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Simon Bridge

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You should be able to work out an equation for a nonlinear travelling wave by comparing bthe definition of "travelling wave" with that of "nonlinear equation".

http://en.wikipedia.org/wiki/Nonlinear_system#Examples_of_nonlinear_equations

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sophiecentaur

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Simon Bridge

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https://www.physicsforums.com/threads/is-a-given-expression-a-travelling-wave.793693/

At this level there is a certain amount of painful learning and checking things - it's good discipline, which is why there is this tendancy to answer this sort of question with "work it out for yourself". ;)

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