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Math Help - Gaussian elimination 4 linear equations

  1. #1
    den
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    Gaussian elimination 4 linear equations

    Gaussian elimination 4 linear equations
    where x y z w are non negative
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  2. #2
    o_O
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    What is the question you're having problems with?
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  3. #3
    den
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    Gaussian elimination

    When I work out from the piovt rows 2, 3 & 4 work out the same and I not sure about x,y,z &w being non negative, some of my values are negative.

    Thanks
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  4. #4
    o_O
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    I mean specifically post the question you're having problems with. I can hardly guess what the problem is without seeing what the question is and what you've done. Then we'll see what we can do!
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  5. #5
    den
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    Gaussian Elimination

    Sorry I taught I had attached file previously
    Attached Files Attached Files
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  6. #6
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    You appear to be right; the solution has some values negative. This means that the routes are not all 1-way.
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