A Perry-type derivative-free algorithm for solving nonlinear system of equations and minimizing ℓ1 regularized problem

AM Awwal, P Kumam, H Mohammad, W Watthayu… - Optimization, 2021 - Taylor & Francis
In this paper, we propose a Perry-type derivative-free algorithm for solving systems of
nonlinear equations. The algorithm is based on the well-known BFGS quasi-Newton method …

A new restarting adaptive trust-region method for unconstrained optimization

M Kimiaei, S Ghaderi - Journal of the Operations Research Society of …, 2017 - Springer
In this paper, we present a new adaptive trust-region method for solving nonlinear
unconstrained optimization problems. More precisely, a trust-region radius based on a …

A Trust Region Method with Regularized Barzilai-Borwein Step-Size for Large-Scale Unconstrained Optimization

X Xu, C An - arxiv preprint arxiv:2409.14383, 2024 - arxiv.org
We develop a Trust Region method with Regularized Barzilai-Borwein step-size obtained in
a previous paper for solving large-scale unconstrained optimization problems …

A new class of conjugate gradient methods for unconstrained smooth optimization and absolute value equations

F Rahpeymaii, K Amini, T Allahviranloo… - Calcolo, 2019 - Springer
In this paper, we introduce a new three-term conjugate gradient (NTTCG) method to solve
unconstrained smooth optimization problems. NTTCG is based on conjugate gradient …

A trust-region method with improved adaptive radius for systems of nonlinear equations

H Esmaeili, M Kimiaei - Mathematical Methods of Operations Research, 2016 - Springer
In this study, a new adaptive trust-region strategy is presented to solve nonlinear systems.
More specifically, we propose a new method leading to produce a smaller trust-region …

Impulse noise removal by an adaptive trust-region method

M Kimiaei, F Rahpeymaii - Soft Computing, 2019 - Springer
This paper suggests a two-phase scheme for the impulse noise removal. In the first phase,
an adaptive median filter (AMF) identifies noise candidates created by salt-and-pepper …

Combining non-Monotone trust rregion method with a new adaptive radius for unconstrained optimization problems

SH Mirzaei, A Ashrafi - Journal of decisions and operations research, 2024 - journal-dmor.ir
Purpose: One of the most effective methods for solving unconstrained optimization problems
is the trust region method. The strategy of determining the radius of the trust region has a …

[PDF][PDF] A Trust-region Method Using Extended Nonmonotone Technique for Unconstrained Optimization.

M Kimiaei, H Esmaeili, F Rahpeymaii - Iranian Journal of Mathematical …, 2021 - ijmsi.ir
In this paper, we present a nonmonotone trust-region algorithm for unconstrained
optimization. We first introduce a variant of the nonmonotone strategy proposed by …

Solving unconstrained optimization problems by a new conjugate gradient method with sufficient descent property

F Rahpeymaii, M Rostami - Sultan Qaboos University Journal …, 2022 - journals.squ.edu.om
There have been some conjugate gradient methods with strong convergence but numerical
instability and conversely‎. Improving these methods is an interesting idea to produce new …

A non-monotone pattern search approach for systems of nonlinear equations

K Amini, M Kimiaei, H Khotanlou - International Journal of …, 2019 - Taylor & Francis
In this paper, a new pattern search is proposed to solve the systems of nonlinear equations.
We introduce a new non-monotone strategy which includes a convex combination of the …