A METHOD FOR SOLVING SYSTEMS OF LINEAR EQUATIONS WHOSE COEFFICIENT MATRICES ARE NORMAL AND SPECIAL.
Publish place: 38th Annual Iranian Mathematics Conference
Publish Year: 1386
Type: Conference paper
Language: English
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Document National Code:
AIMC38_218
Index date: 18 August 2008
A METHOD FOR SOLVING SYSTEMS OF LINEAR EQUATIONS WHOSE COEFFICIENT MATRICES ARE NORMAL AND SPECIAL. abstract
A minimal residual method, called MINRES-N2 that is based on the use of unconventional Krylov subspaces was previously proposed by the authors for solving a system of linear equations Ax=b with a normal conefficient matrix whose spectrum belongs to an algebriac second-degree curve Γ. However, the computational scheme of this method dose not cover matrices of the from A=αU+βI, where U is an arbitrary unitary matrix; for such matrices, Γ. is a circle.
A METHOD FOR SOLVING SYSTEMS OF LINEAR EQUATIONS WHOSE COEFFICIENT MATRICES ARE NORMAL AND SPECIAL. Keywords:
linear polynomials in unitary matrices- minimal residual method modifuction of the MINRES-N2 algorithm
A METHOD FOR SOLVING SYSTEMS OF LINEAR EQUATIONS WHOSE COEFFICIENT MATRICES ARE NORMAL AND SPECIAL. authors
M DANA
Department of Mathematics, kurdestan University, Sanandaj, Iran