Can You Solve This Non-linear First Order PDE with Cauchy Data?

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SUMMARY

The discussion focuses on solving the non-linear first-order partial differential equation (PDE) given by the equation yux - xuy = xyu². The participants emphasize the need to find the general solution before addressing the Cauchy problem with the specific condition x = y = u. A key strategy mentioned is to divide out a factor of u, assuming u is not zero, to simplify the problem. This approach is crucial for progressing from linear first-order PDEs to tackling non-linear cases.

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Homework Statement


Find the general solution of Solve yux - xuy = xyu2

Next, solve the Cauchy problem with the Cauchy data x = y = u

Homework Equations

The Attempt at a Solution


My teacher told us we should investigate how to solve this. The problem is we just have seen linear first order PDE, but this is non-linear! Could you please give me a hint or a name to start with?
 
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Assume u is not zero. Apply your condition that x=y=u and divide out a factor of u.
 
RUber said:
Assume u is not zero. Apply your condition that x=y=u and divide out a factor of u.
I'm terrible sorry I didn't state the problem correctly. First I must find the general solution and next the condition x = y = u.
 

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