Lower Bound to the nth Eigenvalue of the Helmholtz Equation Over Two-Dimensional Regions of Arbitrary Shape
David Pnueli
Abstract
David Pnueli
Abstract
A method is presented to compute a lower bound to the nth eigenvalue of the Helmholtz equation over two-dimensional regions. The shape of the regions is arbitrary and only their area need be known.
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A method is presented to compute a lower bound to the nth eigenvalue of the Helmholtz equation over two-dimensional regions. The shape of the regions is arbitrary and only their area need be known.
Key concepts: Helmholtz equation, Eigenvalues and eigenvectors, Upper and lower bounds, Helmholtz free energy, Mathematics, Mathematical analysis, Physics, Boundary value problem