On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse

This study introduces a numerically efficient iterative solver for computing the Drazin generalized inverse, addressing a critical need for high-performance methods in matrix computations. The proposed two-step scheme achieves sixth-order convergence, distinguishing it as a higher-order method that...

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Main Authors: Keyang Zhang, Fazlollah Soleymani, Stanford Shateyi
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Axioms
Subjects:
Online Access:https://www.mdpi.com/2075-1680/14/1/22
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author Keyang Zhang
Fazlollah Soleymani
Stanford Shateyi
author_facet Keyang Zhang
Fazlollah Soleymani
Stanford Shateyi
author_sort Keyang Zhang
collection DOAJ
description This study introduces a numerically efficient iterative solver for computing the Drazin generalized inverse, addressing a critical need for high-performance methods in matrix computations. The proposed two-step scheme achieves sixth-order convergence, distinguishing it as a higher-order method that outperforms several existing approaches. A rigorous convergence analysis is provided, highlighting the importance of selecting an appropriate initial value to ensure robustness. Extensive numerical experiments validate the analytical findings, showcasing the method’s superior speed and efficiency, making it an advancement in iterative solvers for generalized inverses.
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institution Kabale University
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spelling doaj-art-99928b8a7c474dae85dfbd2a855269332025-01-24T13:22:10ZengMDPI AGAxioms2075-16802024-12-011412210.3390/axioms14010022On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized InverseKeyang Zhang0Fazlollah Soleymani1Stanford Shateyi2Department of Mathematical Sciences, New Jersey Institute of Technology, 323 Martin Luther King Blvd., Newark, NJ 07102, USADepartment of Mathematics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, IranDepartment of Mathematics and Applied Mathematics, School of Mathematical and Natural Sciences, University of Venda, P. Bag X5050, Thohoyandou 0950, South AfricaThis study introduces a numerically efficient iterative solver for computing the Drazin generalized inverse, addressing a critical need for high-performance methods in matrix computations. The proposed two-step scheme achieves sixth-order convergence, distinguishing it as a higher-order method that outperforms several existing approaches. A rigorous convergence analysis is provided, highlighting the importance of selecting an appropriate initial value to ensure robustness. Extensive numerical experiments validate the analytical findings, showcasing the method’s superior speed and efficiency, making it an advancement in iterative solvers for generalized inverses.https://www.mdpi.com/2075-1680/14/1/22generalized inverseorder of convergencenumerical methodinitial matrixDrazin
spellingShingle Keyang Zhang
Fazlollah Soleymani
Stanford Shateyi
On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse
Axioms
generalized inverse
order of convergence
numerical method
initial matrix
Drazin
title On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse
title_full On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse
title_fullStr On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse
title_full_unstemmed On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse
title_short On the Construction of a Two-Step Sixth-Order Scheme to Find the Drazin Generalized Inverse
title_sort on the construction of a two step sixth order scheme to find the drazin generalized inverse
topic generalized inverse
order of convergence
numerical method
initial matrix
Drazin
url https://www.mdpi.com/2075-1680/14/1/22
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AT stanfordshateyi ontheconstructionofatwostepsixthorderschemetofindthedrazingeneralizedinverse