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Student Support Forum: 'Solution of Differential Equations' topicStudent Support Forum > General > "Solution of Differential Equations"

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Bento Mano Kato
07/15/00 07:56am

How to solve:
DSolve[Derivative[0,4][w][x,y]+2*Derivative[2,2][w][x,y]+Derivative[4,0][w][x,y]==f[x,y],w[x,y],{x,y}]
or
CompleteIntegral[Derivative[0,4][w][x,y]+2*Derivative[2,2][w][x,y]+Derivative[4,0][w][x,y]==f[x,y],w[x,y],{x,y}]
This equation is the Lagrange´s Equation of Thin Plates.
Does Mathematica solve a partial differential equation of fourth order in two variables? How to deal this equation with Mathematica?

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