| Preface |
| Chapter 1. Definition, Equality, and Addition of Matrices |
| 1. Introduction |
| 2. What Matrices Are |
| 3. Equality of Matrices. Specification of Matrices. The Zero Matrix |
| 4. Addition of Matrices |
| 5. Addition of Matrices Continued |
| 6. Addition of Matrices Concluded |
| 7. Numerical Multiples of Matrices |
| Chapter 2. Multiplication of Matrices |
| 1. A Problem Arising in Business Management |
| 2. Formal Definition of Multiplication |
| 3. A Surprising Property of Matrix Multiplication |
| 4. Matrix Multiplication Continued |
| 5. The Unit Matrix |
| 6. The Laws of Matrix Multiplication |
| 7. Powers of Matrices. Laws of Exponents |
| 8. Multiplication of Matrices by Matrices and Multiplication of Matrices by Numbers |
| 9. Polynomials in a Matrix |
| Chapter 3. Division of Matrices |
| 1. Introduction |
| 2. Using an Equation Satisfied by a Matrix |
| 3. The Least Equation Satisfied by a Matrix |
| 4. Using the Least Equation Satisfied by a Matrix to Solve the Problem of Reciprocals |
| 5. Proof of the Uniqueness of the Least Equation Satisfied by a Matrix |
| 6. Two Theorems about Reciprocals |
| Chapter 4. Vectors and Linear Equations |
| 1. Definition of Vectors. Notation and Properties |
| 2. Vectors and Directed Segments in the Plane |
| 3. Vectors and Directed Segments in Three-dimensional Space |
| 4. Geometric Applications of the Algebra of Vectors |
| 5. Distances, Cosines, and Vectors |
| 6. More about the Lengths of Vectors |
| 7. Expressing Systems of Linear Equations in Terms of Vectors and Matrices. Solving by Using Reciprocal Matrices |
| 8. Solving Systems of Linear Equations by the Method of Elimination |
| Chapter 5. Special Matrices of Particular Interest |
| 1. The Complex Numbers as Real Matrices |
| 2. The Quaternion Matrices |
| 3. Matrices with Complex Entries |
| Chapter 6. More Algebra of Matrices and Vectors |
| 1. The Transpose Matrix |
| 2. The Trace of a Matrix |
| 3. The Cross Product of Matrices |
| 4. 3 x 3 Skew Matrices and Vectors of Size 3 |
| 5. Geometry of the Cap Product |
| Chapter 7. Eigenvalues and Eigenvectors |
| 1. Matrix Reciprocals and Vectors |
| 2. Eigenvalues |
| Chapter 8. Infinite Series of Matrices |
| 1. The Geometric Series |
| 2. The Size of the Entries in the Powers of A |
| 3. The Exponential Series |
| Index |