Results 21 to 30 of about 11,611,558 (295)

A Modified Spectral Gradient Projection Method for Solving Non-Linear Monotone Equations With Convex Constraints and Its Application

open access: yesIEEE Access, 2020
In this paper, we propose a derivative free algorithm for solving non-linear monotone equations with convex constraints. The proposed algorithm combines the method of spectral gradient and the projection method.
Li Zheng, Lei Yang, Yong Liang
doaj   +1 more source

A modified Liu-Storey scheme for nonlinear systems with an application to image recovery [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2023
Like the Polak-Ribi`ere-Polyak (PRP) and Hestenes-Stiefel (HS) meth-ods, the classical Liu-Storey (LS) conjugate gradient scheme is widely be-lieved to perform well numerically.
A.I. Kiri, M.Y. Waziri, K. Ahmed
doaj   +1 more source

Efficient generic calibration method for general cameras with single centre of projection [PDF]

open access: yes, 2007
Generic camera calibration is a non-parametric calibration technique that is applicable to any type of vision sensor. However, the standard generic calibration method was developed with the goal of generality and it is therefore sub-optimal for the ...
John Mallon   +5 more
core   +2 more sources

Relaxation Projections and the Method of Moments [PDF]

open access: yes, 2000
Theory in spatial ecology has to steer a narrow and challenging course between the Scylla of oversimplification and the Charybdis of intractability. Until about 15 years ago, most of theoretical ecology was based on the mean-field paradigm, thus targeting well-mixed ecological systems.
Dieckmann, U., Law, R.
openaire   +4 more sources

Solution of Large Stochastic Finite Element Problems – Application to ECT-NDT [PDF]

open access: yes, 2013
Version éditeur disponible à cette adresse : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6514633This paper describes an efficient bloc iterative solver for the Spectral Stochastic Finite Element Method (SSFEM). The SSFEM was widely used to
MOREAU, Olivier   +3 more
core   +1 more source

Comment on the level-set method used in ‘Numerical study on mobilization of oil slugs in capillary model with level set approach’

open access: yesEngineering Applications of Computational Fluid Mechanics, 2016
This is a comment on a 2014 paper by Dai and Wang. It is argued that the validation in Dai and Wang's paper is an artifact caused by the boundary conditions of the level-set function, meaning that the effects reported in their paper have little physical ...
Åsmund Ervik
doaj   +1 more source

Variational iteration method and projection method solution of the spatially distributed population balance equation

open access: yesArab Journal of Basic and Applied Sciences, 2018
In this work, two major hydrodynamic parameters, the holdup of the dispersed phase and the Sauter diameter, are considered. This is done for describing the hydrodynamics of interacting liquid–liquid dispersions using different particle breakage ...
Abdelmalek Hasseine   +2 more
doaj   +1 more source

Numerical Method for Electromagnetic Wave Propagation Problem in a Cylindrical Inhomogeneous Metal Dielectric Waveguiding Structures

open access: yesMathematical Modelling and Analysis, 2017
The propagation of monochromatic electromagnetic waves in metal circular cylindrical dielectric waveguides filled with inhomogeneous medium is considered.
Eugene Smolkin
doaj   +1 more source

A Derivative-Free MZPRP Projection Method for Convex Constrained Nonlinear Equations and Its Application in Compressive Sensing

open access: yesMathematics, 2022
Nonlinear systems of equations are widely used in science and engineering and, therefore, exploring efficient ways to solve them is paramount. In this paper, a new derivative-free approach for solving a nonlinear system of equations with convex ...
Ibrahim Mohammed Sulaiman   +4 more
doaj   +1 more source

System of Extended General Variational Inequalities for Relaxed Cocoercive Mappings in Hilbert Space

open access: yesMathematics, 2018
In this manuscript, we study a system of extended general variational inequalities (SEGVI) with several nonlinear operators, more precisely, six relaxed ( α , r ) -cocoercive mappings.
Kyung Soo Kim
doaj   +1 more source

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