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Math Help - Matrix algebra

  1. #1
    Member
    Joined
    Mar 2009
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    Matrix algebra

    Hi everyone can some help me with this? I have been working on this problem for three days straight but to no avail.

    Assume there two N x M matrices- A and B:

    such that their inverses of A'B, B'A and B'B can be found.

    Where the mark: ' represents a transpose function.

    Given that show that: (VA)^-1(V'y) yeilds:

    (B'A)^-1(B'y)

    where V= B(B'B)^-1B'A

    the "^-1" represents an inverse matrix.

    Hope you can can assist.

    thanks!
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  2. #2
    Senior Member
    Joined
    May 2010
    From
    Los Angeles, California
    Posts
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    Thanks
    1

    Re: Matrix algebra

    Something's wrong with your statement. The matrix V has size n\times m and so VA is not defined.
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