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Staffy

  • 3 years ago

Solve (∂^2u/∂x^2) + (∂^2u/∂y^2) = 0 in y > 0 and −∞ < x < ∞ with u(x, 0) = f(x).

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  1. zordoloom
    • 3 years ago
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    Is this Calc or Diff eq?

  2. zordoloom
    • 3 years ago
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    You still there?

  3. zordoloom
    • 3 years ago
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    I'm willing to work through this with you. A reply would be nice.

  4. Staffy
    • 3 years ago
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    It's differential equations, it's for a mathematical physics class

  5. r0n4ld
    • 3 years ago
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    the classic example of \(\displaystyle \frac{\partial^2 u }{\partial x^2}+\frac{\partial^2 u }{\partial y^2}=0\) is \(\displaystyle u(x,y)=e^x \cos y + e^y \sin y\)

  6. Staffy
    • 3 years ago
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    Sorry, I should specify that we are using fourier transforms to solve these problems

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