Solving the Singular Semi-Sylvester Equation Using Drazin-Inverse and DGMRES Algorithm
Abstract
In this paper, we want to solve the singular semi-Sylvester equation using the Drazin-inverse and the Drazin-inverse generalized minimum residual method (DGMRES(m) algorithm). First, we transform the semi-Sylvester equation into a multiple linear systems. Then, we present the conditions and assumptions needed to apply the DGMRES(m) algorithm. We compare our proposed method with the Galerkin projection method in point of view CPU-time, accuracy and iteration number. Finally, by some numerical experiments, we show the efficiency of the proposed method.
Keywords
References
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Details
Primary Language
English
Subjects
Mathematical Sciences
Journal Section
Research Article
Authors
Publication Date
June 30, 2019
Submission Date
February 18, 2019
Acceptance Date
June 6, 2019
Published in Issue
Year 2019 Volume: 11 Number: 1