Ali Ashrafi

17 papers Journal 17
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Modified non-monotone adaptive retrospective trust region algorithm for unconstrained optimization.
J. Comb. Optim.
Seyed Hamzeh Mirzaei, Ali Ashrafi
2026 J jnl
A family of descent spectral three-term conjugate gradient methods based on the quasi-Newton aspects with applications to nonnegative matrix factorization and image restoration.
Numer. Algorithms
Maryam Khoshsimaye-Bargard, Ali Ashrafi
2025 J jnl
A New Nonmonotone Trust Region Algorithm Based on Simulated Annealing and Barzilai-Borwein Methods for Unconstrained Optimization.
Asia Pac. J. Oper. Res.
Seyed Hamzeh Mirzaei, Ali Ashrafi
2025 J jnl
A projected hybridization of the Hestenes-Stiefel and Dai-Yuan conjugate gradient methods with application to nonnegative matrix factorization.
J. Appl. Math. Comput.
Maryam Khoshsimaye-Bargard, Ali Ashrafi
2025 J jnl
An improved non-monotone trust region algorithm with a new adaptive radius for unconstrained optimization.
Math. Methods Oper. Res.
Seyed Hamzeh Mirzaei, Ali Ashrafi
2025 J jnl
Improving the hyperspectral image classification using convolutional neural networks and spectral-spatial information.
Earth Sci. Informatics
Davood Akbari, Komeil Rokni, Ali Ashrafi
2025 J jnl
New non-monotone line search-based adaptive trust region for solving unconstrained optimization problems.
INFOR Inf. Syst. Oper. Res.
Seyed Hamzeh Mirzaei, Ali Ashrafi
2023 J jnl
A descent family of the spectral Hestenes-Stiefel method by considering the quasi-Newton method.
Optim. Methods Softw.
Maryam Khoshsimaye-Bargard, Ali Ashrafi
2023 J jnl
A descent spectral Dai-Liao method based on the quasi-Newton aspects.
Numer. Algorithms
Maryam Khoshsimaye-Bargard, Ali Ashrafi
2023 J jnl
A family of the modified three-term Hestenes-Stiefel conjugate gradient method with sufficient descent and conjugacy conditions.
J. Appl. Math. Comput.
Maryam Khoshsimaye-Bargard, Ali Ashrafi
2021 J jnl
A new descent spectral Polak-Ribière-Polyak method based on the memoryless BFGS update.
Comput. Appl. Math.
Maryam Khoshsimaye-Bargard, Ali Ashrafi
2021 J jnl
Numerical pricing based on fractional Black-Scholes equation with time-dependent parameters under the CEV model: Double barrier options.
Comput. Math. Appl.
Maryam Rezaei, Ahmad Reza Yazdanian, Ali Ashrafi, Seyed Mahdi Mahmoudi
2021 J jnl
Quadratic double-ratio minimax optimization.
Oper. Res. Lett.
Arezu Zare, Ali Ashrafi, Yong Xia
2021 J jnl
SDO and LDO relaxation approaches to complex fractional quadratic optimization.
RAIRO Oper. Res.
Ali Ashrafi, Arezu Zare
2019 J jnl
A new hybrid conjugate gradient method for large-scale unconstrained optimization problem with non-convex objective function.
Comput. Appl. Math.
Zahra Khoshgam, Ali Ashrafi
2019 J jnl
A new modified scaled conjugate gradient method for large-scale unconstrained optimization with non-convex objective function.
Optim. Methods Softw.
Zahra Khoshgam, Ali Ashrafi
2018 J jnl
SECIMTools: a suite of metabolomics data analysis tools.
BMC Bioinform.
Alexander S. Kirpich, Miguel Ibarra, Oleksandr Moskalenko, Justin M. Fear, Joseph Gerken, Xinlei Mi, Ali Ashrafi, Alison M. Morse, Lauren M. McIntyre