Question

In: Advanced Math

Find the linear space of eigenfunctions for the problem with periodic boundary conditions u′′(x) = λu(x)...

Find the linear space of eigenfunctions for the problem with periodic boundary conditions

u′′(x) = λu(x)

u(0) = u(2π)

u′(0) = u′(2π)

for (a) λ = −1 (b) λ = 0 (c) λ = 1.

Note that you should look for nontrivial eigenfunctions

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