On determination of eigenvalues and eigenvectors of selfadjoint operators
Applications of Mathematics, Tome 26 (1981) no. 3, pp. 161-170.

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Two simple methods for approximate determination of eigenvalues and eigenvectors of linear self-adjoint operators are considered in the following two cases: (i) lower-upper bound $\lambda _1$ of the spectrum $\sigma (A)$ of $A$ is an isolated point of $\sigma (A)$; (ii) $\lambda _1$ (not necessarily an isolated point of $\sigma (A)$ with finite multiplicity) is an eigenvalue of $A$.
DOI : 10.21136/AM.1981.103908
Classification : 47A10, 47A70, 47B25, 49G20, 65J10
Mots-clés : eigenvalues; eigenvectors; self-adjoint operators; spectrum 
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     title = {On determination of eigenvalues and eigenvectors of selfadjoint operators},
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Kolomý, Josef. On determination of eigenvalues and eigenvectors of selfadjoint operators. Applications of Mathematics, Tome 26 (1981) no. 3, pp. 161-170. doi : 10.21136/AM.1981.103908. https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1981.103908/

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