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math.OC2020★ 2 cited
Iterative algorithm with structured diagonal Hessian approximation for solving nonlinear least squares problems
Aliyu Muhammed Awwal, Poom Kumam, Hassan Mohammad
Nonlinear least-squares problems are a special class of unconstrained optimization problems in which their gradient and Hessian have special structures. In this paper, we exploit t…
math.OC2018
Structured two-point stepsize gradient methods for nonlinear least squares
Hassan Mohammad, Mohammed Yusuf Waziri
In this paper, we present two choices of structured spectral gradient methods for solving nonlinear least-squares problems. In the proposed methods, the scalar multiple of identity…