A Review on Quadrant Interlocking Factorization: WZ and WH Factorization
Keywords:
Quadrant interlocking factorization,WZ factorization,WH factorization, LU factorization, Linear systemsAbstract
Quadrant Interlocking Factorization (QIF), an alternative to LU factorization, is suitable for factorizing invertible matrix A such that det(A) , 0. The QIF, with its application in parallel computing, is the most efficient matrix factorization technique yet underutilized. The two forms of QIF among others, which are not only similar in algorithm but also in computation, are WZ factorization and WH factorization yet differs in applications and properties. This review discusses both the old form of QIF, called WZ factorization, and the latest form of QIF, called WH factorization, with an example and open questions to further the studies between the two factorization techniques.
Published
How to Cite
Issue
Section
Copyright (c) 2023 Dlal Bashir, Hailiza Kamarulhaili, Olayiwola Babarinsa

This work is licensed under a Creative Commons Attribution 4.0 International License.
How to Cite
Similar Articles
- Abdelhak Erraji, Abderrahim Maizate, Mohamed Ouzzif, An integral approach for complete migration from a relational database to MongoDB , Journal of the Nigerian Society of Physical Sciences: Volume 5, Issue 2, May 2023
- K. Issa, A. S. Olorunnisola, O. T. Aliu, A. D. Adeshola , Approximate solution of space fractional order diffusion equations by Gegenbauer collocation and compact finite difference scheme: Solution of space fractional diffusion equation , Journal of the Nigerian Society of Physical Sciences: Volume 5, Issue 2, May 2023
- Atiek Iriany, Wigbertus Ngabu, Henny Pramoedyo, Amarifai, Geographically weighted regression random forest for modeling soil particles , Journal of the Nigerian Society of Physical Sciences: Volume 8, Issue 2, May 2026
- Ganiyu Ajileye, Adewale James, Ayinde Abdullahi, Taiye Oyedepo, Collocation Approach for the Computational Solution Of Fredholm-Volterra Fractional Order of Integro-Differential Equations , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 4, November 2022
- M. Kida, S. Adamu, O. O Aduroja, P. T Pantuvo, Numerical Solution of Stiff and Oscillatory Problems using Third Derivative Trigonometrically Fitted Block Method , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 1, February 2022
- Olumide O. Olaiya, Mark I. Modebei, Saheed A. Bello, A One-Step Block Hybrid Integrator for Solving Fifth Order Korteweg-de Vries Equations , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 3, August 2022
- Thomas U. Onoja, Benson A. E. Afere, Ayodele Gabriel Fasanya, Sunday Yomi, Bolarinwa Bolaji, Transmission dynamics of dengue–Zika co-infection with antibody-dependent enhancement, cross-immunity, and vaccination: backward bifurcation analysis and data calibration , Journal of the Nigerian Society of Physical Sciences: Volume 8, Issue 3, August 2026
- Kazeem Issa, Risikat A. Bello, Usman Jos Abubakar, Approximate analytical solution of fractional-order generalized integro-differential equations via fractional derivative of shifted Vieta-Lucas polynomial , Journal of the Nigerian Society of Physical Sciences: Volume 6, Issue 1, February 2024
- U. N. Bassey, U. E. Edeke, Convolution equation and operators on the Euclidean motion group , Journal of the Nigerian Society of Physical Sciences: Volume 6, Issue 4, November 2024
- Nikita Bhardwaj, Monika Saini, Ashish Kumar, Estimation of reliability characteristics of single-unit repairable system with preventive maintenance and server arrival time , Journal of the Nigerian Society of Physical Sciences: Volume 8, Issue 2, May 2026
You may also start an advanced similarity search for this article.
Most read articles by the same author(s)
- Olayiwola Babarinsa, Graph Theory: A Lost Component For Development in Nigeria , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 3, August 2022
- Olayiwola Babarinsa, Olalekan Ihinkalu, Veronica Cyril-Okeme, Hailiza Kamarulhaili, Arif Mandangan, Azfi Zaidi Mohammad Sofi, Akeem B. Disu, Application of hourglass matrix in Goldreich-Goldwasser-Halevi encryption scheme , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 4, November 2022

