INDEx OF AppLICATIONS
BIOLOGY AND LIFE SCIENCES
Age distribution vector, 378, 391, 392, 395
Age progression software, 180
Age transition matrix, 378, 391, 392, 395
Agriculture, 37, 50
Cosmetic surgery results simulation, 180
Duchenne muscular dystrophy, 365
Galloping speeds of animals, 276
Genetics, 365
Health care expenditures, 146
Heart rhythm analysis, 255
Hemophilia A, 365
Hereditary baldness, 365
Nutrition, 11
Population
of deer, 37
of laboratory mice, 91
of rabbits, 379
of sharks, 396
of small fish, 396
Population age and growth over time, 331
Population genetics, 365
Population growth, 378, 379, 391, 392,
395, 396, 398
Predator-prey relationship, 396
Red-green color blindness, 365
Reproduction rates of deer, 103
Sex-linked inheritance, 365
Spread of a virus, 91, 93
Vitamin C content, 11
Wound healing simulation, 180
X-linked inheritance, 365
BUSINESS AND ECONOMICS
Airplane allocation, 91
Borrowing money, 23
Demand, for a rechargeable power drill, 103
Demand matrix, external, 98
Economic system, 97, 98
of a small community, 103
Finance, 23
Fundraising, 92
Gasoline sales, 105
Industrial system, 102, 107
Input-output matrix, 97
Leontief input-output model(s), 97, 98, 103
Major League Baseball salaries, 107
Manufacturing
models and prices, 150
production levels, 51, 105
Net profit, Microsoft, 32
Output matrix, 98
labor and material costs, 105
fast-food stand, 242
Petroleum production, 292
Profit, from crops, 50
Purchase of a product, 91
Revenue
General Dynamics Corporation, 266, 276
Google, Inc., 291
Sales, 37
concession area, 42
Wal-Mart, 32
Sales promotion, 106
Satellite television service, 85, 86, 147
Software publishing, 143
telecommunications company, 242
software publishers, 143
stocks, 92
ENGINEERING AND TECHNOLOGY
Aircraft design, 79
Circuit design, 322
Computer graphics, 338
Computer monitors, 190
Control system, 314
Controllability matrix, 314
Cryptography, 94–96, 102, 107
Data encryption, 94
Decoding a message, 96, 102, 107
Digital signal processing, 172
Electrical network analysis, 30, 31, 34, 37,
150
Electronic equipment, 190
Encoding a message, 95, 102, 107
Encryption key, 94
Engineering and control, 130
Error checking
digit, 200
matrix, 200
Feed horn, 223
Global Positioning System, 16
Google’s Page Rank algorithm, 86
Image morphing and warping, 180
Information retrieval, 58
Internet search engine, 58
Ladder network, 322
Locating lost vessels at sea, 16
Movie special effects, 180
Network analysis, 29–34, 37
Radar, 172
Sampling, 172
Satellite dish, 223
Smart phones, 190
Televisions, 190
Wireless communications, 172
MATHEMATICS AND GEOMETRY
Adjoint of a matrix, 134, 135, 142, 146, 150
Collinear points in the xy-plane, 139, 143
Conic section(s), 226, 229
general equation, 141
rotation of axes, 221–224, 226, 229,
383–385, 392, 395
Constrained optimization, 389, 390, 392,
395
Contraction in R2, 337, 341, 342
Coplanar points in space, 140, 143
Cramer’s Rule, 130, 136, 137, 142, 143, 146
Cross product of two vectors, 277–280,
288, 289, 294
Differential equation(s)
linear, 218, 225, 226, 229
second order, 164
system of first order, 354, 380, 381,
391, 392, 395, 396, 398
Expansion in R2, 337, 341, 342, 345
Fibonacci sequence, 396
Fourier approximation(s), 285–287, 289, 292
Geometry of linear transformations in R2,
336–338, 341, 342, 345
linear, 282, 289, 292
Hessian matrix, 375
Jacobian, 145
Lagrange multiplier, 34
Laplace transform, 130
Least squares approximation(s), 281–284, 289
quadratic, 283, 289, 292
Linear programming, 47
Magnification in R2, 341, 342
Mathematical modeling, 273, 274, 276
Parabola passing through three points, 150
Partial fraction decomposition, 34, 37
Polynomial curve fitting, 25–28, 32, 34, 37
Quadratic form(s), 382–388, 392, 395, 398
Quadric surface, rotation of, 388, 392
Reflection in R2, 336, 341, 342, 345, 346
Relative maxima and minima, 375
Rotation
Second Partials Test for relative extrema, 375
Shear in R2, 337, 338, 341, 342, 345
Taylor polynomial of degree 1, 282
Three-point form of the equation of a plane,
in R2, 303, 343, 393, 397
in R3, 339, 340, 342, 345
141, 143, 146
Translation in R2, 308, 343
Triple scalar product, 288
Two-point form of the equation of a line,
139, 143, 146, 150
Unit circle, 253
Wronskian, 219, 225, 226, 229
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
pHYSICAL SCIENCES
Acoustical noise levels, 28
Airplane speed, 11
Area
of a parallelogram using cross product,
279, 280, 288, 294
of a triangle
using cross product, 289
using determinants, 138, 142, 146,
150
Astronomy, 27, 274
Balancing a chemical equation, 4
Beam deflection, 64, 72
Chemical
changing state, 91
mixture, 37
reaction, 4
Comet landing, 141
Computational fluid dynamics, 79
Crystallography, 213
Degree of freedom, 164
Diffusion, 354
Dynamical systems, 396
Earthquake monitoring, 16
Electric and magnetic flux, 240
Flexibility matrix, 64, 72
Force
matrix, 72
Geophysics, 172
Grayscale, 190
Hooke’s Law, 64
Kepler’s First Law of Planetary Motion, 141
Kirchhoff’s Laws, 30, 322
Lattice of a crystal, 213
Mass-spring system, 164, 167
