Single step iterative method for linear system of equations with complex symmetric positive semi-definite coefficient matrices

A Shirilord, M Dehghan - Applied Mathematics and Computation, 2022‏ - Elsevier
In this study, we propose a new single-step iterative method for solving complex linear
systems A z≡(W+ i T) z= f, where z, f∈ R n, W∈ R n× n and T∈ R n× n are symmetric …

A new block preconditioner for weighted Toeplitz regularized least-squares problems

FB Balani, M Hajarian - International Journal of Computer …, 2023‏ - Taylor & Francis
We introduce a new block preconditioner for the solution of weighted Toeplitz regularized
least-squares problems written in augmented system form. The proposed preconditioner is …

Double parameter splitting (DPS) iteration method for solving complex symmetric linear systems

A Shirilord, M Dehghan - Applied Numerical Mathematics, 2022‏ - Elsevier
Complex linear equation systems appear in many branches of mathematical sciences and
have many applications in science and engineering. Therefore, there have been developed …

Robust sliding mode-based learning control for MIMO nonlinear nonminimum phase system in general form

X Hu, C Hu, X Si, Y Zhao - IEEE transactions on cybernetics, 2018‏ - ieeexplore.ieee.org
The tracking control of a multi-input multioutput nonlinear nonminimum phase system in
general form is discussed. This system is assumed to be suffering from parameter …

Tannenbaum's gain-margin optimization meets Polyak's heavy-ball algorithm

W Wu, J Chen, MR Jovanović, TT Georgiou - arxiv preprint arxiv …, 2024‏ - arxiv.org
The paper highlights a relatively unknown link between algorithm design in optimization and
control synthesis in robust control. Specifically, quadratic optimization can be recast as a …

A direct method to Frobenius norm-based matrix regression

SF Yuan, YB Yu, MZ Li, H Jiang - International Journal of Computer …, 2020‏ - Taylor & Francis
Regression analysis has been widely used for face recognition. This paper mainly discuss
the following regularized matrix regression problem: Given a set of k image matrices A 1, A …

Robust adaptive control for uncertain input delay MIMO nonlinear non-minimum phase system: A fuzzy approach

Z Liu, X Hu, X Wang, Y Guo - IEEE Access, 2020‏ - ieeexplore.ieee.org
In this paper, the robust controller design problem of uncertain multi-input multi-output
nonlinear non-minimum phase system is discussed. The nonlinear system is suffering from …

[PDF][PDF] Solving Sylvester equation with complex symmetric semi-definite positive coefficient matrices

A Shirilord, G Karamali, M Dehghan - Filomat, 2022‏ - doiserbia.nb.rs
Combination of real and imaginary parts (CRI) works well for solving complex symmetric
linear systems. This paper develops a generalization of CRI method to determine the …

Design of even-order variable fractional delay FIR filters based on pivot element weighting iterative algorithm

H Wang, S Liu, X Yang, J Yang, W Zhao… - IEICE Electronics …, 2024‏ - jstage.jst.go.jp
This paper proposes a design for even-order variable fractional delay (VFD) finite impulse
response (FIR) filters based on pivot element weighting iterative (PEWI) algorithm. Initially, a …

Generalized Preconditioning to Accelerate Simulations with Large Multiphase Chemical Kinetics Models

AS Walker - 2024‏ - ir.library.oregonstate.edu
Combustion emissions produced from burning real transportation fuels have many
environmental impacts. However, detailed chemistry across multiple phases, time scales …