J
Jieyong Zhou
Researcher at Shanghai University of Finance and Economics
Publications - 5
Citations - 28
Jieyong Zhou is an academic researcher from Shanghai University of Finance and Economics. The author has contributed to research in topics: Linear system & Iterative method. The author has an hindex of 3, co-authored 4 publications receiving 27 citations. Previous affiliations of Jieyong Zhou include Xinjiang University of Finance and Economics.
Papers
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Stagnation analysis of DGMRES
Jieyong Zhou,Yimin Wei +1 more
TL;DR: For problems of dimension two and index one, the iterative method DGMRES for solving Drazin inverse solution of singular linear systems of equations which makes no progress in its initial iterations can be extended to higher dimensions for a class of eigenvector matrices called extreme.
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A two-step algorithm for solving singular linear systems with index one
Jieyong Zhou,Yimin Wei +1 more
TL;DR: A two-step algorithm for solving singular linear systems with a DGCR type algorithm for Drazin-inverse solution of singular non-symmetric linear systems is presented.
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The analysis of restart DGMRES for solving singular linear systems
Jieyong Zhou,Yimin Wei +1 more
TL;DR: It is shown that DGMRES convergence can be extremely sensitive to small changes in the initial residual, and that small values of the restart parameter may converge faster than larger values.
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A simpler DGMRES
TL;DR: A simpler version of the DGMRES algorithm to solve the Drazin-inverse solution of large scale and sparse consistent or inconsistent singular linear systems with an arbitrary index is presented.
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Numerical solution of singular Sylvester equations
TL;DR: In this article , the singular Sylvester equation of the form AX−XD⊤=E (or AXB ⊤−CXD =E), where the spectra have a nonempty intersection, was solved using appropriate invariant subspaces.