Search Results

• A Linear Hybridization of Dai-Yuan and Hestenes-Stiefel Conjugate Gradient Method for Unconstrained Optimization

  Sindhu Narayanan, P. Kaelo

  2021-01-26

  DOI:10.4208/nmtma.OA-2020-0056

  45903 2637 pp. 527-539

• Locally Optimal Preconditioned Conjugate Gradient Method for Computing Ground State of Space-Fractional Nonlinear Schrödinger Equation

  Biyun Zhu, Aiguo Xiao, Xueyang Li

  2026-01-26

  DOI:10.4208/nmtma.OA-2025-0107

  189 213

• Spectral Analysis for Preconditioning of Multi-Dimensional Riesz Fractional Diffusion Equations

  Xin Huang, Xue-Lei Lin, Michael K. Ng, Hai-Wei Sun

  2022-07-19

  DOI:10.4208/nmtma.OA-2022-0032

  42252 3276 pp. 565-591

• Preconditioned Iterative Methods for Algebraic Systems from Multiplicative Half-Quadratic Regularization Image Restorations

  ZhongZhi Bai, Yu-Mei Huang, Michael K. Ng, Xi Yang

  2010-03-01

  DOI:10.4208/nmtma.2010.m9014

  41404 4011 pp. 461-474

• Two Globally Convergent Hybrid CG Methods with Adaptive Restart Strategy for Riemannian Optimization

  Yun Wang, Meixuan Jiang, Hu Shao, Xiaoquan Wang, Ting Wu

  2025-10-22

  DOI:10.4208/nmtma.OA-2024-0030

  5590 349 pp. 1100-1124

• An Efficient Cartesian Grid-Based Method for Scattering Problems with Inhomogeneous Media

  Haixia Dong, Wenjun Ying, Jiwei Zhang

  2023-04-10

  DOI:10.4208/nmtma.OA-2022-0159

  36408 2655 pp. 541-564

• Spectral Optimization Methods for the Time Fractional Diffusion Inverse Problem

  Xingyang Ye, Chuanju Xu

  2013-06-01

  DOI:10.4208/nmtma.2013.1207nm

  40027 3944 pp. 499-519

• A Modified Version of the PRESB Preconditioner for a Class of Non-Hermitian Complex Systems of Linear Equations

  Owe Axelsson, Davod Khojasteh Salkuyeh

  2025-09-01

  DOI:10.4208/nmtma.OA-2024-0116

  5137 413 pp. 756-770

• Numerical Effects of the Gaussian Recursive Filters in Solving Linear Systems in the 3Dvar Case Study

  Salvatore Cuomo, Ardelio Galletti, Giulio Giunta, Livia Marcellino

  2017-10-01

  DOI:10.4208/nmtma.2017.m1528

  38912 2708 pp. 520-540

• A High-Quality Preconditioning Technique for Multi-Length-Scale Symmetric Positive Definite Linear Systems

  Ichitaro Yamazaki, Zhaojun Bai, Wenbin Chen, Richard Scalettar

  2009-02-01

  DOI:10.4208/nmtma.2009.m9008s

  39966 3738 pp. 469-484