Given u(x,y) = ф(3x-2y)

(ф is an arbitrary function) find a PDE for u. Im just not sure how to start this question, any suggestions?

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- Jan 18th 2011, 06:24 PMmel240Partial differential equations
Given u(x,y) = ф(3x-2y)

(ф is an arbitrary function) find a PDE for u. Im just not sure how to start this question, any suggestions? - Jan 18th 2011, 06:32 PMdwsmith
- Jan 19th 2011, 04:32 AMJester