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Math Help - Somebody help me, I have calculus test tomorow

  1. #1
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    Somebody help me, I have calculus test tomorow

    Somebody help me, I have calculus test tomorow

    My teacher was teaching Fourier Series, and he said that those questions is going to be in the test
    Somebody help me, I don't have any idea how to solve it

    uxx-uxy-6uyy=x
    uxx-5uxy+6uyy=y
    uxx-3uxy-4uyy=x

    Thanks
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  2. #2
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    Quote Originally Posted by nathanfsu View Post
    Somebody help me, I have calculus test tomorow

    My teacher was teaching Fourier Series, and he said that those questions is going to be in the test
    Somebody help me, I don't have any idea how to solve it

    uxx-uxy-6uyy=x
    uxx-5uxy+6uyy=y
    uxx-3uxy-4uyy=x

    Thanks
    Boundary conditions?

    (I assume your notation is attempting to represent partial derivatives)
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  3. #3
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    No Boundary conditions, indeed it is partial derivatives
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