Question: Consider the two-dimensional Helmholtz equation Vu + k?u = 0 inside the circler = R, with the boundary condition u = f(0) at r

Consider the two-dimensional Helmholtz equation Vu + k?u = 0 inside the

Consider the two-dimensional Helmholtz equation Vu + k?u = 0 inside the circler = R, with the boundary condition u = f(0) at r = R. The solution can be written as -27 u(r, 0) = do' f(0') G(r, 0'). Find G(r,0).

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