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Small oscillations

  1. Sep 3, 2012 #1
    Dear friends,

    In small oscillation problem of classical mechanics, the generalized force is zero (Eq. (6-1)) of the Goldstein book.
    The suffix 'i' represent the the particle number or coordinate?
    In Eq. (6-3) of the same problem the summation convention is used. what is the purpose of using it?
    In Eq. (6-5), the mass of the system m_{ij} is used.
    Whether it indicates that mass of the system varies with space?
    Why the mass is expanded in terms of Taylor series?

    Ref: Classical mechanics by Goldstein.
    Thanks in well advance.
  2. jcsd
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