Backward error analysis of cyclic reduction for the solution of tridiagonal systems
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- by Pierluigi Amodio and Francesca Mazzia PDF
- Math. Comp. 62 (1994), 601-617 Request permission
Abstract:
Tridiagonal systems play a fundamental role in matrix computation. In particular, in recent years parallel algorithms for the solution of tridiagonal systems have been developed. Among these, the cyclic reduction algorithm is particularly interesting. Here the stability of the cyclic reduction method is studied under the assumption of diagonal dominance. A backward error analysis is made, yielding a representation of the error matrix for the factorization and for the solution of the linear system. The results are compared with those for LU factorization.References
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Additional Information
- © Copyright 1994 American Mathematical Society
- Journal: Math. Comp. 62 (1994), 601-617
- MSC: Primary 65G05; Secondary 15A06, 65F05
- DOI: https://doi.org/10.1090/S0025-5718-1994-1208836-X
- MathSciNet review: 1208836