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Published in:
1991 | OriginalPaper | Chapter
Solving Triangular System in Parallel is Accurate
Author : Nai-kuan Tsao
Published in: Numerical Linear Algebra, Digital Signal Processing and Parallel Algorithms
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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An error complexity analysis of two algorithms for solving a unit diagonal triangular system is given. The results show that the usual sequential algorithm is optimal in terms of having the minimal maximum and cumulative error complexity measures. The parallel algorithm described by Sameh and Brent is shown to be essentially equivalent to the optimal sequential one.