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Math Help - Matrices

  1. #1
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    Matrices

    In A[X - B]C = D, all matrices are non-singular. What is the expression for matrix X?
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  2. #2
    Senior Member Peritus's Avatar
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    <br />
X = A^{ - 1} DC^{ - 1}  + B
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  3. #3
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    Quote Originally Posted by Peritus View Post
    <br />
X = A^{ - 1} DC^{ - 1}  + B
    why not X=C^{-1}DA^{-1} +B or X= (CA)^{-1}D +B
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  4. #4
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    because Matrix Multiplication is not commutative
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