The Minimum of Spectral Radius Linear System in Preconditioned
Gang Lei
Abstract
Gang Lei
Abstract
By using matrix spliting analysis and comparison theorems,the spectral radius of the Gauss-Seidel iterative method being the minimum is proved under the condition that the linear systems matrix A is a diagonally dominant L-matrix.That is the Gauss-Seidel iterative method being the fastest iterative method in the AOR method.Last the numerical example is given.
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By using matrix spliting analysis and comparison theorems,the spectral radius of the Gauss-Seidel iterative method being the minimum is proved under the condition that the linear systems matrix A is a diagonally dominant L-matrix.That is the Gauss-Seidel iterative method being the fastest iterative method in the AOR method.Last the numerical example is given.
Key concepts: Spectral radius, Mathematics, Iterative method, Diagonally dominant matrix, Gauss–Seidel method, Matrix (chemical analysis), Linear system, M-matrix