Khalil K. Abbo, Hisham M. Khudhur. New A hybrid conjugate gradient Fletcher-Reeves and Polak-Ribiere algorithm for unconstrained optimization. Tikrit J. Pure Sci. [Internet]. 2023 Feb. 4 [cited 2024 Jul. 3];21(1):124-9. Available from: https://tjps.tu.edu.iq/index.php/tjps/article/view/962