# Math 235, Fall 2015

### Exam schedule:

• Exam 1: September 28, during class. Solutions to Exam 1
• Exam 2: October 22, 7pm – 9pm.
• Exam 3: November 25, during class.
• Final Exam: December 16, 8:30am – 11:30am.

### Announcements

• Wednesday 9 September class meets in the Dubach Mac Lab; half of the class meets at 8am, half meets at 9am.
• Office hours:
Monday: 1:30 – 4:00pm
Thursday: 1:30- 4:00pm

### Homework assignments

• Exercise 1.1 (1),(3),(5),(7); not collected. Day 1 solutions
• Exercises 2.3, 2.5, 2.7 due Friday 4 September in class.
• Exercises 3.3, 3.6, 3.9, 3.11, 3.12 are due Wednesday 9 September. Submit to the folder in the SQRC by 12:00.
• There is no homework due for Day 4. However, I encourage you to work through the mathematica tutorials and to practice using LaTeX.
• There is no homework due for Day 5. However, you should read through the section “Review of Separable ODEs” and try some of the problems.
• Exercises 6.3 and 6.4 are due Friday 18 September. Submit to the folder in the SQRC by noon.
The first report “Equilibrium solutions for the logistic model” is due Monday 21 September; submit in class.
• Exercises 7.3, 7.5, 8.3, 8.4 due Monday 21 September in the SQRC by noon.
• The report “Comparing harvesting models” is due Monday 5 October Wednesday 7 October
• Exercises 9.3 and 9.4 are due Wednesday 23 September in the SQRC by noon
• Exercises 10.7, 10.8, 10.9 due Friday 25 September in SQRC by noon
• Exercises 11.3, 11.6 due Wednesday 30 September in SQRC by noon
• Exercises 13.3, 13.6, 13.7 due Friday 2 October in SQRC by noon
• Exercises 14.1, 14.2, 14.3, 14.4 due Monday 5 October in SQRC by noon
• Exercises 15.2, 15.4, 15.5 due Wednesday 7 October in SQRC by noon
• Exercises 16.3, 16.4, 16.5 due Monday 12 October in SQRC by noon
• Exercise 17.1 and your choice of either Exercise 17.2 or 173 are due Tuesday 14 October in the SQRC by noon
• Exercises 18.1, 18.2, 18.4, 18.6 are due Friday 16 October in SQRC by noon. I also encourage you to look at 18.7.
• Exercises 19.2, 19.3, 19.4 due Monday 19 October in SQRC by noon. I also encourage you to look at 19.5
• Exercises 20.2 and 20.4 are due Wednesday 21 October in the SQRC by noon. Also do Exercise 20.1, but keep that assignment with you.
• Exercises 20.1 and 22.1 are due Wednesday 28 October in SQRC by noon.
• Exercises 23.1 is due Wednesday 28 October in SQRC by noon. For a challenge, try Exercise 23.5.
• The report “Predator-Prey Models” is due Monday 9 November.
• Exercises 24.1, 24.2, and 24.4 due Friday 30 October.
• Exercises 25.5 and 25.6 are due Monday 2 November.
• Exercises 26.2, 26.4, 26.5 due Wednesday 4 November.
• Exercises 27.1, 27.3, 27.6 due Friday 6 November.
• Exercises 28.1, 28.2 due Monday 9 November Tuesday 10 November.
• Exercise 29.1 due Wednesday 11 November. For a challenge, try Exercise 29.5; note the typo! Solutions-29
• Exercises 30.1, 30.2, 30.3 due Friday 13 November. For a challenge, try 30.4 Solutions-30
• Exercise 31.5 due Monday 16 November. Solutions-31
• Exercises 32.1, 32.3, 32.5, 32.7 due Wednesday 18 November. Solutions-32
• Exercises 33.1, 33.2, 33.3 due Friday 20 November Solutions-33
• Exercise 34.1 due Monday 23 November.
• Exercises 37.1, 37.2, 37.3, 37.4 due Wednesday 2 December
• Exercises 38.1, 38.2 due Friday 4 December.
• The report “Gravitation” is due at the time of the final exam.