Unformatted text preview: du u = dt Thus the solution of the second ODE is ln u = t + ln K and the constant is f ( x ) u ( x, t ) = f ( x ) e t Substitute x from the characteristic curve u ( x, t ) = f x − 3 2 t 2 ± e t 233...
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 Fall '08
 BELL,D
 dt, characteristic equation, characteristic curve

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