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Can't understand the meaning of some symbols

  1. May 20, 2011 #1
    1. The problem statement, all variables and given/known data
    This is an extract from elements of mechanics by giovanni.
    I'[m unable to understand the meaning of [tex]R^d[/tex] and [tex]C^\infty[/tex]

    http://flic.kr/p/9K8P7p


    2. Relevant equations



    3. The attempt at a solution
     
    Last edited: May 20, 2011
  2. jcsd
  3. May 20, 2011 #2

    tiny-tim

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    hi shakgoku! :smile:

    Rd is the same as Rn

    i assume "d" stands for "dimension" :biggrin:

    and C is the space of functions which are differentiable "infinitely many" times
     
  4. May 20, 2011 #3
    Hey tiny-tim!

    Thank you , now everything in the page makes sense to me! :)
     
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