Dan Gries

A proof of a sequence limit

A proof of a sequence limit
Traveling Spheres 2

Traveling Spheres 2
Epsilon-Delta Part 1: Why do we do this?

Epsilon-Delta Part 1: Why do we do this?
Epsilon-Delta Part 2: Backwards Reasoning

Epsilon-Delta Part 2: Backwards Reasoning
Epsilon-Delta Part 4: The Proof

Epsilon-Delta Part 4: The Proof
Epsilon-Delta Part 3: Finding Delta

Epsilon-Delta Part 3: Finding Delta
Computing the area of a sphere as a parametrized surface

Computing the area of a sphere as a parametrized surface
Area of a Parametrized Surface

Area of a Parametrized Surface
Parametrization of a Torus

Parametrization of a Torus
Analyzing Beats with a Trig Identity

Analyzing Beats with a Trig Identity
A linear discrete dynamical system and its eigenvectors

A linear discrete dynamical system and its eigenvectors
Change of basis matrix

Change of basis matrix
Gram-Schmidt Orthogonalization

Gram-Schmidt Orthogonalization
VectorSpaces 01

VectorSpaces 01