### Math 201 EV1: Differential Equations (Winter 2011)

#### Course Calendar

 Instructor / Office / Phone # Xinwei Yu / 527 CAB / (780)4925731 Email / Webpage xinwei.yu@gmail.com / http://www.math.ualberta.ca/~xinweiyu Location / Time / Office Hours ETLE1 007/ MWF 2pm - 2:50pm / MWF 12:30pm-1:30pm or by appointment

Course Information
Important dates.
• Midterm: Saturday Mar. 5, 2011 1pm
• Final: Friday Apr. 15, 2011 9am
• Deferred exam: Saturday May 7, 2011 (Requires approval from your Faculty Office).

#### Course Material

Important: Drafts of lecture notes will be posted before the lectures. However please refrain from printing them as major revision may occur as they get lectured. The revised versions will be posted after the lectures.
 Topics Prerequisites Lecture Notes* How to do well; Introduction Differentiation & Symbols How to do well (Draft); Introduction (Draft) Solving 1st order ODEs Integration & "d" Solving 1st order ODEs (Draft) Solving 2nd and higher order linear ODEs Complex Numbers & Algebraic Equations Solving 2nd order ODEs (Draft) Series solutions Manipulating Infinite Sums Series Solutions  (Draft) Laplace transform method Partial Fractions & Integration by Parts** Method of Laplace Transform (Draft) Partial Differential Equations Partial Differential Equations (Updated Apr.4, 2011)

*: Instead of printing the notes out, you are encouraged to use mobile devices to read them.
**: Please check out the following MIT Open Courseware videos:
FAQ:

Homework(Solution)s:
HW1 (Sol); HW2 (w. Sol); HW3(Sol); HW4(w.Sol); Prob.21 of HW4; HW5(w.Sol); HW6(w.sol); HW7(w.sol); HW8(w sol) (Correction to Prob.14) (Sol w. alternative method); HW9 (Sol); HW10(w.Sol); HW11(w.Sol)
Midterm Related:
Midterm Info            Midterm Review Info (Sol to 1st Exam; Sol to 2nd Exam)
• Midterm Solutions: White, Yellow, Pink
• Average of all 6 sections: 57% (36.48 out of 64)

#### Useful Stuff

• Encyclopedic Differential Equation Website: Equation World.