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Usman Abbas Yakubu

Observed names: U A Yakubu, Usman A Yakubu, Usman A. Yakubu, Usman Abbas Yakubu*
ORCID: 0000-0002-6718-0523
Observed ORCID: 0000-0002-6718-0523
OpenAlex ID: A5010494588
Time Series Model Analysis Using Autocorrelation Function (ACF) and Partial Autocorrelation Function (PACF) for E-wallet Transactions during a Pandemic
2022 · Usman Abbas Yakubu, Moch Panji Agung Saputra · International Journal of Global Operations Research · 38
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Application of spectral conjugate gradient methods for solving unconstrained optimization problems
2020 · Sulaiman Mohammed Ibrahim, Usman Abbas Yakubu, et al. · An International Journal of Optimization and Control Theories & Applications (IJOCTA) · 26
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A New Conjugate Gradient Coefficient With Exact Line Search for Unconstrained Optimization
2018 · Abba V. Mandara, Mustafa Mamat, et al. · Far East Journal of Mathematical Sciences (FJMS) · 15
A Recent Modification on Dai-liao Conjugate Gradient Method for Solving Symmetric Nonlinear Equations
2018 · Usman Abbas Yakubu, Mustafa Mamat, et al. · Far East Journal of Mathematical Sciences (FJMS) · 14
The Performance Analysis of a New Modification of Conjugate Gradient Parameter for Unconstrained Optimization Models
2021 · I M Sulaiman, M. Mamat, et al. · Mathematics and Statistics · 13
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The convergence properties of a new hybrid conjugate gradient parameter for unconstrained optimization models
2021 · I M Sulaiman, M Mamat, et al. · Journal of Physics Conference Series · 5
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Minimizing Cost of Transportation By Vogel’s Approximation Method: A Case Study of Maisango Cement Nigeria Plc
2020 · Ibrahim Abdullahi, Rabiu Hamisu Kankarofi, et al. · Malaysian Journal of Computing and Applied Mathematics · 5
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New precise solitary wave solutions for coupled Higgs field equations via two enhanced methods
2025 · Usman Hassan, Jamilu Sabi’u, et al. · Scientific Reports · 2
Life Insurance Aggregate Claims Distribution Model Estimation
2023 · Setyo Yohandoko, Agung Prabowo, et al. · Operations Research International Conference Series · 2
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How to Teach English to Children Early on
2022 · Rizki Apriva Hidayana, Usman A. Yakubu · International Journal of Ethno-Sciences and Education Research · 2
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Descent Condition for a Scalar Parameter of Spectral HS (SpHS) Conjugate Gradient Method
2019 · Usman Abbas Yakubu*, Mustafa Mamat, et al. · International Journal of Recent Technology and Engineering (IJRTE) · 2
Scalar Parameter of a Spectral PRP Conjugate Gradient Method for Unconstrained optimization
2019 · Usman A Yakubu, Abdul Iguda, et al. · Malaysian Journal of Computing and Applied Mathematics · 2
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Secant Condition Free of a Spectral Wyl Conjugate Gradient (cg) Method and Its Global Convergence Properties
2018 · Usman Abbas Yakubu, Mustafa Mamat, et al. · Far East Journal of Mathematical Sciences (FJMS) · 2
Formación Docente En Educación Física Y El Deporte: Los Juegos Internos/ Integración De Educación Física UFSC
2014 · Usman Abbas Yakubu, Mustafa Mamat, et al. · Educación Física y Deporte · 1
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Two adaptive RMIL-TYPE conjugate gradient parameters derived by minimizing ℓ₁ and ℓ∞ norm condition numbers of its search direction matrix
2026 · Jibril Shehu Usman, Usman Abbas Yakubu, et al. · Journal of Basics and Applied Sciences Research
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A Modification of Conjugate Gradient Parameter and Its Global Convergence for Solving Unconstrained Optimization Problems
2025 · Abba V Mandara, Ahmadu M. Musa, et al. · Journal of Computational Innovation and Analytics (JCIA)
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Resolving the Palestine-Israel Conflict: The Role and Challenges for the United Nations
2024 · Lotfi Tadj, Fahmi Sidiq, et al. · International Journal of Humanities Law and Politics
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Maximizing income of Rufaidah sweetened Yoghurt processing company Kano-Nigeria
2024 · Ahmad Isah, Usman A. Yakubu, et al. · AIP conference proceedings
Vogel’s approximation technique on Annashuwa yogurt milk company, Sharada Phase II, Kano
2024 · Rabiu H. Kankarofi, Usman A. Yakubu, et al. · AIP conference proceedings
Determination of Annual Net Single Premium Health Insurance for Epidemic Cases with Model Susceptible-Infected-Recovered
2023 · Astrid Fitriolita, Agung Prabowo, et al. · International Journal of Quantitative Research and Modeling
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Application of Spectral PRP Conjugate Gradient Parameter for Unconstrained Optimization Problems
2020 · Usman Abbas Yakubu, Ibrahim Abdullahi, et al. · Malaysian Journal of Computing and Applied Mathematics
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Works count: 21
Citation count: 129
H-index: 5
I10-index: 5
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