# Intro to Linear Algebra

There is no course textbook. Notes and homework assignments will be posted here. For further reading I recommend Gilbert Strang's Introduction to Linear Algebra. Professor Strang also has video lectures available on the web.Office Hours: M,Tu,W,Th after class until 2pm | ||

Item | Date | Information |
---|---|---|

Syllabus | ||

Homework 1 Solutions |
Fri, May 26 |
Week 1 Notes Two Ways to Think of Vectors Vector Arithmetic The Dot Product Lengths and Angles |

Quiz 1 |
Tues, May 30 | |

Homework 2 Solutions |
Fri, June 2 |
Week 2 Notes One Equation = A Shape in Space Simultaneous Equations = Intersection of Shapes Lines and Planes in 2D and 3D One Linear Equation = A Hyperplane |

Quiz 2 |
Mon, June 5 | |

Homework 3 Solutions |
Fri, June 9 |
Week 3 Notes Old HW3 & Solutions Systems of Linear Equations Row Picture = Intersection of Hyperplanes Column Picture = Linear Combination of Vectors Gaussian Elimination & RREF |

Quiz 3 |
Mon, June 12 | |

Homework 4 Solutions |
Fri, June 16 |
Week 4 Notes The Matrix Notation Ax=b Matrices are Functions Matrix Multiplication = Function Composition Rules of Matrix Arithmetic Existence/Computation of Inverse Matrices |

Quiz 4 |
Mon, June 19 | |

Homework 5 Solutions |
Fri, June 16 |
Week 5 Notes Fitting a Line to Data Points Projections in Data Space Projection Matrices Least Squares Regression |

Quiz 5 |
Mon, June 26 | |

Homework 6 |
Wed, June 28 |
Week 6 Notes Eigenvalues and Eigenvectors The Characteristic Equation Phase Portrait of a 2X2 Matrix Fun Examples |

Final Exam | Fri, June 30 |