4/2/09

4.2 Second Order Taylor Expansions (Part 1)
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4 comments:

  1. AnonymousApril 15, 2009 at 11:40 AM

    I have 2 questions:
    a) are we supposed to take the derivative of g(x) as g' or an expansion of f'?

    b) Are we really supposed to plot log(x) for negative x?

    Fabian

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  2. AnonymousApril 15, 2009 at 12:04 PM

    Fabian, I did it for positive values only although matlab give values for negative values of log which is wrong because it does not exist.
    Lian

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  3. AnonymousApril 15, 2009 at 12:15 PM

    Fabian,
    You want to approximate f(x). So, g(x) is a second-order Taylor expansion of f(x). And obviously, if f(x) is defined only over R+, then do the plot for x in (0,5].
    MT

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  4. jdgApril 15, 2009 at 1:09 PM

    Ooops, again! My mistake. I have uploaded a new version of Problem Set 4 that takes care of Manuel's suggestion. Sorry!

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