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Vibrational mode "cofactor" ?

  1. Apr 29, 2015 #1
    Here's a problem I am doing right now.
    ?temp_hash=a9a8ead7971477e5bc27cce5f0cb1f06.png

    What are the cofactors " ## \Delta_{i \alpha} ##"? I know they are represent the minor of some determinant, but I am confused and can't see which determinant it is.

    Also, could somebody please help me and explain why ## ( V_{ij} - \omega^2 T_{ij} ) \Delta_{i \alpha}##?

    Thanks
     

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    Last edited: Apr 29, 2015
  2. jcsd
  3. Apr 29, 2015 #2
  4. Apr 30, 2015 #3
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