A Solution Method for Nonlinear Monotone Equations via Hybrid Spectral Conjugate Gradient and Signal Recovery Problems

Aliyu Yusuf*, Nibron Haggai Manjak, Hassan Mohammad, Aliyu Ibrahim Kiri, Auwal Bala Abubakar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, we propose a method via hybrid spectral conjugate gradient to solve nonlinear monotone equations and signal recovery problems. This has been done using the hybrid conjugate gradient (CG) parameters of Dai-Yuan (DY), conjugate descent (CD), Hestenes-Stiefel (HS), Liu-Storey (LS) and the corresponding search direction of spectral conjugate gradient method. The search direction has proved to be adequately descent regardless of the step-size. Under reasonable assumptions, the convergence of the algorithm is established. Additionally, numerical tests are run on a set of benchmark test problems to illustrate the effectiveness and competitiveness of the new algorithm compared with other existing alternatives. Finally, some applications of the proposed algorithm are explored.

Original languageEnglish
Article number49
JournalOperations Research Forum
Volume5
Issue number2
DOIs
Publication statusPublished - Jun 2024
Externally publishedYes

Keywords

  • Conjugate gradient method
  • Global convergence
  • Nonlinear monotone equations
  • Numerical experiments
  • Spectral gradient parameter

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