## MAT 223 — Week 7

**Quiz 4 is this week! Test 2 is next week.**

**Additional Resources:**

- Cartesian Coordinate System from Wikipedia
- Real coordinate spaces from Khan Academy
- What are vectors? from ThreeBlueOneBrown

**Notes:**

The notes are available here.

## MAT 223 — Week 6

**Quiz 3 is this week!**

**Additional Resources:**

- Eigenvalues and eigenvectors on Wikipedia
- Eigenvalues and eigenvectors on Khan Academy
- A very nice visual introduction to eigenvalues and eigenvectors from ThreeBlueOneBrown

**Notes:**

The notes are available here.

## MAT 223 — Week 5

**Quiz 3 is this week in tutorial.**

**The Videos We Watched in Class:**

- Linear Transformations and Matrices from Three Blue One Brown
- Linear Transformations Interactive Toy inspired by Three Blue One Brown
- Complex Numbers from the film Dimensions

**Additional Resources:**

- Co-Factor Expansion from Wikipedia
- Determinants from Khan Academy

**Notes:**

The notes are available here.

## MAT 223 — Week 4

**Test #1 is this week. Reading Week is coming!**

**Additional Resources:**

- Linear Transformation from Wikipedia
- Linear Transformation from Khan Academy

**Notes:**

The notes are available here.

## MAT 223 — Week 4

**Additional Resources:**

- Linear transformations at Khan Academy
- Matrix-vector product as a linear transformations at Khan Academy
- Linear transformations at Wikipedia

**Notes:**

The notes are available here. The practice handout is available here.

## MAT 223 — Week 3

**Test #1 is next Wednesday.**

**Additional Resources:**

- Matrix Inverses at Khan Academy
- Inverse Matrices from Khan Academy.
- Invertible Matrices
- Matrix Multiplication

**Notes:**

The notes are available here. The practice handout is available here.

## MAT223 — Week 2

**Quiz 1 is next week. Test #1 is in two weeks on September 27th. **

**Additional Resources:**

- Solving Ax = b at Khan Academy
- Homogeneous systems from PatrickJMT
- UTM Math Help Room Schedule

**Notes:**

The notes are available here.

## MAT 223 — Week 1

**Tutorials start this week. It is important to meet your TA.**

**Additional Resources:**

- Row Echelon Form at Khan Academy
- Row Reduction from PatrickJMT

**Notes:**

The notes are available here.

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