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Nonlinear Least Squares for Inverse Problems: Theoretical Foundations and Step-by-Step Guide for Applications - Scientific Computation (Paperback)
  • Nonlinear Least Squares for Inverse Problems: Theoretical Foundations and Step-by-Step Guide for Applications - Scientific Computation (Paperback)
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Nonlinear Least Squares for Inverse Problems: Theoretical Foundations and Step-by-Step Guide for Applications - Scientific Computation (Paperback)

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£108.00
Paperback 360 Pages / Published: 14/03/2012
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The domain of inverse problems has experienced a rapid expansion, driven by the increase in computing power and the progress in numerical modeling. When I started working on this domain years ago, I became somehow fr- tratedtoseethatmyfriendsworkingonmodelingwhereproducingexistence, uniqueness, and stability results for the solution of their equations, but that I was most of the time limited, because of the nonlinearity of the problem, to provethatmyleastsquaresobjectivefunctionwasdi?erentiable....Butwith my experience growing, I became convinced that, after the inverse problem has been properly trimmed, the ?nal least squares problem, the one solved on the computer, should be Quadratically (Q)-wellposed,thatis,both we- posed and optimizable: optimizability ensures that a global minimizer of the least squares function can actually be found using e?cient local optimization algorithms, and wellposedness that this minimizer is stable with respect to perturbation of the data. But the vast majority of inverse problems are nonlinear, and the clas- cal mathematical tools available for their analysis fail to bring answers to these crucial questions: for example, compactness will ensure existence, but provides no uniqueness results, and brings no information on the presence or absenceofparasiticlocalminimaorstationarypoints....

Publisher: Springer
ISBN: 9789400730601
Number of pages: 360
Weight: 575 g
Dimensions: 235 x 155 x 19 mm
Edition: 2010 ed.


MEDIA REVIEWS

From the reviews:

"This comprehensive treatise on the nonlinear inverse problem, written by a mathematician with extensive experience in exploration geophysics, deals primarily with the nonlinear least squares (NLS) methods to solve such problems. ... Chavent has authored a book with appeal to both the practitioner of the arcane art of NLS inversion as well as to the theorist seeking a rigorous and formal development of what is currently known about this subject." (Sven Treitel, The Leading Edge, April, 2010)

"The book is organized so that readers interested in the more practical aspects can easily dip into the appropriate chapters of the book without having to work through the more theoretical details. ... is recommended for readers who are interested in applying the OLS approach to nonlinear inverse problems. ... This material is relatively accessible even to readers without a very strong background in analysis. The book will also be of interest to readers who want to learn more about ... quasi-convex sets and Q-wellposedness." (Brain Borchers, The Mathematical Association of America, July, 2010)

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