Convergence domains of AOR type iterative matrices for solving non-Hermitian linear systems

L Wang - Journal of Computational Mathematics, 2004 - JSTOR
We discuss AOR type iterative methods for solving non-Hermitian linear systems based on
Hermitian splitting and skew-Hermitian splitting. Convergence domains of iterative matrices …

Computing the Karcher mean of symmetric positive definite matrices

DA Bini, B Iannazzo - Linear Algebra and its Applications, 2013 - Elsevier
Computing the Karcher mean of symmetric positive definite matrices Page 1 Linear Algebra and
its Applications 438 (2013) 1700–1710 Contents lists available at SciVerse ScienceDirect …

The geometric mean algorithm

R Ralha - Applied Mathematics and Computation, 2012 - Elsevier
Bisection (of a real interval) is a well known algorithm to compute eigenvalues of symmetric
matrices. Given an initial interval [a, b], convergence to an eigenvalue which has size much …

The Jacobi Eigenvalue Algorithm for Computing the Eigenvalues of a Dual Quaternion Hermitian Matrix

Y Chen, L Zhang - arXiv preprint arXiv:2405.13649, 2024 - arxiv.org
In this paper, we generalize the Jacobi eigenvalue algorithm to compute all eigenvalues and
eigenvectors of a dual quaternion Hermitian matrix and show the convergence. We also …

A new optimized iterative method for solving M-matrix linear systems

A Fakharzadeh Jahromi, N Nasseri Shams - Applications of Mathematics, 2022 - Springer
In this paper, we present a new iterative method for solving a linear system, whose
coefficient matrix is an M-matrix. This method includes four parameters that are obtained by …

Parallel approximation of the exponential of Hermitian matrices

F Hecht, SM Kaber, L Perrin, A Plagne… - arXiv preprint arXiv …, 2023 - arxiv.org
In this work, we consider a rational approximation of the exponential function to design an
algorithm for computing matrix exponential in the Hermitian case. Using partial fraction …

Simultaneous diagonalization via congruence of Hermitian matrices: some equivalent conditions and a numerical solution

TH Le, TN Nguyen - SIAM Journal on Matrix Analysis and Applications, 2022 - SIAM
This paper aims at solving the Hermitian SDC problem, which is the simultaneous
diagonalization via *-congruence of a finite collection of Hermitian matrices. The matrices do …

Efficient orthogonal matrix polynomial based method for computing matrix exponential

J Sastre, J Ibánez, E Defez, P Ruiz - Applied Mathematics and …, 2011 - Elsevier
The matrix exponential plays a fundamental role in the solution of differential systems which
appear in different science fields. This paper presents an efficient method for computing …

[HTML][HTML] Approximating the principal matrix square root using some novel third-order iterative methods

A Sadeghi - Ain Shams Engineering Journal, 2018 - Elsevier
It is known that the matrix square root has a significant role in linear algebra computations
arisen in engineering and sciences. Any matrix with no eigenvalues in R-has a unique …

A convergence analysis of the inexact Rayleigh quotient iteration and simplified Jacobi-Davidson method for the large Hermitian matrix eigenproblem

ZX Jia, Z Wang - Science in China Series A: Mathematics, 2008 - Springer
The inexact Rayleigh quotient iteration (RQI) is used for computing the smallest eigenpair of
a large Hermitian matrix. Under certain condition, the method was proved to converge …