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Math Help - matrix inversion

  1. #1
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    Dec 2010
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    matrix inversion

    hello people i need a hand with this if you dont mind, its a matrix inversion and dont have a clue where to start.

    Thanks

    6.2a + 7.9v + 12.6s = 18
    7.5a + 4.8v + 4.8s = 6.39
    13a + 3.5v - 13s = -17.4

    acceleration (a) ms-2 (minus)
    Velocity (v) ms-1
    displacement (s) m
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  2. #2
    A Plied Mathematician
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    Have you done Gaussian elimination with back substitution? Or Kramer's Rule? Or matrix inversion? Do you know what elementary row operations are?
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