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Normalisation

Discussion in 'Mathematics' started by Polecat, Jul 4, 2011.

  1. Who said we have to normalise vectors?
    Sometimes, if asked for, but not as a matter of course.

     
  2. Don't we need three mutually orthogonal normalised eigenvectors to diagonalise a symmetric matrix?
    To be honest, I'm not entirely sure why one would want or need to do that but it makes me giggle every time I teach it. It's definitely one of the things that make you go "hmmmmmm".
     

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