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Math Help - Need help for matrix operation

  1. #1
    Member moonnightingale's Avatar
    Joined
    Sep 2009
    Posts
    135

    Need help for matrix operation

    I am having matrix equation

    A= B x C

    Where B= 0 1 0
    1 0 0
    1 1 0
    1 1 0

    and C = 1 1 0 1 0 0
    0 1 1 0 1 0
    1 0 1 0 0 1

    And by equation A= B x C my answer is

    A= 0 1 1 0 1 0
    1 1 0 1 0 0
    1 0 1 1 1 0
    1 0 1 1 1 0

    ****************************
    I want to ask If A and B are known to me , how can i calculate C

    I tired C= A x B(inverse)

    in matlab but it gave error
    Kindly help me to calculate C if A and B are known
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  2. #2
    Senior Member Stroodle's Avatar
    Joined
    Jun 2009
    Posts
    367
    Quote Originally Posted by moonnightingale View Post
    I want to ask If A and B are known to me , how can i calculate C

    I tired C= A x B(inverse)

    in matlab but it gave error
    Kindly help me to calculate C if A and B are known
    Hi there.

    You can multiply both sides of the equation by B^{-1}, but from the left side.

    i.e. C=B^{-1}A

    not C=AB^{-1}
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