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Rank-Deficient and Discrete III-Posed Problems
Numerical Aspects of Linear Inversion
Taschenbuch von Per Christian Hansen
Sprache: Englisch

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Beschreibung
An overview of modern computational stabilization methods for linear inversion: applications to audio processing, medical imaging, seismology and other areas.
An overview of modern computational stabilization methods for linear inversion: applications to audio processing, medical imaging, seismology and other areas.
Inhaltsverzeichnis
Preface; Symbols and Acronyms; 1. Setting the Stage. Problems With Ill-Conditioned Matrices; Ill-Posed and Inverse Problems; Prelude to Regularization; Four Test Problems; 2. Decompositions and Other Tools. The SVD and its Generalizations; Rank-Revealing Decompositions; Transformation to Standard Form; Computation of the SVE; 3. Methods for Rank-Deficient Problems. Numerical Rank; Truncated SVD and GSVD; Truncated Rank-Revealing Decompositions; Truncated Decompositions in Action; 4. Problems with Ill-Determined Rank. Characteristics of Discrete Ill-Posed Problems; Filter Factors; Working with Seminorms; The Resolution Matrix, Bias, and Variance; The Discrete Picard Condition; L-Curve Analysis; Random Test Matrices for Regularization Methods; The Analysis Tools in Action; 5. Direct Regularization Methods. Tikhonov Regularization; The Regularized General Gauss-Markov Linear Model; Truncated SVD and GSVD Again; Algorithms Based on Total Least Squares; Mollifier Methods; Other Direct Methods; Characterization of Regularization Methods; Direct Regularization Methods in Action; 6. Iterative Regularization Methods. Some Practicalities; Classical Stationary Iterative Methods; Regularizing CG Iterations; Convergence Properties of Regularizing CG Iterations; The LSQR Algorithm in Finite Precision; Hybrid Methods; Iterative Regularization Methods in Action; 7. Parameter-Choice Methods. Pragmatic Parameter Choice; The Discrepancy Principle; Methods Based on Error Estimation; Generalized Cross-Validation; The L-Curve Criterion; Parameter-Choice Methods in Action; Experimental Comparisons of the Methods; 8. Regularization Tools; Bibliography; Index.
Details
Erscheinungsjahr: 1987
Genre: Importe, Informatik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9780898714036
ISBN-10: 0898714036
Sprache: Englisch
Einband: Kartoniert / Broschiert
Autor: Hansen, Per Christian
Hersteller: Society for Industrial and Applied Mathematics (SIAM)
Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, D-36244 Bad Hersfeld, gpsr@libri.de
Maße: 255 x 179 x 13 mm
Von/Mit: Per Christian Hansen
Erscheinungsdatum: 01.01.1987
Gewicht: 0,514 kg
Artikel-ID: 132517907
Inhaltsverzeichnis
Preface; Symbols and Acronyms; 1. Setting the Stage. Problems With Ill-Conditioned Matrices; Ill-Posed and Inverse Problems; Prelude to Regularization; Four Test Problems; 2. Decompositions and Other Tools. The SVD and its Generalizations; Rank-Revealing Decompositions; Transformation to Standard Form; Computation of the SVE; 3. Methods for Rank-Deficient Problems. Numerical Rank; Truncated SVD and GSVD; Truncated Rank-Revealing Decompositions; Truncated Decompositions in Action; 4. Problems with Ill-Determined Rank. Characteristics of Discrete Ill-Posed Problems; Filter Factors; Working with Seminorms; The Resolution Matrix, Bias, and Variance; The Discrete Picard Condition; L-Curve Analysis; Random Test Matrices for Regularization Methods; The Analysis Tools in Action; 5. Direct Regularization Methods. Tikhonov Regularization; The Regularized General Gauss-Markov Linear Model; Truncated SVD and GSVD Again; Algorithms Based on Total Least Squares; Mollifier Methods; Other Direct Methods; Characterization of Regularization Methods; Direct Regularization Methods in Action; 6. Iterative Regularization Methods. Some Practicalities; Classical Stationary Iterative Methods; Regularizing CG Iterations; Convergence Properties of Regularizing CG Iterations; The LSQR Algorithm in Finite Precision; Hybrid Methods; Iterative Regularization Methods in Action; 7. Parameter-Choice Methods. Pragmatic Parameter Choice; The Discrepancy Principle; Methods Based on Error Estimation; Generalized Cross-Validation; The L-Curve Criterion; Parameter-Choice Methods in Action; Experimental Comparisons of the Methods; 8. Regularization Tools; Bibliography; Index.
Details
Erscheinungsjahr: 1987
Genre: Importe, Informatik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9780898714036
ISBN-10: 0898714036
Sprache: Englisch
Einband: Kartoniert / Broschiert
Autor: Hansen, Per Christian
Hersteller: Society for Industrial and Applied Mathematics (SIAM)
Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, D-36244 Bad Hersfeld, gpsr@libri.de
Maße: 255 x 179 x 13 mm
Von/Mit: Per Christian Hansen
Erscheinungsdatum: 01.01.1987
Gewicht: 0,514 kg
Artikel-ID: 132517907
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