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Books : Linear Algebra and Its Applications (3rd Edition)

by: David C. Lay

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Amazon.com's Price: $108.00
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Used Price: $45.99
Collectible Price: $69.95
Third Party New Price: $48.45

Availability: Usually ships within 3 to 6 days

Sales Rank: 318,210
Release Date: 18 July, 2002
Media: Hardcover
Manufacturer: Pearson Addison Wesley

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Customer Reviews

Average Rating: 3.97 out of 5 stars

Rating:

- A Decent Reference Tool for Economists
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 ... Read More

Rating:

- Good introductory book- Math students may want more
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.

Rating:

- Not bad for a math book!
As a college student, I'm really no fan of reading my math texts; often they're incomprehensible and frustrating. But this text is clear and understandable. The only thing I find aggravating is the lack of help given on the true/false problems - even the study guide seems lacking in this area.

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