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Orthonormal basis

  1. Jul 6, 2015 #1
    What is an orthonormal basis??
    How is the scalar product of orthonormal basis in GR--
    a.b = ηαβaαbβ.
    Please explain
     
  2. jcsd
  3. Jul 6, 2015 #2

    e.bar.goum

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  4. Jul 6, 2015 #3

    Nugatory

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    And if ever there was a thread in which what e.bar.goum said should be the last word... This is it.

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