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Determinant of Symmetric Matrix

  1. May 12, 2012 #1
    How to prove that the determinant of a symmetric matrix with the main diagonal elements zero and all other elements positive is not zero and different ?
  2. jcsd
  3. May 13, 2012 #2


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    different from what?
  4. May 14, 2012 #3
    all different element
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