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Math Help - an example of a matrix equation

  1. #1
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    an example of a matrix equation

    let A be a 3x3 matrix. The matrix equation Ax= [1 1 1] must have a solution.




    give an example when this is false.
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  2. #2
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    Quote Originally Posted by cottekr View Post
    let A be a 3x3 matrix. The matrix equation Ax= [1 1 1] must have a solution.


    give an example when this is false.
    A=0

    EDIT: I've just seen your last post as well. You should have known to guess the zero matrix. Always try the simplest way first!
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