Mathematics 123: Ordinary Differential Equations

UC Berkeley, Spring Semester 2014

TIME: 1:10-2:00 MWF
PLACE: 103 Moffitt (= Undergraduate Library)

INSTRUCTOR: L C Evans (evans@math.berkeley.edu, 1033 Evans Hall)

REGULAR OFFICE HOURS: 2-3 MWF in 1033 Evans Hall


EXTRA OFFICE HOURS: 2-3 MWF in 1033 Evans Hall during RRR week; also 2-5 on Monday, May 11.

FINAL EXAM: Tuesday, May 12, 8:00-11:00 am in 740 Evans Hall


Solutions to Homeworks 1-16


Solutions to Homeworks 17-25



REQUIRED TEXTBOOK: Agarwal and O'Regan, ``An Introduction to Ordinary Differential Equations'', Springer
This book is available online for UC Berkeley students: go to http://oskicat.berkeley.edu/

PREQUISITES: Math 53 and 104.

COURSE OUTLINE:
1. Overview: examples and tricks
2. Existence and uniqueness of solutions
3. Linear ODE and systems
4. Stability, asymptotic behavior
5. Boundary value problems
6. Calculus of variations


HOMEWORK AND GRADING:
25% homework, 25% midterm, 50% final
I will assign new homework at each class meeting. Each assignment will be due in one week.
Collaboration is allowed, but each student must turn in his or her own homework sheet. No late homework, please.


HOMEWORK ASSIGNMENTS:


Homework 1 5.1, 5.2 due Fri, Jan 30
Homework 2 5.3 (i),(ii), 5.4(i) due Mon, Feb 2
Homework 3 4.3 (i),(iii), 4.6 due Wed, Feb 4
Homework 4 3.2(i), 3.4, 3.5 due Fri, Feb 6
Homework 5 6.3(i), 6.4(i),(ii) due Mon, Feb 9
Homework 6 6.5, 6.11(i), 6.12(ii) due Wed, Feb 11
Homework 7 6.9 due Fri, Feb 13
Homework 8 7.3(i),(ii), 7.10, 7.11 due Wed, Feb 18
Homework 9 8.1, 8.4(i), 8.5 due Fri, Feb 20
Homework 10 8.12, 9.3, 9.4 due Wed, Feb 25
Homework 11 7.7, 8.8 due Fri, Feb 27
Homework 12 10.3, 10.5 due Mon, March 2
Homework 13 12.1, 12.4 due Fri, March 6
Homework 14 17.1, 17.3 due Mon, March 9
Homework 15 17.2 due Wed, March 11
Homework 16 14.3 (i), 18.2 due Fri, March 13
Homework 17 18.6, 18.11, 20.5 due Wed, April 1
Homework 18 19.7 (i), (ii), 19.10 (i), (ii) due Fri, April 3
Homework 19 22.9 (i) due Mon, April 6
Homework 20 28.2 (i)-(iii), 28.3 due Mon, April 13
Homework 21 28.5, 28.6 due Wed, April 15
Homework 22 27.3 (i), 27.4 (i) due Fri, April 17
Homework 23 31.1, 31.2 due Wed, April 22
Homework 24 32.1 (i)-(iii), 32.2 due Fri, April 24
Homework 25 37.6 (i)-(ii), 37.7 (i)-(ii) due Mon, April 27