Mean distance from the sun, 27, 274
Natural frequency, 164
to pull an object up a ramp, 157
Newton’s Second Law of Motion, 164
Ohm’s Law, 322
Pendulum, 225
Planetary periods, 27, 274
Primary additive colors, 190
RGB color model, 190
Stiffness matrix, 64, 72
Temperature, 34
Torque, 277
Traffic flow, 28, 33
Undamped system, 164
Unit cell, 213
end-centered monoclinic, 213
Vertical motion, 37
Volume
of a parallelepiped, 288, 289, 292
of a tetrahedron, 114, 140, 143
Water flow, 33
Wind energy consumption, 103
Work, 248
SOCIAL SCIENCES AND
DEMOGRApHICS
Caribbean Cruise, 106
Cellular phone subscribers, 107
Consumer preference model, 85, 86, 92, 147
Final grades, 105
Grade distribution, 92
Master’s degrees awarded, 276
Politics, voting apportionment, 51
Population
of consumers, 91
regions of the United States, 51
of smokers and nonsmokers, 91
United States, 32
world, 273
Population migration, 106
Smokers and nonsmokers, 91
Sports
activities, 91
Super Bowl I, 36
Television watching, 91
Test scores, 108
line, 100, 103, 107, 271, 274, 276, 296
STATISTICS AND pROBABILITY
Canonical regression analysis, 304
Least squares regression
analysis, 99–101, 103, 107, 265, 271–276
cubic polynomial, 276
quadratic polynomial, 273, 276
Leslie matrix, 331, 378
Markov chain, 85, 86, 92, 93, 106
absorbing, 89, 90, 92, 93, 106
Multiple regression analysis, 304
Multivariate statistics, 304
State matrix, 85, 106, 147, 331
Steady state probability vector, 386
Stochastic matrices, 84–86, 91–93, 106, 331
MISCELLANEOUS
Architecture, 388
Catedral Metropolitana Nossa Senhora
Aparecida, 388
Chess tournament, 93
Classified documents, 106
Determining directions, 16
Dominoes, A2
Flight crew scheduling, 47
Sudoku, 120
Tips, 23
U.S. Postal Service, 200
ZIP + 4 barcode, 200
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Elementary Linear Algebra
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Elementary Linear Algebra
8e
Ron Larson
The Pennsylvania State University
The Behrend College
Australia • Brazil • Mexico • Singapore • United Kingdom • United States
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
This is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial
review has deemed that any suppressed content does not materially affect the overall learning experience. The publisher reserves the right to
remove content from this title at any time if subsequent rights restrictions require it. For valuable information on pricing, previous
editions, changes to current editions, and alternate formats, please visit www.cengage.com/highered to search by
ISBN#, author, title, or keyword for materials in your areas of interest.
Important Notice: Media content referenced within the product description or the product text may not be available in the eBook version.
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
© 2017, 2013, 2009 Cengage Learning
WCN: 02-200-203
ALL RIGHTS RESERVED. No part of this work covered by the copyright
herein may be reproduced, transmitted, stored, or used in any form or by
any means graphic, electronic, or mechanical, including but not limited
to photocopying, recording, scanning, digitizing, taping, Web distribution,
information networks, or information storage and retrieval systems,
except as permitted under Section 107 or 108 of the 1976 United States
Copyright Act, without the prior written permission of the publisher.
For product information and technology assistance, contact us at
Cengage Learning Customer & Sales Support, 1-800-354-9706.
For permission to use material from this text or product,
submit all requests online at www.cengage.com/permissions.
Further permissions questions can be e-mailed to
permissionrequest@cengage.com.
Library of Congress Control Number: 2015944033
Student Edition
ISBN: 978-1-305-65800-4
Loose-leaf Edition
ISBN: 978-1-305-95320-8
Cengage Learning
20 Channel Center Street
Boston, MA 02210
USA
Cengage Learning is a leading provider of customized learning solutions
with employees residing in nearly 40 different countries and sales in
more than 125 countries around the world. Find your local representative
at www.cengage.com.
Cengage Learning products are represented in Canada by Nelson
Education, Ltd.
To learn more about Cengage Learning Solutions, visit www.cengage.com.
Purchase any of our products at your local college store or at our
preferred online store www.cengagebrain.com.
Elementary Linear Algebra
Eighth Edition
Ron Larson
Product Director: Terry Boyle
Product Manager: Richard Stratton
Content Developer: Spencer Arritt
Product Assistant: Kathryn Schrumpf
Marketing Manager: Ana Albinson
Content Project Manager: Jennifer Risden
Manufacturing Planner: Doug Bertke
Production Service: Larson Texts, Inc.
Photo Researcher: Lumina Datamatics
Text Researcher: Lumina Datamatics
Text Designer: Larson Texts, Inc.
Cover Designer: Larson Texts, Inc.
Cover Image: Keo/Shutterstock.com
Compositor: Larson Texts, Inc.
Printed in the United States of America
Print Number: 01 Print Year: 2015
Copyright 2017 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.