non-unique solution, and/or an unstable solution. Non-existence and non-uniqueness can usually be overcome by settling for `generalised' solutions, leading to the need to develop regularising algorithms. The theory of ill-posed problems has advanced greatly since A. N. Tikhonov laid its foundations, the Russian original of this book (1990) rapidly becoming a classical monograph on the topic. The present edition has been completely updated to consider linear ill-posed problems with or without a priori constraints (non-negativity, monotonicity, convexity, etc.). Besides the theoretical material, the book also contains a FORTRAN program library. Audience: Postgraduate students of physics, mathematics, chemistry, economics, engineering. Engineers and scientists interested in data processing and the theory of ill-posed problems.
Author : Grace Wahba
Release : 1981
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Constrained Regularization for Ill Posed Linear Operator Equations, with Applications in Meteorology and Medicine by : Grace Wahba
Download or read book Constrained Regularization for Ill Posed Linear Operator Equations, with Applications in Meteorology and Medicine written by Grace Wahba. This book was released on 1981. Available in PDF, EPUB and Kindle. Book excerpt: The relationship between certain regularization methods for solving ill posed linear operator equations and ridge methods in regression problems is described. The regularization estimates we describe may be viewed as ridge estimates in a (reproducing kernel) Hilbert space H. When the solution is known a priori to be in some closed, convex set in H, for example, the set of nonnegative functions, or the set of monotone functions, then one can propose regularized estimates subject to side conditions such as nonnegativity, monotonicity, etc. Some applications in medicine and meteorology are described. We describe the method of generalized cross validation for choosing the smoothing (or ridge) parameter in the presence of a family of linear inequality constraints. Some successful numerical examples, solving ill posed convolution equations with noisy data, subject to nonnegativity constraints, are presented. The technique appears to be quite successful in adding information, doing nearly the optimal amount of smoothing, and resolving distinct peaks in the solution which have been blurred by the convolution operation. (Author).
Author : V. V. Vasin
Release : 2013-02-18
Genre : Mathematics
Kind : eBook
Book Rating : 114/5 ( reviews)
Book Synopsis Ill-Posed Problems with A Priori Information by : V. V. Vasin
Download or read book Ill-Posed Problems with A Priori Information written by V. V. Vasin. This book was released on 2013-02-18. Available in PDF, EPUB and Kindle. Book excerpt: The Inverse and Ill-Posed Problems Series is a series of monographs publishing postgraduate level information on inverse and ill-posed problems for an international readership of professional scientists and researchers. The series aims to publish works which involve both theory and applications in, e.g., physics, medicine, geophysics, acoustics, electrodynamics, tomography, and ecology.
