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 …

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 …

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 …

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 …

Means of Hermitian positive-definite matrices based on the log-determinant α-divergence function

Z Chebbi, M Moakher - Linear Algebra and its Applications, 2012 - Elsevier
The set of Hermitian positive-definite matrices plays fundamental roles in many disciplines
such as mathematics, numerical analysis, probability and statistics, engineering, and …

[PDF][PDF] Approximate matrix geometric means based on the inductive mean

EM Massart, JM Hendrickx, PA Absil - 2015 - Citeseer
We propose a new algorithm to approximate the Karcher mean of N symmetric positive
definite (SDP) matrices. By" Karcher mean", we refer to the Riemannian center of mass with …

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 …

[HTML][HTML] Diagonality measures of Hermitian positive-definite matrices with application to the approximate joint diagonalization problem

K Alyani, M Congedo, M Moakher - Linear Algebra and its Applications, 2017 - Elsevier
In this paper, we introduce properly-invariant diagonality measures of Hermitian positive-
definite matrices. These diagonality measures are defined as distances or divergences …

[HTML][HTML] Approximate joint diagonalization and geometric mean of symmetric positive definite matrices

M Congedo, B Afsari, A Barachant, M Moakher - PloS one, 2015 - journals.plos.org
We explore the connection between two problems that have arisen independently in the
signal processing and related fields: the estimation of the geometric mean of a set of …