Results 1 to 10 of about 325 (49)

Convergence analysis of M-iteration for 𝒢-nonexpansive mappings with directed graphs applicable in image deblurring and signal recovering problems

open access: yesDemonstratio Mathematica, 2023
In this article, weak and strong convergence theorems of the M-iteration method for 𝒢-nonexpansive mapping in a uniformly convex Banach space with a directed graph were established.
Chairatsiripong Chonjaroen   +2 more
doaj   +1 more source

A Dai-Liao-type projection method for monotone nonlinear equations and signal processing

open access: yesDemonstratio Mathematica, 2022
In this article, inspired by the projection technique of Solodov and Svaiter, we exploit the simple structure, low memory requirement, and good convergence properties of the mixed conjugate gradient method of Stanimirović et al.
Ibrahim Abdulkarim Hassan   +4 more
doaj   +1 more source

New algorithms designed for the split common fixed point problem of quasi-pseudocontractions

open access: yesJournal of Inequalities and Applications, 2014
In this paper, we study the split common fixed point problem, which is to find a fixed point of a quasi-pseudocontractive mapping in one space whose image under a linear transformation is a fixed point of anther quasi-pseudocontractive mapping in the ...
Lijun Zhu   +3 more
semanticscholar   +2 more sources

Algorithmic and analytical approach to the split common fixed points problem

open access: yesFixed Point Theory and Applications, 2014
The split problem, especially the split common fixed point problem, has been studied by many authors. In this paper, we study the split common fixed point problem for the pseudo-contractive mappings and the quasi-nonexpansive mappings.
Lijun Zhu   +3 more
semanticscholar   +2 more sources

Dynamics of Dengue epidemics using optimal control [PDF]

open access: yes, 2010
We present an application of optimal control theory to Dengue epidemics. This epidemiologic disease is an important theme in tropical countries due to the growing number of infected individuals.
Betts   +14 more
core   +2 more sources

Nonconvex notions of regularity and convergence of fundamental algorithms for feasibility problems [PDF]

open access: yes, 2013
We consider projection algorithms for solving (nonconvex) feasibility problems in Euclidean spaces. Of special interest are the Method of Alternating Projections (MAP) and the Douglas-Rachford or Averaged Alternating Reflection Algorithm (AAR).
Hesse, Robert, Luke, D. Russell
core   +1 more source

A globally convergent algorithm for MPCC

open access: yesEURO Journal on Computational Optimization, 2015
We propose a penalty formulation based on the new regularization scheme for mathematical programs with complementarity constraints (MPCCs). We present an active set method which solves a sequence of penalty-regularized problems.
Abdeslam Kadrani   +2 more
doaj   +1 more source

A comparison of four approaches from stochastic programming for large-scale unit-commitment

open access: yesEURO Journal on Computational Optimization, 2017
In energy management, the unit-commitment problem deals with computing the most cost-efficient production schedule that meets customer load, while satisfying the operational constraints of the units.
Wim van Ackooij
doaj   +1 more source

On the construction of quadratic models for derivative-free trust-region algorithms

open access: yesEURO Journal on Computational Optimization, 2017
We consider derivative-free trust-region algorithms based on sampling approaches for convex constrained problems and discuss two conditions on the quadratic models for ensuring their global convergence.
Adriano VerdĆ©rio   +3 more
doaj   +1 more source

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