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Tuesday, April 6, 2010

April 6, 2010

Video of the day: Nature by Numbers (no Calc III content, just a nice video)

Today’s topics:

  • Directional derivative
  • Gradient
  • Maximum/minimum directional derivatives
  • Gradient vector as normal vector

Homework:

  • 15.6 – 11, 12, 21, 24, 25, 32, 33, 38, 41, 44, 47

Read for next class:

  • 15.7
from → Uncategorized
9 Comments leave one →
  1. Alejo Lifschitz permalink
    April 6, 2010 11:07 pm

    all went well

    Reply
  2. Rebecca Thompson permalink
    April 7, 2010 12:56 am

    I had some trouble with #38, although I think I figured it out. Everything else was fine.

    Reply
  3. cheathmo permalink
    April 7, 2010 11:51 pm

    I wasn’t sure what to do for 44b, but I think I figured it out.

    Reply
  4. Christine Welling permalink
    April 8, 2010 2:52 am

    I found 44b confusing also.

    Reply
  5. Andrew C permalink
    April 8, 2010 3:33 am

    I got a weird answer for 32, but I still think I did it right. I also forgot about normal lines, but I got it eventually.

    Reply
  6. Jianan Yang permalink
    April 8, 2010 4:45 am

    38 is a problem to me…I am always not good at doing this kind of question…

    Reply
  7. Yan permalink
    April 8, 2010 4:54 am

    I got weird numbers for #32, and I’m not sure how to answer #38.

    Reply
  8. Margot Milliken permalink
    April 8, 2010 4:54 am

    I was not sure how to do number 38

    Reply
  9. Shuni Fang permalink
    April 8, 2010 7:08 am

    Me neither… not sure about problem number 38…

    Reply

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