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Elementary linear algebra : Metric version PDF

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Elementary N LINEAR O ALGEBR A I S  EIGHTH EDITION METRIC VERSION R E V C I R T E M Ron Larson Larson_9781337556217_se_Cov.indd 1 12/15/16 2:47 PM INDEX OF APPLICATIONS BIOLOGY AND LIFE SCIENCES Petroleum production, 292 MATHEMATICS AND GEOMETRY Age distribution vector, 378, 391, 392, 395 Profit, from crops, 50 Adjoint of a matrix, 134, 135, 142, 146, 150 Age progression software, 180 Purchase of a product, 91 Collinear points in the xy-plane, 139, 143 Age transition matrix, 378, 391, 392, 395 Revenue Conic section(s), 226, 229 Agriculture, 37, 50 fast-food stand, 242 general equation, 141 Cosmetic surgery results simulation, 180 General Dynamics Corporation, 266, 276 rotation of axes, 221–224, 226, 229, Duchenne muscular dystrophy, 365 Google, Inc., 291 383–385, 392, 395 Galloping speeds of animals, 276 telecommunications company, 242 Constrained optimization, 389, 390, 392, Genetics, 365 software publishers, 143 395 Health care expenditures, 146 Sales, 37 Contraction in R2, 337, 341, 342 Heart rhythm analysis, 255 concession area, 42 Coplanar points in space, 140, 143 Hemophilia A, 365 stocks, 92 Cramer’s Rule, 130, 136, 137, 142, 143, 146 Hereditary baldness, 365 Wal-Mart, 32 Cross product of two vectors, 277–280, Nutrition, 11 Sales promotion, 106 288, 289, 294 Population Satellite television service, 85, 86, 147 Differential equation(s) of deer, 37 Software publishing, 143 linear, 218, 225, 226, 229 second order, 164 of laboratory mice, 91 system of first order, 354, 380, 381, of rabbits, 379 ENGINEERING AND TECHNOLOGY 391, 392, 395, 396, 398 of sharks, 396 Aircraft design, 79 Expansion in R2, 337, 341, 342, 345 of small fish, 396 Circuit design, 322 Fibonacci sequence, 396 Population age and growth over time, 331 Computer graphics, 338 Fourier approximation(s), 285–287, 289, 292 Population genetics, 365 Computer monitors, 190 Geometry of linear transformations in R2, Population growth, 378, 379, 391, 392, Control system, 314 336–338, 341, 342, 345 395, 396, 398 Controllability matrix, 314 Hessian matrix, 375 Predator-prey relationship, 396 Cryptography, 94–96, 102, 107 Jacobian, 145 Red-green color blindness, 365 Data encryption, 94 Lagrange multiplier, 34 Reproduction rates of deer, 103 Decoding a message, 96, 102, 107 Laplace transform, 130 Sex-linked inheritance, 365 Digital signal processing, 172 Least squares approximation(s), 281–284, 289 Spread of a virus, 91, 93 Electrical network analysis, 30, 31, 34, 37, linear, 282, 289, 292 Vitamin C content, 11 quadratic, 283, 289, 292 150 Wound healing simulation, 180 Linear programming, 47 Electronic equipment, 190 X-linked inheritance, 365 Magnification in R2, 341, 342 Encoding a message, 95, 102, 107 Mathematical modeling, 273, 274, 276 Encryption key, 94 Parabola passing through three points, 150 BUSINESS AND ECONOMICS Engineering and control, 130 Partial fraction decomposition, 34, 37 Airplane allocation, 91 Error checking Polynomial curve fitting, 25–28, 32, 34, 37 Borrowing money, 23 digit, 200 Quadratic form(s), 382–388, 392, 395, 398 Demand, for a rechargeable power drill, 103 matrix, 200 Quadric surface, rotation of, 388, 392 Demand matrix, external, 98 Feed horn, 223 Reflection in R2, 336, 341, 342, 345, 346 Economic system, 97, 98 Global Positioning System, 16 Relative maxima and minima, 375 of a small community, 103 Google’s Page Rank algorithm, 86 Rotation Finance, 23 Image morphing and warping, 180 in R2, 303, 343, 393, 397 Fundraising, 92 Information retrieval, 58 in R3, 339, 340, 342, 345 Gasoline sales, 105 Internet search engine, 58 Second Partials Test for relative extrema, 375 Industrial system, 102, 107 Ladder network, 322 Shear in R2, 337, 338, 341, 342, 345 Input-output matrix, 97 Locating lost vessels at sea, 16 Taylor polynomial of degree 1, 282 Leontief input-output model(s), 97, 98, 103 Movie special effects, 180 Three-point form of the equation of a plane, Major League Baseball salaries, 107 Network analysis, 29–34, 37 141, 143, 146 Manufacturing Radar, 172 Translation in R2, 308, 343 labor and material costs, 105 Sampling, 172 Triple scalar product, 288 models and prices, 150 Satellite dish, 223 Two-point form of the equation of a line, production levels, 51, 105 Smart phones, 190 139, 143, 146, 150 Net profit, Microsoft, 32 Televisions, 190 Unit