Announcements:

• Solutions to the final exam
• Final grades will be ready by Monday. You can email me on Monday to find out your grade, or wait a couple of days for the registrar to get them.
• Solutions to the third exam
• Solutions to the second exam
• Solutions to the first exam

Homework:

• For 12/9:
  • Do the following problems: (8.7) 6, 8, 13, 27, 33. (8.8) 4, 10, 12, 18, 34, 42ab. (8.9) 4, 14, 26, 34. (8.10) 8, 20, 42.
  • Homework #12 answers
• For 12/2:
  • Do the following problems: (8.3) 8, 10, 18, 24, 26, 29. (8.4) 10, 22, 28. (8.5) 2, 8, 10, 24. (8.6) 4, 6, 19, 28, 41.
  • Homework #11 answers.
• For 11/20:
  • Do the following problems: (7.3) 12, 18, 26, 38, 42. (7.4) 8, 16, 26, 40. (7.6) 5, 22, 40, 44. (8.1) 4, 16, 36, 39. (8.2) 2, 6, 17, 20, 34.
  • Homework #10 answers.
• For 11/13:
  • Read the Maple tutorials on the dsolve command and the DEplot command.
  • Do the following problems: (6.12) 4, 12. (7.1) 12, 32, 40, 50, 58, 66, 84. (7.2) 4, 6, 14, 29, 42(a), 44.
  • Use the "DEplot" command to generate a slope field for the differential equation y' = x/y-y. Have Maple draw the solutions passing through (0,1), (0,-1), and (1,1).
  • Use the "dsolve" command to find the solution of y'=y+x*y^2 with initial condition y(0)=1. Check that Maple's answer is correct.
  • Homework #9 answers.
• For 11/7:
  • Do the following problems: (6.11) 3, 8, 10, 14, 18, 22, 28, 36, 46, 55.
  • Homework #8 answers.
• For 10/28:
  • Do the following problems: (6.9) 2, 10, 22, 38, 50, 58
  • Study for the exam!
  • Homework #7 answers.
• For 10/23:
  • Do the following problems: (6.6) 4, 17, 20, 28, 36, 44, 58, 73. (6.7) 2, 6, 7, 8. (6.8) 2, 4, 6, 14, 18, 23, 30, 33, 34, 41-44.
  • Homework #6 answers.
• For 10/16:
  • Do the following problems: (6.4) 2, 5-6, 8, 26, 44, 86 (using Maple). (6.5) 3, 8, 10, 14, 21, 26.
  • Homework #5 answers. If you find a mistake in the homework answers, tell me about it to win a candy bar.
• For 10/9:
  • Do the following problems: (6.1) 8, 14, 20, 28, 52. (6.2) 1, 2, 3, 6, 18, 34, 47, 48, 52, 58, 82. (6.3) 1-4, 8, 10, 14, 22, 38, 48, 66, 77.
  • Homework #4 answers. If you find a mistake in the homework answers, tell me about it to win a candy bar.
• For 9/28:
  • Finish the Maple Tutorial.
  • Do the following problems: (5.7) 8, 26, 29, 30.
  • Homework #3 answers (corrected)
• For 9/25:
  • Work through the Maple Tutorial, if you haven't already.
  • Do the following problems: (5.4) 2, 11, 20, 27, 38. (5.5) 10, 14, 25. (5.6) 12, 16, 28.
  • Read the sections of the Maple Lab Manual corresponding to the "plot" command and the "int" command. Then do problem (5.5) 3.
  • Homework #2 answers (corrected)
• For 9/18:
  • Work through the Maple Tutorial.
  • Do the supplemental problems based on your score on the diagnostic test. Submit these on Sept. 18.
  • Do the following problems: (5.1) 8, 10, 18, 24, 51. (5.2) 4, 8, 12. (5.3) 1, 8, 22, 40, 43ab.
  • Homework #1 answers.
  • Be able to do the core problems.

For all sections: Universal Math 104 page

For this section: Syllabus

Basic information

• Lecturer: Stephen C. Preston
• Contact info: DRL 4N28, 8-7845, scpresto@math.upenn.edu
• Office hours: Mondays, 12:00 – 1:00 pm and Fridays, 2:00 – 3:00 pm.
• Teaching assistants:
  • Arvind Easwaran, arvinde@seas.upenn.edu
    Office hours: Thursdays, 3:00 – 5:00 pm in the undergraduate lounge of the math department (DRL 4N9).
  • Albert Insogna, ainsogna@math.upenn.edu
    Office hours: Mondays, 11:00 am – 12:00 pm and Thursdays, 4:00 – 5:00 pm, in DRL 4N33.
• Course coordinator: Ed Crotty