Day 09 in Mat320

Today:

• No new worksheet

• Return 15.3 problems, #33, 54.
  • A comment on Clairaut's theorem

• No problems to collect.

• Questions/Comments on old stuff?
  • #37, p 959
  • Uglier situations in chain rule land....

• Quiz Opportunity over Section 15.6

• Section 15.6:
  • worksheet study questions (especially #4)

  • section summary

  • Gradient field plotting with nkuGrapher (perhaps we should look at the contours first)

  • Problems:
    • #34, 8, 10

Next time: More on the gradient and directional derivatives