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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


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  4. Jul 6, 2015 #3


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    Staff: Mentor

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

    Thread closed.
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