A Spectral RMIL+ Conjugate Gradient Method for Unconstrained Optimization With Applications in Portfolio Selection and Motion Control. - Aliyu Muhammed Awwal; Ibrahim Mohammed Sulaiman; Maulana Malik; Mustafa Mamat; Poom Kumam; Kanokwan Sitthithakerngkiet (IEEE Access, 2021)

Modified spectral conjugate gradient iterative scheme for unconstrained optimization problems with application on COVID-19 model. - Fevi Novkaniza; Maulana Malik; Ibrahim Mohammed Sulaiman; Dipo Aldila (Frontiers Appl. Math. Stat., 2022)

Solving unconstrained optimization problems via hybrid CD-DY conjugate gradient methods with applications. - Jitsupa Deepho; Auwal Bala Abubakar; Maulana Malik; Ioannis K. Argyros (J. Comput. Appl. Math., 2022)

A hybrid conjugate gradient based approach for solving unconstrained optimization and motion control problems. - Auwal Bala Abubakar; Poom Kumam; Maulana Malik; Abdulkarim Hassan Ibrahim (Math. Comput. Simul., 2022)

A hybrid HS-LS conjugate gradient algorithm for unconstrained optimization with applications in motion control and image recovery. - Poom Kumam; Auwal Bala Abubakar; Maulana Malik; Abdulkarim Hassan Ibrahim; Nuttapol Pakkaranang; Bancha Panyanak (J. Comput. Appl. Math., 2023)

An efficient gradient-based algorithm with descent direction for unconstrained optimization with applications to image restoration and robotic motion control. - Ibrahim Mohammed Sulaiman; Aliyu Muhammed Awwal; Maulana Malik; Ruzelan Khalid; Aida Mauziah Benjamin; Mohd Kamal Mohd Nawawi; Elissa Nadia Madi (PeerJ Comput. Sci., 2025)