Foundations

What is a Vector?

Introduction to vectors as arrows and lists of numbers.
Requirements: Basic Algebra Difficulty: 1

Vector Addition

How to add vectors geometrically and algebraically.
Requirements: Vectors Difficulty: 1

Scalar Multiplication & Unit Vectors

Scaling vectors and the concept of "unit vectors"
Requirements: Vectors Difficulty: 1

Linear Combinations

The fundamental building block of linear algebra.
Requirements: Vectors Difficulty: 2

What is Span?

Understanding the space reachable by a set of vectors.
Requirements: Linear Combinations Difficulty: 2

Linear Independence

Why some vectors are "redundant" in a set.
Requirements: Span Difficulty: 2

Basis of a Vector Space

The set of vectors that perfectly describe a space.
Requirements: Independence Difficulty: 3

Dimension Explained

Why we call a line 1D and a plane 2D.
Requirements: Basis Difficulty: 2
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