An extension of the divide-and-conquer method for a class of symmetric block-tridiagonal eigenproblems.

A divide-and-conquer method for computing eigenvalues and eigenvectors of a block-tridiagonal matrix with rank-one off-diagonal blocks is presented. The implications of unbalanced merging operations due to unequal block sizes are analyzed and illustrated with numerical examples. It is shown that an...

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Pubblicato in:ACM transactions on mathematical software. 28, 1 (2002).
Autore principale: Gansterer, Wilfried N.
Altri autori: Ward, Robert C., Muller, Richard P.
Natura: Articolo
Lingua:English
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