Michael Barrus

Intro to Linear Algebra - Invertible Linear Transformations (Sec 2.3, C)

Intro to Linear Algebra - A few words on the proof of the Invertible Matrix Theorem (Sec 2.3, B)

Intro to Linear Algebra - The Invertible Matrix Theorem (Sec 2.3, A)

Intro to Linear Algebra - Elementary Matrices (Sec 2.2, E)

Intro to Linear Algebra - An Algorithm for Finding Matrix Inverses (Sec 2.2, D)

Intro to Linear Algebra - Four Quick Theorems about Inverses (Sec 2.2, C)

Intro to Linear Algebra - The Inverse of a Matrix: the 2-by-2 Case (Sec 2.2, B)

Intro to Linear Algebra - You Can’t Divide by 0; or, Can a Matrix Have a Reciprocal? (Sec 2.2, A)

Intro to Linear Algebra - A Quick Foray into Chapter 6—Dot Products of Vectors (Sec 6.1)

Intro to Linear Algebra - Other Operations: Powers and Transposes (Sec 2.1, D)

Intro to Linear Algebra - WARNINGS for Matrix Multiplication (Sec 2.1, C)

Intro to Linear Algebra - Introducing Matrix Multiplication (Sec 2.1, B)

Intro to Linear Algebra - Starting Matrix Arithmetic: Sums and Scalar Products (Sec 2.1, A)

Intro to Linear Algebra - When Ax=b always has a solution (no matter what b is) (Sec 1.4, B)

Intro to Linear Algebra - Onto and One-to-one Transformations (Sec 1.8-9, D)

Intro to Linear Algebra - The Matrix of a Linear Transformation (Sec 1.8-9, C)

Intro to Linear Algebra - Matrix Transformations and Linear Transformations (Sec 1.8-9, B)

Intro to Linear Algebra - Matrix Multiplication as a Function (Sec 1.8-9, A)

Intro to Linear Algebra - Why Do We Care about Linear Independence? (Sec 1.7, B)

Intro to Linear Algebra - Linearly Independent Sets of Vectors (Sec 1.7, A)

Intro to Linear Algebra - More on Solution Sets to Linear Systems (Sec 1.5, B)

Intro to Linear Algebra - Homogeneous linear systems (Sec 1.5, A)

Intro to Linear Algebra - Another way of computing Ax, plus some properties (Sec 1.4, C)

Intro to Linear Algebra - The Matrix Equation Ax=b (Sec 1.4, A)

Intro to Linear Algebra - Linear Combinations of Vectors (Sec 1.3, B)

Intro to Linear Algebra - Introducing Vectors in R^n (Sec 1.3, A)

Intro to Linear Algebra - The Number of Solutions to a Linear System (Sec 1.1-2, C)

Intro to Linear Algebra - Solving Linear Systems Using Matrices, part 2 of 2 (Sec 1.1-2, B-ii)

Intro to Linear Algebra - Solving Linear Systems Using Matrices, part 1 of 2 (Sec 1.1-2, B-i)

Intro to Linear Algebra - Systems of Linear Equations: First Examples and Vocabulary (Sec 1.1-2, A)