Homework Statement
psi(x,y)= Asin((ax^2)-(by^2))
Does this expression represent a traveling wave? If so what is the direction and speed of the wave?
Homework Equations
This wave resembles a a harmonic wave.
psi(x,t)= Asin(kx-wt+phi)
The Attempt at a Solution
Ok, A,a,b are...