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Easy and quick question

  1. Aug 30, 2010 #1
    What does the equation in the attached file mean in the f ' (x) notation?

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  2. jcsd
  3. Aug 30, 2010 #2


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    vv' = (v2)'/2
  4. Aug 30, 2010 #3
    Last edited: Aug 30, 2010
  5. Aug 30, 2010 #4


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    When you write u=u(x) you're simply clarifying that the function is dependent on x. It's very common to just stop writing u(x) because everybody knows that it's a function of x (for example, epenguin's post)

    v' is v'(x) in epenguin's post, and v is v(x) so it's v(x)v'(x)=(v(x)2)'/2
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