A descent-safeguarded PRP-type conjugate gradient with global convergence and CUTEst benchmarks. J. Nig. Soc. Phys. Sci. [Internet]. 2026 May 25 [cited 2026 May 26];8(2):3118. Available from: https://journal.nsps.org.ng/index.php/jnsps/article/view/3118