Name: Duo Cao

Office: MATH 433

Office Hour: Wednesday 2-4pm at MATH 433 or by appointment

E-mail: cao157@purdue.edu

Teaching

Fall 2015, MA261 Multivariate Calculus Fall 2017, MA261 Multivariate Calculus

Spring 2018, MA262 Differential Equations and Linear Algebra

Fall 2019, MA261 Multivariate Calculus

Spring 2020, MA262 Differential Equations and Linear Algebra

Review session notes and video:

Due 4/3 (You could submit the HW due on 03/31 together with the hw due on 04/03.)

Handwritten Homework 23-- Sect. 4.2 # 34 (Offline)

Handwritten Homework 24-- Sect. 4.3 #33 (Offline)

Handwritten Homework 25-- Sect. 4.4 # 35, 36 (Offline)

Handwritten Homework 26-- Sect. 4.5 #41 (Offline)

Due 4/14:

Handwritten Homework 27-- Sect. 4.6 # 20, 22 (Offline)

Handwritten Homework 28-- Sect. 4.7 #37, 41 (Offline)

Handwritten Homework 29-- Sect. 4.9 # 15 (Offline)

Due 4/21

Handwritten Homework 30-- Sect. 5.1 #24, 27 (Offline)

Handwritten Homework 31-- Sect. 5.2 #20, 21 (Offline)

Handwritten Homework 32-- Sect. 5.3 #33 (Offline)

Due 4/28

Handwritten Homework 33-- Sect. 6.4 #29, 30 (Offline)

Handwritten Homework 34-- Sect. 6.5 #37 (Offline)

Handwritten Homework 35-- Sect 6.6 #21 (Offline)

Due 5/01

Handwritten Homework 36-- Sect. 6.7 #33 (Offline)

**Hand-written homework partial solutions (Let me know if you need solutions of other problems):**

**week1**

**week2**

I made a mistake for 7.5 #38. Answer should be no. In both case, A has at most 2 pivot columns.

week3 (none)

**Quiz solutions:**

**quiz1**

**quiz2**

**quiz3**

**quiz4**

**quiz6**

**Next week quiz content (Mar 13th):**No quiz

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