### Fall 2020 MATH 246 Sections 0411, 0421, 0431, 0441

##### INSTRUCTOR:

Ruiwen Shu, Email: rshu@cscamm.umd.edu.

Office hours: 2:00pm-3:00pm Tuesday (on Zoom), and by appointment.

##### LECTURE (all sections):

TuTh 12:30pm-1:45pm, use Zoom through ELMS

##### DISCUSSION:

section 0411: 8:00am-8:50am Friday, section 0421: 9:00am-9:50am Friday

section 0431: 10:00am-10:50am Friday, section 0441: 12:00pm-12:50pm Friday

##### SYLLABUS:

fall2020_math246_shu_syllabus (updated Sept. 3, 2020)

##### TEXTBOOK:

- Main textbook: https://courses.math.umd.edu/math246/NODE/2021F/main.html (log in with your directory ID and password). Exercises and external resources can also be found on this website.
- For MATLAB part: Differential Equations with MATLAB, Third Edition, by Brian R. Hunt, Ronald L. Lipsman, John E. Osborn, and Jonathan M. Rosenberg, J. Wiley and Sons, New York, 2012 (revised version in 2019). https://www.wiley.com/en-us/Differential+Equations+with+Matlab%2C+3rd+Edition-p-9781119231141

MATLAB tutorial: https://www.mathworks.com/learn/tutorials/matlab-onramp.html

A platform for group work: https://awwapp.com

##### LECTURE NOTES: (filename: date_section)

Lecture20200903_1_2 code20200903.mlx

Lecture20200908_1_3 code20200908.mlx

Lecture20200910_1_4_1_5 code20200910.mlx

Lecture20200922_1_8 code20200922.mlx (code is for section 1.7)

Lecture20201020_2_8 code20201020.mlx

##### GROUP WORK:

a practice problem for section 1.8 practice_1_8

##### MATLAB PROJECTS:

(all problems are from the MATLAB textbook):

**Project 1** (due on Friday, Sept. 18):

** Problem Set A**: (you could read Chapter 3 of MATLAB textbook)

7(a)(c)(e) (use ‘diff’), 8(b)(d) (use ‘int’), 10, 11 (try ‘fimplicit’)

New rules: submit your MATLAB project as a PDF file, containing both your code and the output.

**Project 2** (due on Monday, Oct. 5): you should do this project by groups, which has been assigned by the TA via email.

** Problem Set B**: (you could read Chapter 5 of MATLAB textbook)

1(a)(b), 3(a)(b)(c), 5(a)(b)(c), 14

For any confusions with versions of textbook, see:textbook_version

**Project 3** (due on Friday, Oct. 16): make sure you have the 2019 version of the textbook

** Problem Set C**: (you could read Chapter 8 of MATLAB textbook)

1, 10(a)(c), 11(a)(b)

##### QUIZ AND EXAM SOLUTIONS:

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Previous teaching:

At University of Maryland, College Park, as instructor:

Spring 2019~2020 AMSC 460 (numerical methods)

Fall 2019~2020 AMSC 460 (numerical methods), 2 sections

Spring 2018~2019 Math 136 (calculus for life sciences)

Fall 2018~2019 Math 141 (calculus 2)

At University of Wisconsin-Madison, as teaching assistant:

Fall 2017~2018 Math 234 (calculus 3)

Fall 2016~2017 Math 222 (calculus 2)

Fall 2015~2016 Math 234 (calculus 3)

Spring 2014~2015 Math 221 (calculus 1)

Fall 2014~2015 Math 221 (calculus 1)