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Skew-symmetric matrix proof

  1. Oct 22, 2006 #1

    j3n

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    Hey,

    I need help with thris proof.. :)

    Say A is a skew-symmetric matrix. Is B=A^2 skew-symmetric, symmetric or neither. Prove your answer.



    I know it's symmetric, but I'm having problems with subscriptmanship. Can anyone help me out?

    Thanks,
    j3n
     
  2. jcsd
  3. Oct 23, 2006 #2

    robphy

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    Science Advisor
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    Gold Member

    Here's a starting point:
    [tex]A=-A^\top[/tex]
     
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