Daily Syllabus, Math 221 Linear Algebra, Fall 2021

Be sure to check back, because this will be updated during the semester.

Week Major Topics Tuesday
9:30 - 11:50
Thursday
9:30 - 11:50
1 Welcome to Linear Algebra!
Systems of linear equations and equivalent vector equations
8/31 1.1 Systems of Linear Equations
1.2 Row Reduction and Echelon Forms

Background Questionnaire due Wed 9/1 @ midnight
9/2 1.3 Vector Equations
2 Describing all solutions to a system

PCA due Monday 9/6 @ midnight
9/7 1.4 The Matrix Equation Ax=b
1.5 Solution Sets of Linear Systems
9/9 1.7 Linear Independence

PS #1 due Thursday 9/9 @ midnight
PS #1 partner eval due Friday 9/10 @ midnight
3 Matrices as functions

PCA due Monday 9/13 @ midnight
9/14 1.8 Introduction to Linear Transformations 9/16 1.9 The Matrix of a Linear Transformation

PS #2 due Thursday 9/16 @ midnight
PS #2 partner eval due Friday 9/17 @ midnight
4 Multiplying and inverting matrices

PCA due Monday 9/20 @ midnight
9/21 2.1 Matrix Operations
2.2 Inverse of a Matrix
9/23 2.3 Characterizations of Invertible Matrices

PS #3 due Thursday 9/23 @ midnight
PS #3 partner eval due Friday 9/24 @ midnight
5 Using matrices to shift, rotate, and skew graphics; The determinant function

PCA due Monday 9/27 @ midnight
9/28 2.7 Applications to Computer Graphics

Cheat Sheet for Exam 1 due @ 8:00 am
Exam 1 covers thru 2.3
9/30 3.1 Introduction to Determinants
3.2 Properties of Determinants

Exam 1 due @ midnight
6 Identifying underlying structural similarities

PCA due Monday 10/4 @ midnight
10/5 4.1 Vector Spaces and Subspaces 10/7 4.2 Null Spaces, Column Spaces, and Linear Transformations
7 No class meetings this week due to Fall Break and MAP Day 10/12 Fall Break 10/14 MAP Day
8 Minimal generating sets

PCA due Monday 10/18 @ midnight
10/19 4.3 Linearly Independent Sets; Bases 10/21 4.3 Linearly Independent Sets; Bases (cont.)

PS #4 due Thursday 10/21 @ midnight
PS #4 partner eval due Friday 10/22 @ midnight
9 Adjusting your reference; An invariant of vector spaces

PCA due Monday 10/25 @ midnight
10/26 4.4 Coordinate Systems
4.5 The Dimension of a Vector Space
10/28 4.6 Rank

PS #5 due Friday 10/29 @ midnight
PS #5 partner eval due Friday 10/29 @ midnight
10 Understanding longterm behavior; Directions fixed by matrix functions

PCA due Monday 11/1 @ midnight
11/2 4.9 Applications to Markov Chains 11/4 5.1 Eigenvectors and Eigenvalues
5.2 The Characteristic Equation

PS #6 due Thursday 11/4 @ midnight
PS #6 partner eval due Friday 11/5 @ midnight
11 Extending geometric intuition to higher dimensions

PCA due Monday 11/8 @ midnight
11/9 6.1 Inner Product, Length, and Orthogonality

Cheat Sheet for Exam 2 due @ 8:00 am
Exam 2 covers thru 5.2
11/11 6.2 Orthogonal Sets

Exam 2 due @ midnight
12 Finding the closest vector

PCA due Monday 11/15 @ midnight
11/16 6.3 Orthogonal Projections
6.4 The Gram-Schmidt Process
11/18 6.5 Least-Squares Problems
13 A factorization of certain square matrices

PCA due Monday 11/22 @ midnight
11/23 5.3 Diagonalization 11/25 Thanksgiving Break
14 A factorization of m x n matrices

PCA due Monday 11/29 @ midnight
11/30 7.1 Diagonalization of Symmetric Matrices 12/2 7.4 The Singular Value Decomposition
15 The power of the singular value decomposition

PCA due Monday 12/6 @ midnight
12/7 Applications of the SVD

PS #7 due Tuesday 12/7 @ midnight
Cheat Sheet for Exam 3 due Wednesday 12/8 @ 8:00 am
12/9 The BIG Picture
Finals Period 12/14 12/16 Exam 3 due Thursday 12/16 @ midnight