Abstract
A convergence theorem is given for the numerical computation of eigenvalues of self-adjoint operators. The computed eigenvectors are used to construct trial solutions which can be used to obtain easily computable and accurate error estimates.
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References
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Linz, P. Error estimates for the computation of eigenvalues of self-adjoint operators. BIT 12, 528–533 (1972). https://doi.org/10.1007/BF01932962
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DOI: https://doi.org/10.1007/BF01932962