Abstract
It is required to determine a diagonal matrix X such that the symmetric matrix A+X has preassigned eigenvalues (the additive problem). An iteration process is described that is based on the use of two-dimensional rotations, and convergence problems are analyzed.
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Literature cited
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Additional information
Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova AN SSSR, Vol. 48, pp. 12–17, 1974.
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Kublanovskaya, V.N. The solution of the additive eigenvalue problem of matrices. J Math Sci 10, 647–651 (1978). https://doi.org/10.1007/BF01083965
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DOI: https://doi.org/10.1007/BF01083965