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Eigenvalue solver in COMSOL

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I am solving a PDE in COMSOL with the eigenvalue solver. When I compute the solution I get only one solution when in reality I should get an infinite number of eigenmodes. How do I access the different eigenmodes and more importantly: In what order does COMSOL give me the eigenmodes? Does it start from the lowest eigenvalue and work its way up depending on the number of eigenvalues you demanded?

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