Search Results - "Sparse matrices"

Research on defect quantification technique of Sparse array Total focusing method imaging based on Coherence factor weighting.

Authors: Da, Kang Hong, Zhang Yun-Miao, Zhang et al.

Source: EPJ Web of Conferences. 4/13/2026, Vol. 361, p1-9. 9p.

Research on the super-resolution reconstruction method of Lamb wave sparse TFM imaging.

Authors: Sun, Liu-Jia Han, Qing-Bang Jin, Qi-Lin

Source: Nondestructive Testing & Evaluation. Apr2026, Vol. 41 Issue 4, p1926-1941. 16p.

Subjects: Sparse matrices, Transformer models, Lamb waves, High resolution imaging, Convolutional neural networks, Imperfection, Ultrasonic imaging

Jacobian sparsity detection using Bloom filters.

Authors: Hovland, Paul D.¹ (AUTHOR) hovland@anl.gov

Source: Optimization Methods & Software. Apr2026, Vol. 41 Issue 2, p295-307. 13p.

Subjects: Sparse matrices

A Leakage-Resistant Digital Inheritance Distribution Scheme Based on Sparse-Matrix Secret Sharing.

Authors: Ma, Yucong Hou, Huiying Gan, Xuerui et al.

Source: Algorithms. May2026, Vol. 19 Issue 5, p410. 29p.

A Non-monotone Alternating Newton-Like Directional Method for Low-Rank and Sparse Matrix Compressive Recovery.

Authors: Wang, Chuan-Long Shen, Qian-Ying Yan, Xi-Hong et al.

Source: Journal of the Operations Research Society of China. Mar2026, Vol. 14 Issue 1, p246-269. 24p.

Solving Sparse Linear Systems Faster than Matrix Multiplication.

Authors: Peng, Richard Vempala, Santosh

Source: Journal of the ACM. Dec2025, Vol. 72 Issue 6, p1-72. 72p.

Theoretical Extensions and Numerical Analysis of Parameter-Manipulated HSS-Type Iterations for Sparse Linear Systems.

Authors: Oraibi, Shaymaa Hatem¹, shaimaahatem911@gmail.com

Source: Journal of Computational Analysis & Applications; 2025, Vol. 34 Issue 10, p481-504, 24p

A new and faster representation for counting integer points in parametric polyhedra.

Authors: Gribanov, Dmitry V. Malyshev, Dmitry S. Pardalos, Panos M. et al.

Source: Computational Optimization & Applications; Dec2025, Vol. 92 Issue 3, p811-861, 51p

Enhanced matrix pencil method for robust and efficient direction of arrival estimation in sparse and multi-frequency environments.

Authors: A. N., Ashraya M. B., Punithkumar

Source: International Journal of Electrical & Computer Engineering (2088-8708); Dec2025, Vol. 15 Issue 6, p5380-5387, 8p

NRSAI: An Adaptive and Efficient Preconditioner for Large Sparse Linear Systems.

Authors: Tang, Jia-Qi Guo, Xue-Ping Wen, Rui-Ping

Source: Mathematics (2227-7390). Dec2025, Vol. 13 Issue 23, p3781. 17p.

A scaling-and-squaring method for computing the inverses of matrix φ-functions.

Authors: Aceto, Lidia Gemignani, Luca

Source: Numerical Algorithms. Dec2025, Vol. 100 Issue 4, p1581-1598. 18p.

A Symmetric Super Transformed Nested Array for Localization of Mixed Near Field and Far Field Sources With Reduced Mutual Coupling.

Authors: Guo, Yiming Ding, Dongyan Mei, Fengtong et al.

Source: International Journal of Antennas & Propagation; 11/30/2025, Vol. 2025, p1-13, 13p

The Parameterized Augmentation Block Preconditioner for Nonsymmetric Saddle Point Problems.

Authors: Wu, Bo¹ (AUTHOR) wubo@nxu.edu.cn

Source: Communications on Applied Mathematics & Computation. Oct2025, Vol. 7 Issue 5, p1704-1723. 20p.

A Novel Runoff Network Synchronous Prediction Model Based on Distribution Similarity Analyzing and Sparse Matrix Mapping.

Authors: Liu, Ling Wang, Jujie Li, Jianping et al.

Source: Water Resources Management. Jun2026, Vol. 40 Issue 8, p1-19. 19p.

Subject Terms: *Runoff analysis, *Sparse matrices, *Statistical correlation, *Forecasting, *Water management, *Spatiotemporal processes, *Flood warning systems

Sparse matrix–vector product on RISC-V processors with SIMD units.

Authors: Tomás, Andrés E. Martínez, Héctor Catalán, Sandra et al.

Source: Computing. May2026, Vol. 108 Issue 5, p1-26. 26p.

Scalable approximate optimal diagonal preconditioning.

Authors: Gao, Wenzhi Qu, Zhaonan Udell, Madeleine et al.

Source: Computational Optimization & Applications. Jun2026, Vol. 94 Issue 2, p439-473. 35p.

SolverSet: A Large-scale Benchmark Dataset for the Auto-selection of the Optimal Combination of Iterative Solvers and Preconditioners.

Authors: Xiong, Hantao Yang, Wangdong Lin, Shengle et al.

Source: Journal of Circuits, Systems & Computers. 5/30/2026, Vol. 35 Issue 9, p1-26. 26p.

Subjects: Iterative methods (Mathematics), Sparse matrices, Deep learning, Machine learning, Model validation

Synthesis of MIMO Radar Sparse Arrays Using a Hybrid Improved Fireworks-Simulated Annealing Algorithm.

Authors: Deng, Lifei Zhao, Jinran Liu, Yunqing

Source: Applied Sciences (2076-3417); Sep2025, Vol. 15 Issue 18, p9962, 27p

Algorithm for Detecting Dim and Small Targets in Infrared Images Using Method of Generalized Low-rank Sparse Decomposition.

Authors: Liang Luo Zhi-qin Zhao

Source: IAENG International Journal of Computer Science; Sep2025, Vol. 52 Issue 9, p2958-2967, 10p

A randomized feasible algorithm for optimization with orthogonal constraints.

Authors: Fei, Fan Feng, Yuchen Fan, Jinyan

Source: Computational Optimization & Applications; Sep2025, Vol. 92 Issue 1, p1-27, 27p