circle, 253 Output matrix, 98 Wireless communications, 172 Wronskian, 219, 225, 226, 229 Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 PHYSICAL SCIENCES Newton’s Second Law of Motion, 164 Smokers and nonsmokers, 91 Ohm’s Law, 322 Sports Acoustical noise levels, 28 Pendulum, 225 activities, 91 Airplane speed, 11 Planetary periods, 27, 274 Super Bowl I, 36 Area Primary additive colors, 190 Television watching, 91 of a parallelogram using cross product, RGB color model, 190 Test scores, 108 279, 280, 288, 294 Stiffness matrix, 64, 72 of a triangle Temperature, 34 using cross product, 289 STATISTICS AND PROBABILITY Torque, 277 using determinants, 138, 142, 146, Canonical regression analysis, 304 Traffic flow, 28, 33 150 Least squares regression Undamped system, 164 Astronomy, 27, 274 analysis, 99–101, 103, 107, 265, 271–276 Unit cell, 213 Balancing a chemical equation, 4 cubic polynomial, 276 end-centered monoclinic, 213 Beam deflection, 64, 72 line, 100, 103, 107, 271, 274, 276, 296 Vertical motion, 37 Chemical quadratic polynomial, 273, 276 Volume changing state, 91 Leslie matrix, 331, 378 of a parallelepiped, 288, 289, 292 mixture, 37 Markov chain, 85, 86, 92, 93, 106 of a tetrahedron, 114, 140, 143 reaction, 4 absorbing, 89, 90, 92, 93, 106 Water flow, 33 Comet landing, 141 Multiple regression analysis, 304 Wind energy consumption, 103 Computational fluid dynamics, 79 Multivariate statistics, 304 Work, 248 Crystallography, 213 State matrix, 85, 106, 147, 331 Degree of freedom, 164 Steady state probability vector, 386 Diffusion, 354 SOCIAL SCIENCES AND Stochastic matrices, 84–86, 91–93, 106, 331 Dynamical systems, 396 DEMOGRAPHICS Earthquake monitoring, 16 Electric and magnetic flux, 240 Caribbean Cruise, 106 MISCELLANEOUS Flexibility matrix, 64, 72 Cellular phone subscribers, 107 Architecture, 388 Force Consumer preference model, 85, 86, 92, 147 Catedral Metropolitana Nossa Senhora matrix, 72 Final grades, 105 Aparecida, 388 to pull an object up a ramp, 157 Grade distribution, 92 Chess tournament, 93 Geophysics, 172 Master’s degrees awarded, 276 Classified documents, 106 Grayscale, 190 Politics, voting apportionment, 51 Determining directions, 16 Hooke’s Law, 64 Population Dominoes, A2 Kepler’s First Law of Planetary Motion, 141 of consumers, 91 Flight crew scheduling, 47 Kirchhoff’s Laws, 30, 322 regions of the United States, 51 Sudoku, 120 Lattice of a crystal, 213 of smokers and nonsmokers, 91 Tips, 23 Mass-spring system, 164, 167 United States, 32 U.S. Postal Service, 200 Mean distance from the sun, 27, 274 world, 273 ZIP + 4 barcode, 200 Natural frequency, 164 Population migration, 106 Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 Elementary Linear Algebra 8e Metric Version Ron Larson The Pennsylvania State University The Behrend College Australia • Brazil • Mexico • Singapore • United Kingdom • United States Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 Elementary Linear Algebra, Eighth Edition, Metric Version © 2017 Cengage Learning Ron Larson 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 Metric Version Prepared by Larson Texts, Inc. any means except as permitted by U.S. copyright law, without the prior written permission of the copyright owner. International Product Director, Global Editions: Timothy L. Anderson International Services Specialist: Collette Allen For permission to use material from this text or product, submit all requests online at www.cengage.com/permissions. International Markets Coordinator: Tori Sitcawich Further permissions questions can be e-mailed to Product Assistant: Teresa Versaggi [email protected]. Director, Production: Samantha Ross Miller Content Project Manager: Rebecca Donahue ISBN: 978-1-337-55621-7 Production Service/Compositor: Larson Texts, Inc. Senior Art Director: Vernon Boes Cengage Learning International Offices Cover Designer: Denise Davidson Asia Australia/New Zealand Cover Image: qui jun peng/Shutterstock.com www.cengageasia.com www.cengage.com.au Intellectual Property Analyst: Brittani Morgan tel: (65) 6410 1200 tel: (61) 3 9685 4111 Manager, Global IP Integration: Eleanor Rummer Brazil India Manufacturing Planner: Doug Bertke www.cengage.com.br www.cengage.co.in tel: (55) 11 3665 9900 tel: (91) 11 4364 1111 Latin America UK/Europe/Middle East/ www.cengage.com/mx Africa tel: (52) 55 1500 6000 www.cengage.co.uk tel: (44) 0 1264 332 424 Represented in Canada by Nelson Education, Ltd. tel: (416) 752 9100 / (800) 668 0671 www.nelson.com Cengage Learning is a leading provider of customized learning solutions with office locations around the globe, including Singapore, the United Kingdom, Australia, Mexico, Brazil, and Japan. Locate your local office at www.cengage.com/global. For product infomration: www.cengage.com/international Visit your local office: www.cengage.com/global Visit our corporate office: www.cengage.com QR is a registered trademark of Denso Wave Incorporated Printed in China Print Number: 01 Print Year: 2016 Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 Contents 1 Systems of Linear Equations 1 1.1 Introduction to Systems of Linear Equations 2 1.2 Gaussian Elimination and Gauss-Jordan Elimination 13 1.3 Applications of Systems of Linear Equations 25 Review Exercises 35 Project 1 Graphing Linear Equations 38 Project 2 Underdetermined and Overdetermined Systems 38 2 Matrices 39 2.1 Operations with Matrices 40 2.2 Properties of Matrix Operations 52 2.3 The Inverse of a Matrix 62 2.4 Elementary Matrices 74 2.5 Markov Chains 84 2.6 More Applications of Matrix Operations 94 Review Exercises 104 Project 1 Exploring Matrix Multiplication 108 Project 2 Nilpotent Matrices 108 3 Determinants 109 3.1 The Determinant of a Matrix 110 3.2 Determinants and Elementary Operations 118 3.3 Properties of Determinants 126 3.4 Applications of Determinants 134 Review Exercises 144 Project 1 Stochastic Matrices 147 Project 2 The Cayley-Hamilton Theorem 147 Cumulative Test for Chapters 1–3 149 4 Vector Spaces 151 4.1 Vectors in Rn 152 4.2 Vector Spaces 161 4.3 Subspaces of Vector Spaces 168 4.4 Spanning Sets and Linear Independence 175 4.5 Basis and Dimension 186 4.6 Rank of a Matrix and Systems of Linear Equations 195 4.7 Coordinates and Change of Basis 208 4.8 Applications of Vector Spaces 218 Review Exercises 227 Project 1 Solutions of Linear Systems 230 Project 2 Direct Sum 230 v Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 vi Contents 5 Inner Product Spaces 231 5.1 Length and Dot Product in Rn 232 5.2 Inner Product Spaces 243 5.3 Orthonormal Bases: Gram-Schmidt Process 254 5.4 Mathematical Models and Least Squares Analysis 265 5.5 Applications of Inner Product Spaces 277 Review Exercises 290 Project 1 The QR-Factorization 293 Project 2 Orthogonal Matrices and Change of Basis 294 Cumulative Test for Chapters 4 and 5 295 6 Linear Transformations 297 6.1 Introduction to Linear Transformations 298 6.2 The Kernel and Range of a Linear Transformation 309 6.3 Matrices for Linear Transformations 320 6.4 Transition Matrices and Similarity 330 6.5 Applications of Linear Transformations 336 Review Exercises 343 Project 1 Reflections in R2 (I) 346 Project 2 Reflections in R2 (II) 346 7 Eigenvalues and Eigenvectors 347 7.1 Eigenvalues and Eigenvectors 348 7.2 Diagonalization 359 7.3 Symmetric Matrices and Orthogonal Diagonalization 368 7.4 Applications of Eigenvalues and Eigenvectors 378 Review Exercises 393 Project 1 Population Growth and Dynamical Systems (I) 396 Project 2 The Fibonacci Sequence 396 Cumulative Test for Chapters 6 and 7 397 8 Complex Vector Spaces (online)* 8.1 Complex Numbers 8.2 Conjugates and Division of Complex Numbers 8.3 Polar Form and DeMoivre’s Theorem 8.4 Complex Vector Spaces and Inner Products 8.5 Unitary and Hermitian Matrices Review Exercises Project 1 The Mandelbrot Set Project 2 Population Growth and Dynamical Systems (II) Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 Contents vii 9 Linear Programming (online)* 9.1 Systems of Linear Inequalities 9.2 Linear Programming Involving Two Variables 9.3 The Simplex Method: Maximization 9.4 The Simplex Method: Minimization 9.5 The Simplex Method: Mixed Constraints Review Exercises Project 1 Beach Sand Replenishment (I) Project 2 Beach Sand Replenishment (II) 10 Numerical Methods (online)* 10.1 Gaussian Elimination with Partial Pivoting 10.2 Iterative Methods for Solving Linear Systems 10.3 Power Method for Approximating Eigenvalues 10.4 Applications of Numerical Methods Review Exercises Project 1 The Successive Over-Relaxation (SOR) Method Project 2 United States Population Appendix A1 Mathematical Induction and Other Forms of Proofs Answers to Odd-Numbered Exercises and Tests A7 Index A41 Technology Guide* *Available online at CengageBrain.com. Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300 Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-300

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