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Homework Help: Is ABCDEF = AB(C(D))EF for matricies

  1. Sep 15, 2005 #1

    eax

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    is ABCDEF = AB(C(D))EF for matricies? Also is ABCD(EFGH) = ABCDEFGH?

    Thanks in advance!
     
  2. jcsd
  3. Sep 15, 2005 #2

    EnumaElish

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    "Yes" to both, although I am not sure what C(D) means in terms of matrix multiplication.
     
  4. Sep 16, 2005 #3

    HallsofIvy

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    Yes, multiplication of matrices is "associative".
     
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