Abstract
We use the sampling method to compute the eigenvalues of a quadratic pencil. To do so we first prove a non standard representation of the eigensolution that allows us to decompose the characteristic function into Paley-Wiener functions. Numerical examples illustrating the computation by the sampling method of real as well as complex eigenvalues are provided at the end.
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Baskaya, E., Boumenir, A. Sampling and the Eigenvalues of a Quadratic Pencil. STSIP 18, 9–22 (2019). https://doi.org/10.1007/BF03549618
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DOI: https://doi.org/10.1007/BF03549618