Day 33 in Mat320

Today:

• Distribute Section 17.3 Worksheet

• Return Exam 2 (here's a key)
  • Mean: 82
  • Median: 81.4
  • Standard deviation: 9.25

• Oops: Return 16.8 problems next time....

• Quiz Opportunity over Section 17.2

• Collect problems 16.9.

• Questions/Comments on old stuff?
  • Last time:
    • Vector fields are simply function with vectors for images.
    • Some vector fields are given as gradients of scalar functions, called potentials.
    • p. 1080: #4, 6, 8, 10

• Section 17.2:
  • Actually there are two problem sets associated with this section:
    • Part I: Page 1091: 2, 5, 7, 9, 13, 27, 29, 31 (due Wednesday, 4/14);
    • Part II: Page 1091: 32-34, 37-43 (due Friday, 4/16).
    Please make a note of it.

  • worksheet study questions
    • Nice picture on p. 1082
    • Parameterization: Example 4, p. 1085 (endpoint alone won't do it!)

  • section summary

  • Problems, p. 1091:
    • #4,6,8,10,12,14

Next time: 17.2/17.3