Course information:

- Syllabus: 2016Fall-Math235-Syllabus
**Wednesday 7 September**: Class meets both during the regular time period and again in the evening. Evening sessions are in Dubach Mac Lab. Half of the class meets in the lap from 7-8pm; half of the class meets in the lab 8-9pm.**Friday 23 September:**Exam 1 takes place during the usual class time.**Tuesday 25 October, Wednesday 26 October:**Exam 2. This is a two hour long exam. Students have the option of taking the exam either on Tuesday evening (starting at 7pm) or on Wednesday morning (starting at 8am)Exam 3 takes place during the usual class time.~~Monday 28~~Wednesday 30 November:**Wednesday 14**: Final exam takes place 8:30-11:30.~~November~~December

Course Packet:

- 2016Fall-Math235-Packet-cover-page
- 2016Fall-Math235-Packet-preface
- 2016Fall-Math235-Packet-Chapter-1
- Technology stuff: 2016-sage-gettingstarted and the LaTeX template (requires the file h-plot).
- 2016fall-math235-packet-section-2-1
- 2016fall-math235-packet-sections-2-2-and-2-3
- 2016fall-math235-packet-section-2-4
- Activity 16 September: 2016fall-math235-exam1-practice
- 2016fall-math235-packet-section-2-5
- 2016fall-math235-packet-chapter-3
- 2016fall-math235-packet-writingassignment-2
- Sample solution to Writing Assignment 1
- 2016fall-math235-packet-section-3-4
- 2016fall-math235-packet-sections-4-1-and-4-2
- 2016fall-math235-packet-sections-4-3-to-4-7-updated
- 2016fall-math235-packet-chapter-5
- 2016fall-math235-packet-section-6-1
- 2016fall-math235-packet-section-6-2
- 2016fall-math235-packet-section-6-4
- 2016fall-math235-packet-writingassignment-4
- 2016fall-math235-packet-section-6-5
- 2016fall-math235-packet-chapter-6-updated
- 2016fall-math235-packet-chapter-7a
- 2016fall-math235-packet-chapter-7b

Homework assignments:

- Exercises 1.2.1, 1.2.2, 1.2.4, 1.2.6 due Friday 2 September in class.
- Exercises 1.3.2, 1.3.3, 1.3.5, 1.3.6, 1.3.7 due Wednesday 7 Sept in SQRC
- Exercises 1.4.1, 1.4.3, 1.4.4 due Wednesday 7 September in SQRC
- Exercises 1.5.1, 1.5.2, 1.5.5, 1.5.6, 1.5.8 due Friday 9 September in SQRC
- Writing Assignment 1 due Tuesday 20 September. Put it in the box out side Paul’s office door by 5pm.
- Exercises 2.1.1, 2.1.2, 2.1.3, 2.1.4 due Monday 12 September in SQRC before it closes.
- Exercises 2.2.1, 2.2.3, 2.2.5 due Wednesday 14 September in SQRC before it closes.
- Exercises 2.4.1, 2.4.2, 2.4.3, 2.4.4 due Friday 16 September in SQRC before it closes.
- Exercises 2.5.2, 2.5.3, 2.5.5 due Wednesday 21 September in SQRC before it closes.
- Exercises 3.2.1, 3.2.2, 3.2.4, 3.2.6 due Wednesday 28 Sept in SQRC before it closes.
- Exercises 3.3.1, 3.3.2 due Friday 30 Sept in SQRC before it closes.
- Writing Assignment 2 due Tuesday 11 October. Put it in the box outside Paul’s office door by 5pm.
- Exercises 4.1.1, 4.1.3, 4.2.2, 4.2.3, 4.2.4 due Monday 10 October in SQRC before it closes
- Exercises 4.3.1, 4.3.2, 4.4.1 are due Wednesday 12 October in SQRC before it closes.
- Exercises 4.5.1 and 4.5.3 due Friday 14 October in SQRC before it closes.
- Exercises 4.6.2, 4.6.4, 4.6.6 due Monday 17 October in SQRC before it closes.
- Exercises 4.7.1, 4.7.3, 4.7.4 due Wednesday 19 October in SQRC before it closes.
- Exercises 5.1.1 and 5.1.2 due Friday 21 October in SQRC before it closes.
- No exercises from section 5.2 will be collected. However, the exam question on Exam 2 will be very similar to the problems from section 5.2. Therefore you are strongly encouraged to take some time doing problems from that section.
- Exercises 6.1.1 and 6.1.2 due Monday 31 October in SQRC before it closes.
- Exercises 6.2.5 and 6.2.6 due Wednesday 2 November in SQRC
- Exercises 6.4.1, 6.4.2, 6.4.4 due Friday 4 November in SQRC before it closes
- Exercises 6.5.2 and 6.5.3 due Monday 7 November in SQRC before it closes
- Exercises 6.6.1, 6.6.2, 6.6.3, 6.6.4 due Wednesday 9 November in SQRC before it closes
- Exercise 6.7.1 due Friday 11 November in SQRC before it closes
- Writing Assignment 2 due Tuesday 15 November to the box outside Paul’s office by 5pm.
- Exercises 7.2.1, 7.2.2, 7.2.4, 7.3.5 due
~~Friday 18~~Monday 21 November in SQRC before it closes. - Exercises 7.3.6, 7.4.1, 7.4.2 due Wednesday 23 November in SQRC before it closes.

Schedule for the end of the semester:

- Monday 21 November: Section 7.4 The nonlinear pendulum
- Wednesday 23 November: Section 7.5 Hamiltonian systems with linear damping
- Monday 28 November: Chapter 8
**Wednesday 30 November: Exam 3**- Friday 2 December: Chapter 8
- Monday 5 December: Chapter 8
- Wednesday 7 December: Course evaluations, wrap-up
**Wednesday 7 December: Writing Assignment 5 due**

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typo: example 1.4.8 missing parentheses

typo: Exercise 1.4.4 part 2 should read “Show that is a solution to the IVP.”

typo: Figure 1.5.1 is missing…

typo: The differential equation in Example 2.2.3 should be

$\displaystyle \frac{dy}{dt} = \cos(t) – 7y$

typo: Example 2.2.3 dy/dt = cos(t) – 7y

Typo. eq 3.0.1 $\frac{dy_n}{dt}$ should be the last entry for the list, and the rhs equations should go from $f_1$ to $f_n$ as well.

typo. pg 84 at the end, there’s a reference to example 3.2.1 but the text just has ?? instead of the reference.

Typo. Exercise 3.2.5 is missing a close parenthesis on dx/dt =

“Furthermore, as in the case of the example considered here, solutions

may not “directly” approach an equiloibrium point, but may twist and turn

in state space.” pg 89. equilibrium misspelled.

Page 191 (chapter 6). Says code is accessible at a specific link with no link attached. Also code on page 170 has inconsistencies between variables (using x,y then y,v).