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Showing 1-20 of 326 results
  1. Mixed precision Rayleigh quotient iteration for total least squares problems

    With the recent emergence of mixed precision hardware, there has been a renewed interest in its use for solving numerical linear algebra problems...

    Eda Oktay, Erin Carson in Numerical Algorithms
    Article 05 October 2023
  2. Generalising combinatorial discriminant analysis through conditioning truncated Rayleigh flow

    Fisher’s Linear Discriminant Analysis (LDA) has been widely used for linear classification, feature selection, and metrics learning in multivariate...

    Sijia Yang, Haoyi **ong, ... Zeyi Sun in Knowledge and Information Systems
    Article 09 July 2021
  3. Local Spectral for Polarized Communities Search in Attributed Signed Network

    Signed networks are graphs with edge annotations to indicate whether each interaction is friendly (positive edge) or antagonistic (negative edge)....
    Fanyi Yang, Huifang Ma, ... Liang Chang in Database Systems for Advanced Applications
    Conference paper 2023
  4. A Resolvent Quasi-Monte Carlo Method for Estimating the Minimum Eigenvalues Using the Error Balancing

    There are iterative Monte Carlo (MC) methods that can be used for estimating the extreme eigenvalues of large dimensional matrices. The Power MC...
    Silvi-Maria Gurova, Emanouil Atanassov, Aneta Karaivanova in Large-Scale Scientific Computations
    Conference paper 2024
  5. RPH-PGD: Randomly Projected Hessian for Perturbed Gradient Descent

    The perturbed gradient descent (PGD) method, which adds random noises in the search directions, has been widely used in solving large-scale...
    Chi-Chang Li, Jay Huang, ... Che-Rung Lee in Advances in Knowledge Discovery and Data Mining
    Conference paper 2024
  6. A simple extrapolation method for clustered eigenvalues

    This paper introduces a simple variant of the power method. It is shown analytically and numerically to accelerate convergence to the dominant...

    Nilima Nigam, Sara Pollock in Numerical Algorithms
    Article 16 April 2021
  7. A mixed precision LOBPCG algorithm

    The locally optimal block preconditioned conjugate gradient (LOBPCG) algorithm is a popular approach for computing a few smallest eigenvalues and the...

    Daniel Kressner, Yuxin Ma, Meiyue Shao in Numerical Algorithms
    Article 11 May 2023
  8. Design and Implementation of the Optimized Computing Architecture for Matrix Decomposition Algorithms

    This paper will take the recursive CORDIC computing unit developed in our laboratory as the main computing core. The computing data is arranged in...
    Jih-Ching Chiu, Yu-Quen Chen, ... Yung-Chi Liu in New Trends in Computer Technologies and Applications
    Conference paper 2022
  9. Implicit algorithms for eigenvector nonlinearities

    We study and derive algorithms for nonlinear eigenvalue problems, where the system matrix depends on the eigenvector, or several eigenvectors (or...

    Elias Jarlebring, Parikshit Upadhyaya in Numerical Algorithms
    Article Open access 02 September 2021
  10. First Principal Eigenvector

    In this chapter, I present a unified framework to derive and discuss ten adaptive algorithms (some well-known) for principal eigenvector computation,...
    Chapter 2022
  11. A τ-preconditioner for a non-symmetric linear system arising from multi-dimensional Riemann-Liouville fractional diffusion equation

    In this paper, we study a τ -preconditioner for non-symmetric linear system arising from a steady-state multi-dimensional Riemann-Liouville (RL)...

    Xue-lei Lin, **n Huang, ... Hai-Wei Sun in Numerical Algorithms
    Article 01 July 2022
  12. The Optimal Layer of User-Specific Reconfigurable Intelligent Surfaces Structure for Uplink Communication System

    Reconfigurable intelligent surfaces (RIS) can be utilized for enhancing the communication quality, and are regarded as a promising six-generation...
    Zihao Wen, Zhicheng Dong, ... **g Zhao in Game Theory for Networks
    Conference paper 2022
  13. A Krylov-Schur-like method for computing the best rank-(r1,r2,r3) approximation of large and sparse tensors

    The paper is concerned with methods for computing the best low multilinear rank approximation of large and sparse tensors. Krylov-type methods have...

    Lars Eldén, Maryam Dehghan in Numerical Algorithms
    Article Open access 27 April 2022
  14. Principal Component Analysis over the Boolean Circuit Within TFHE Scheme

    In today’s information-driven world, the need to protect personal data while maintaining efficient data processing capabilities is crucial....
    Hyun Jung Doh, Joon Soo Yoo, ... Ji Won Yoon in Information Security Applications
    Conference paper 2024
  15. A novel approach to perform linear discriminant analyses for a 4-way alzheimer’s disease diagnosis based on an integration of pearson’s correlation coefficients and empirical cumulative distribution function

    Diagnosing Alzheimer’s disease (AD) remains a significant challenge, particularly in effectively identifying individuals in the early (EMCI) and late...

    Besma Mabrouk, Ahmed Ben Hamida, ... Chokri Mhiri in Multimedia Tools and Applications
    Article 20 February 2024
  16. A rotated shift-splitting method for complex symmetric linear systems

    This article proposes a generalized rotated shift-splitting (GRSS) iterative method for solving complex symmetric linear systems. Our analysis...

    Snigdhashree Nayak, Debasisha Mishra, Nachiketa Mishra in Numerical Algorithms
    Article 18 March 2024
  17. A Comparative Study of Graph Matching Algorithms in Computer Vision

    The graph matching optimization problem is an essential component for many tasks in computer vision, such as bringing two deformable objects in...
    Stefan Haller, Lorenz Feineis, ... Bogdan Savchynskyy in Computer Vision – ECCV 2022
    Conference paper 2022
  18. Parallel implementations of randomized vector algorithm for solving large systems of linear equations

    The results of a parallel implementation of a randomized vector algorithm for solving systems of linear equations are presented in the paper. The...

    Karl K. Sabelfeld, Sergey Kireev, Anastasiya Kireeva in The Journal of Supercomputing
    Article 10 February 2023
  19. Global convergence of Negative Correlation Extreme Learning Machine

    Ensemble approaches introduced in the Extreme Learning Machine literature mainly come from methods that rely on data sampling procedures, under the...

    Carlos Perales-González in Neural Processing Letters
    Article 29 March 2021
  20. Enhancing PAPR performance in MIMO-OFDM system using hybrid optimal MMSE-MLSE equalizers

    Wireless communication technologies are playing a very important role in the modern world. The use of multiple antennas with orthogonal frequency...

    G. Krishna Reddy, G. Merlin Sheeba in Multimedia Tools and Applications
    Article 09 September 2023
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