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Title: Linear Algebra and Its Applications (3rd Edition) by David C. Lay ISBN: 0-201-70970-8 Publisher: Pearson Addison Wesley Pub. Date: 18 July, 2002 Format: Hardcover Volumes: 1 List Price(USD): $108.00 |
Average Customer Rating: 3.97 (30 reviews)
Rating: 4
Summary: A Decent Reference Tool for Economists
Comment: Lay presents here a basic textbook on linear algebra. Topics covered include matrices, determinants, vector spaces, eigenvalues & eigenvectors, and orthogonality. As a student of economics, I was happy to see that a few of the applications of linear algebra presented are related to economics and statistics (the Leontief Input-Output Model in Chapter 2, for example).
When I first encountered this book in an undergraduate matrix algebra course, I found it to be quite accessible despite my liberal arts background. More recently, since I have been a graduate student, the book has proven to be a decent reference for the basics of linear algebra, although I wish it covered projections in more detail -- particularly non-orthogonal projections.
From an economist's point of view, I would sum this book up as follows: it covers enough material to address linear algebra concepts needed in a first-year graduate microeconomics course, but not enough for a first-year graduate econometrics course.
Rating: 5
Summary: Very Readable Text
Comment: I used this as the textbook for an undergraduate course in Linear Algebra. It was by far the most reader-friendly math book I've ever had the pleasure of using. The book explains Linear Algebra in plain, easy-to-read english. Each section of each chapter is very clear and to-the-point. The examples are helpful and well-placed in the chapters. I attribute getting an 'A' in that class to this text.
One word of advise however... the study guide for this text comes in handy at numerous points of the book. It's not needed, but strongly advised. Other than that, the book is great! I only wish that I had a calculus book that well written.
Rating: 4
Summary: Good introductory book- Math students may want more
Comment: This book presents, in a reasonably clear manner, the concepts, formulas, and theorems related to linear algebra. Examples of linear algebra in economics and engineering help solidify these concepts. However, the book does not cover several types of matricies. For example, an assignment involved a population-change question involving Leslie matricies. Unfortunately, the Leslie matrix is not covered anywhere in the book. It would also be desirable to have a summary of the Invertible Matrix Theorem. Instead, the various parts of this theorem are scattered throughout the book. Otherwise, however, this book serves its purpose well- as an introduction to linear algebra.More advanced students will want a text with more thorough coverage.
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Title: Students Study Guide by LAY ISBN: 020177013X Publisher: Pearson Higher Education Pub. Date: 02 January, 2003 |
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Title: Linear Algebra and Its Applications: Study Guide (update) by Davic C. Lay ISBN: 0201648474 Publisher: Pearson Addison Wesley Pub. Date: August, 1999 List Price(USD): $18.20 |
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Title: Elementary Number Theory and Its Applications (4th Edition) by Kenneth H. Rosen ISBN: 0201870738 Publisher: Pearson Addison Wesley Pub. Date: 06 January, 2000 List Price(USD): $116.00 |
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Title: Elementary Differential Equations and Boundary Value Problems by William E. Boyce, Richard C. DiPrima ISBN: 0471319996 Publisher: Wiley Text Books Pub. Date: 21 July, 2000 List Price(USD): $111.95 |
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Title: Journey into Mathematics, A: An Introduction to Proofs by Joseph J. Rotman ISBN: 0138423601 Publisher: Prentice Hall Pub. Date: 13 August, 1997 List Price(USD): $76.00 |
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