
| Part I: INTRODUCTORY LINEAR ALGEBRA | ||
| 1 | Linear Equations and Matrices 3 | |
| 1.1 | Linear Systems 3 | |
| 1.2 | Matrices 11 | |
| 1.3 | Dot Product and Matrix Multiplication 18 | |
| 1.4 | Properties of Matrix Operations 35 | |
| 1.5 | Solutions of Linear Systems of Equations 47 | |
| 1.6 | The Inverse of a Matrix 69 | |
| 2 | Determinants 91 | |
| 2.1 | Definition and Properties 91 | |
| 2.2 | Cofactor Expansion and Applications 103 | |
| 2.3 | Determinants from a Computational Point of View 118 | |
| 3 | Vectors in R 2 and R n 123 | |
| 3.1 | Vectors in the Plane 123 | |
| 3.2 | n - Vectors 141 | |
| 3.3 | Introduction to Linear Transformations 158 | |
| 3.4 | Computer Graphics (Optional) 171 | |
| 3.5 | Cross Product in R 3 (Optional) 179 | |
| 3.6 | Lines and Planes 186 | |
| 4 | Real Vector Spaces 197 | |
| 4.1 | Real Vector Spaces 197 | |
| 4.2 | Subspaces 203 | |
| 4.3 | Linear Independence 213 | |
| 4.4 | Basis and Dimension 224 | |
| 4.5 | Homogeneous Systems 237 | |
| 4.6 | The Rank of a Matrix and Applications 244 | |
| 4.7 | Coordinates and Change of Basis 255 | |
| 4.8 | Orthonormal Bases in R n 269 | |
| 4.9 | Orthogonal Complements 277 | |
| 5 | Eigenvalues and Eigenvectors 291 | |
| 5.1 | Diagonalization 291 | |
| 5.2 | Diagonalization of Symmetric Matrices 312 | |
| 6 | Linear Transformations and Matrices 327 | |
| 6.1 | Definition and Examples 237 | |
| 6.2 | The Kernel and Range of a Linear Transformation 334 | |
| 6.3 | The Matrix of a Linear Transformation 345 | |
| Cumulative Review of Part I 366 | ||
| Part II: APPLICATIONS | ||
| 7 | Linear Programming 371 | |
| 7.1 | The Linear Programming Problem: Geometric Solution 371 | |
| 7.2 | The Simplex Method 389 | |
| 7.3 | Duality 408 | |
| 8 | Applications 417 | |
| 8.1 | Graph Theory 417 | |
| 8.2 | Electrical Circuits 434 | |
| 8.3 | Markov Chains 439 | |
| 8.4 | Least Squares 450 | |
| 8.5 | Linear Economic Models 461 | |
| 8.6 | Differential Equations (Calculus Required) 469 | |
| 8.7 | The Fibonacci Sequence 480 | |
| 8.8 | Quadratic Forms 484 | |
| 8.9 | Conic Sections 493 | |
| 8.10 | Quadric Surfaces 501 | |
| 8.11 | The Theory of Games 511 | |
| Part III: NUMERICAL LINEAR ALGEBRA | ||
| 9 | Numerical Linear Algebra 535 | |
| 9.1 | Error Analysis 535 | |
| 9.2 | Linear Systems 538 | |
| 9.3 | LU-Factorization (Optional) 549 | |
| 9.4 | QR-Factorization (Optional) 556 | |
| 9.5 | Eigenvalues and Eigenvectos 561 | |
| Part IV: MATLAB FOR LINEAR ALGEBRA | ||
| 10 | MATLAB for Linear Algebra 573 | |
| 10.1 | Input and Output in MATLAB 573 | |
| 10.2 | Matrix Operations in MATLAB 579 | |
| 10.3 | Matrix Powers and Some Special Matrices 582 | |
| 10.4 | Elementary Row Operations in MATLAB 585 | |
| 10.5 | Matrix Inverses in MATLAB 595 | |
| 10.6 | Vectors in MATLAB 596 | |
| 10.7 | Applications of Linear Combinations in MATLAB 598 | |
| 10.8 | Linear Transformations in MATLAB 602 | |
| 10.9 | MATLAB Command Summary 604 | |
| Appendix A | Complex Numbers A1 | |
| A.1 | Complex Numbers A1 | |
| A.2 | Complex Numbers in Linear Algebra A10 | |
| Appendix B | Further Directions A23 | |
| B.1 | Inner Product Spaces (Calculus Required) A23 | |
| B.2 | Composite and Invertible Linear Transformations A32 | |
| Answers to Odd-Numbered Exercises and Chapter Tests A41 | ||
| Index I1 | ||