by R. Fletcher
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Product Description
Fully describes optimization methods that are currently most valuable in solving real-life problems. Since optimization has applications in almost every branch of science and technology, the text emphasizes their practical aspects in conjunction with the heuristics useful in making them perform more reliably and efficiently. To this end, it presents comparative numerical studies to give readers a feel for possibile applications and to illustrate the problems in assessing evidence. Also provides theoretical background which provides insights into how methods are derived. This edition offers revised coverage of basic theory and standard techniques, with updated discussions of line search methods, Newton and quasi-Newton methods, and conjugate direction methods, as well as a comprehensive treatment of restricted step or trust region methods not commonly found in the literature. Also includes recent developments in hybrid methods for nonlinear least squares; an extended discussion of linear programming, with new methods for stable updating of LU factors; and a completely new section on network programming. Chapters include computer subroutines, worked examples, and study questions.
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Average Customer Review:
0 of 0 people found the following review helpful:
Invaluable insight, 2008-06-28
This book is a great mix of insight and rigor. The text is mixed with mathematical propositions/proofs and a lively writing style. The proofs aren't gratuitous, as opposed to most texts, but meant to build insight and demonstrate properties of algorithms. After each proof Fletcher doesn't meander in the weeds of the math, but he takes a step back and provides insight about WHAT this means for a particular algorithm.
Fletcher then highlights the algorithms by bringing in his own experience and provides insight on how the algorithms work on real problems, not just what the theory says. He writes that many algorithms, including several developed by him, are inferior to other variants on real-world problems. (Fletcher is the "F" in BFGS, DFP, and Fletcher-Reeves conjugate gradient.)
This coupling of mathematical rigor with candid insight makes this book invaluable.
On the negative side, I have found (as others have noted) a few typos, including a couple obvious ones in the pseudocode. This book is meant "to teach a man to fish," not "give a man a fish." So, if you're looking for something like Numerical Recipes that gives you verbatim software to type into your computer, then Fletcher's book isn't for you. However, after digesting Fletcher's math and insight, I have been able to reduce the computation of my (formerly NR-based) codes by an order of magnitude on some standard-battery optimizations.
0 of 0 people found the following review helpful:
Best book, 2007-02-14
Still the best book on numerical optimization 30 years after it was written.
1 of 1 people found the following review helpful:
Excellent intermediate resource, 2006-09-13
This book is very thorough in its treatment of select nonlinear programming techniques for both unconstrained and constrained problems. The author provides an in-depth coverage of several useful methods, including newton, quasi-newton, least-squares, penalty, augmented lagrangian, quadratic, SQP, and even discontinuous nonlinear programming. Much emphasis is placed upon various quadratic approximation methods. It should be noted that several other well-known methods are not treated in any significant detail. The author seems to have made a conscious choice to concentrate on a set of core techniques at the expense of some others. In my view, this decision makes this book an excellent reference for those wishing to better understand the nuances and implementation details for the chosen methods. For the same reason, this book is probably not as well-suited as an introduction to the broader range of optimization methods. Since there are plenty of other books to choose from for this purpose, the author's choice to focus on some core methods enables his book to stand apart quite uniquely.
While the book's content is excellent, the presentation could be improved somewhat. More examples and illustrations would help on this count, as would a better arrangement of headings and sub-headings. Since it appears that the author's intended audience are those who already have some primary knowledge of the field, this shortcoming is not significant. This is a book designed to take such readers to the next level, which it does quite well.
7 of 8 people found the following review helpful:
A classic and must-have for researchers using optimization, 2004-12-16
I recommend this book for anybody needing to learn the basics of optimization as well as a reference for people already in the field. Dr. Fletcher covers the basics, advantages, and disadvantages of optimization methods capitalizing on his long experience on the field. I find the book to be clearly written and easy to follow. Although notation is clearly explained when introduced, the author gives a notation summary at the begining of the book. This makes the book usefull as a learning as well as a reference. Although the book has not changed since the second edition, the optimization methods it describes are still the most-widely-applicable ones.
13 of 14 people found the following review helpful:
Paperback reprint of 2nd Ed. from 1987, 2002-06-13
This is a good book from an award winning author and researcher in this subject. However, the 2000 publication date shown refers to the release of the paperback version. There is no new content since 1987 when the 2nd ed. was originally published in hardcover.I prefer Dennis and Schnabel's _Numerical Methods for Unconstrained Optimization and Nonlinear Equations_ for Newton-derived methods in unconstrained optimization, but Fletcher's book has the added material on constrained optimization (Part 2) that makes it more complete if one wants a single reference that covers the gamut of optimization.
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