An Efficient Iterative Approach for Hermitian Matrices Having a Fourth-Order Convergence Rate to Find the Geometric Mean

T Liu, T Li, MZ Ullah, AK Alzahrani, S Shateyi - Mathematics, 2024 - mdpi.com
The target of this work is to present a multiplication-based iterative method for two Hermitian
positive definite matrices to find the geometric mean. The method is constructed via the …

Finding the geometric mean for two Hermitian matrices by an efficient iteration method

Y Song, F Soleymani, A Kumar - Mathematical Methods in the …, 2022 - Wiley Online Library
In this work, an iterative method is developed to find the matrix sign function. It is discussed
in detail that the method is novel in comparison to its competitors from the Padé family of …

A fast iterative method to find the matrix geometric mean of two HPD matrices

H Bin Jebreen, A Akgül - Mathematical Methods in the Applied …, 2019 - Wiley Online Library
The purpose of this research is to present a novel scheme based on a quick iterative
scheme for calculating the matrix geometric mean of two Hermitian positive definite (HPD) …

An algorithm for computing geometric mean of two Hermitian positive definite matrices via matrix sign

F Soleymani, M Sharifi, S Shateyi… - Abstract and Applied …, 2014 - Wiley Online Library
Using the relation between a principal matrix square root and its inverse with the geometric
mean, we present a fast algorithm for computing the geometric mean of two Hermitian …

Solving system of nonlinear matrix equations over Hermitian positive definite matrices

R Erfanifar, K Sayevand, M Hajarian - Linear and Multilinear …, 2023 - Taylor & Francis
In this article, we first introduce the necessary and sufficient conditions for the existence of
the Hermitian positive definite solution group of a system of nonlinear matrix equations X 1 p …

Constructing a matrix mid-point iterative method for matrix square roots and applications

J Golzarpoor, D Ahmed, S Shateyi - Mathematics, 2022 - mdpi.com
In this paper, an improvement to the mid-point method is contributed for finding the square
root of a matrix as well as its inverse. To this aim, an iteration scheme to find this matrix …

The geometric mean of two matrices from a computational viewpoint

B Iannazzo - Numerical Linear Algebra with Applications, 2016 - Wiley Online Library
The geometric mean of two matrices is considered from a computational viewpoint. Several
numerical algorithms based on different properties and representations of the geometric …

A majorization-minimization algorithm for computing the Karcher mean of positive definite matrices

T Zhang - SIAM Journal on Matrix Analysis and Applications, 2017 - SIAM
An algorithm for computing the Karcher mean of n positive definite matrices is proposed,
based on the majorization-minimization (MM) principle. The proposed MM algorithm is …

Matrix arithmetic-geometric mean and the computation of the logarithm

JR Cardoso, R Ralha - SIAM Journal on Matrix Analysis and Applications, 2016 - SIAM
We investigate the stability of the matrix arithmetic-geometric mean (AGM) iteration. We
show that the classical formulation of this iteration may be not stable (a necessary and …

Two Relaxed Gradient-Based Algorithms for the Hermitian and Skew-Hermitian Solutions of the Linear Matrix Equation AXB + CXD = F

AME Bayoumi - Iranian Journal of Science and Technology …, 2019 - Springer
In this paper, two relaxed gradient-based algorithms for solving the linear matrix equation
AXB+ CXD= F AXB+ CXD= F and finding the Hermitian and skew-Hermitian solutions are …