Results 11 to 20 of about 15,920 (255)

Least Squares Method for Solving Fuzzy LR Interval Algebraic Linear Systems

open access: yesFuzzy Information and Engineering, 2022
We first investigate the solvability conditions of fuzzy LR interval algebraic linear systems with fuzzy LR interval coefficient matrix and fuzzy LR interval hand-right vector.
Mehrnoosh Salari   +2 more
doaj   +1 more source

Linear Programming Relaxations of Quadratically Constrained Quadratic Programs [PDF]

open access: yes, 2011
We investigate the use of linear programming tools for solving semidefinite programming relaxations of quadratically constrained quadratic problems. Classes of valid linear inequalities are presented, including sparse PSD cuts, and principal minors PSD cuts. Computational results based on instances from the literature are presented.
Qualizza, Andrea   +2 more
openaire   +3 more sources

An SQP Algorithm for Structural Topology Optimization Based on Majorization–Minimization Method

open access: yesApplied Sciences, 2022
When applying the sequential quadratic programming (SQP) algorithm to topology optimization, using the quasi-Newton methods or calculating the Hessian matrix directly will result in a considerable amount of calculation, making it computationally ...
Weilong Liao, Qiliang Zhang, Huanli Meng
doaj   +1 more source

Representing quadratically constrained quadratic programs as generalized copositive programs [PDF]

open access: yesOperations Research Letters, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Samuel Burer, Hongbo Dong 0001
openaire   +2 more sources

On Solutions of Possibilistic Multi- objective Quadratic Programming Problems [PDF]

open access: yesInternational Journal of Supply and Operations Management, 2017
In this paper, a multi- objective quadratic programming (Poss- MOQP) problem with possibilistic variables coefficients matrix in the objective functions is studied.
Hamiden Khalifa
doaj   +1 more source

An Optimal Generation Scheduling Approach Based on Linear Relaxation and Mixed Integer Programming

open access: yesIEEE Access, 2020
This paper proposes an optimal generation scheduling approach based on linear relaxation and mixed integer programming, which is used to solve the generation dispatch problem.
Yunkai Lei   +5 more
doaj   +1 more source

A Lifting-Penalty Method for Quadratic Programming with a Quadratic Matrix Inequality Constraint

open access: yesMathematics, 2020
In this paper, a lifting-penalty method for solving the quadratic programming with a quadratic matrix inequality constraint is proposed. Additional variables are introduced to represent the quadratic terms.
Wei Liu, Li Yang, Bo Yu
doaj   +1 more source

Solution of Quadratic Programming with Interval Variables Using a Two-Level Programming Approach

open access: yesJournal of Applied Mathematics, 2018
Quadratic programming with interval variables is developed from quadratic programming with interval coefficients to obtain optimum solution in interval form, both the optimum point and optimum value.
Syaripuddin, Herry Suprajitno, Fatmawati
doaj   +1 more source

Optimality Conditions for Fuzzy Number Quadratic Programming with Fuzzy Coefficients

open access: yesJournal of Applied Mathematics, 2014
The purpose of the present paper is to investigate optimality conditions and duality theory in fuzzy number quadratic programming (FNQP) in which the objective function is fuzzy quadratic function with fuzzy number coefficients and the constraint set is ...
Xue-Gang Zhou   +2 more
doaj   +1 more source

Extension of Wolfe Method for Solving Quadratic Programming with Interval Coefficients

open access: yesJournal of Applied Mathematics, 2017
Quadratic programming with interval coefficients developed to overcome cases in classic quadratic programming where the coefficient value is unknown and must be estimated. This paper discusses the extension of Wolfe method.
Syaripuddin, Herry Suprajitno, Fatmawati
doaj   +1 more source

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