[HTML][HTML] An integrated approach for developing an urban livability composite index—A cities' ranking road map to achieve urban sustainability

U Saeed, SR Ahmad, G Mohey-ud-din, HJ Butt… - Sustainability, 2022 - mdpi.com
Livability is a concept that assesses the quality of life and relative performance of different
regions and communities, based on various qualitative and quantitative factors. The …

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 …

[HTML][HTML] A new inversion-free iterative scheme to compute maximal and minimal solutions of a nonlinear matrix equation

M Zaka Ullah - Mathematics, 2021 - mdpi.com
The goal of this article is to investigate a new solver in the form of an iterative method to
solve X+ A∗ X− 1 A= I as an important nonlinear matrix equation (NME), where A, X, I are …

A globally convergent variant of mid-point method for finding the matrix sign

N Zainali, T Lotfi - Computational and Applied Mathematics, 2018 - Springer
In this research, an efficient variant of mid-point iterative method is given for computing the
sign of a square complex matrix having no pure imaginary eigenvalues. It is proven that the …

[PDF][PDF] Riccati equation and metric geometric means of positive semidefinite matrices involving semi-tensor products

P Chansangiam, A Ploymukda - AIMS Mathematics, 2023 - aimspress.com
We investigate the Riccati matrix equation XA− 1X= B in which the conventional matrix
products are generalized to the semi-tensor products. When A and B are positive definite …

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 Inversion‐Free Method for Finding Positive Definite Solution of a Rational Matrix Equation

F Soleymani, M Sharifi, S Karimi Vanani… - The Scientific World …, 2014 - Wiley Online Library
An Inversion‐Free Method for Finding Positive Definite Solution of a Rational Matrix Equation -
Soleymani - 2014 - The Scientific World Journal - Wiley Online Library Skip to Article Content Skip …

[PDF][PDF] Finding the solution of a nonlinear matrix problem by an inverse-free iteration scheme

T Nadaf, T Lotfi - International Journal of Mathematical Modelling & …, 2022 - journals.iau.ir
In this work, an iterative method under the umbrella of inverse-free methods which do not
rely on the calculation of the inverse matrix per loop is proposed for finding the maximal …

A generalized Steffensen's method for matrix sign function

FK Haghani - Applied Mathematics and Computation, 2015 - Elsevier
A direct generalized Steffensen's method is proposed for solving the quadratic matrix
equation F (X)≔ X 2− I= 0. In this way, when the matrix A is nonsingular, we derive a new …

[PDF][PDF] Computing the Matrix Geometric Mean of Two HPD Matrices: A Stable Iterative Method

F Kiyoumarsi - International Journal of Industrial Mathematics, 2020 - researchgate.net
In this paper, a new iteration scheme for computing the sign of a matrix which has no pure
imaginary eigenvalues is presented. Then, by applying a well-known identity in matrix …