Results 21 to 30 of about 13,831 (172)
A meshless approach to the analysis of two-dimensional elasticity problems by the Element-Free Galerkin (EFG) method is presented. This method is based on moving least squares approximant (MLS).
Nguyen Hoai Son
doaj +1 more source
Solution to nonconvex optimization problems using exact penalty functions [PDF]
Для невыпуклых задач оптимизации известные методы, использующие точные штрафные функции, не всегда гарантируют сходимость к допустимому решению. В работе предлагается подход, позволяющий при определенных условиях преодолевать такие проблемы.
Лаптин, Ю.П.
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The present paper is dedicated to presentation and energy verification of the methods of stabilization the strain energy by penalty coefficients. Verification of the methods is based on the consistency and ellipticity conditions to be satisfied by the ...
Gilewski W.
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New Exact Penalty Functions for Nonlinear Constrained Optimization Problems [PDF]
For two kinds of nonlinear constrained optimization problems, we propose two simple penalty functions, respectively, by augmenting the dimension of the primal problem with a variable that controls the weight of the penalty terms.
Wenling Zhao, Bingzhuang Liu
core
A Derivative-Free Algorithm for Constrained Global Optimization Based on Exact Penalty Functions [PDF]
Constrained global optimization problems can be tackled by using exact penalty approaches. In a preceding paper, we proposed an exact penalty algorithm for constrained problems which combines an unconstrained global minimization tech- nique for ...
Gianni Pillo +6 more
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A new model for the multi-mode resource-constrained project scheduling problem with discount cash flows [PDF]
This paper presents a mathematical model for the multi-mode resource-constrained project scheduling problem with maximizing the net present value of project. The proposed model is inspired by MRCPSP-GPR.
Amine Keramaty +2 more
doaj
In this paper, we propose an efficient computational boundary control strategy for reducing water pressure shock effects generated by the suddenly operation of the valve closure located at the end of a fluid flow pipeline.
Zhigang Ren, Tehuan Chen, Zhijia Zhao
doaj +1 more source
New Conditions for Exactness of a Simple Penalty Function [PDF]
We consider penalty function methods for finding the maximum of a function f over the set \[ S = \{ x \in R^n :g_i (x) \leqq 0{\text{ for }}i = 1, \cdots ,m{\text{ and }}h_j (x) = 0{\text{ for }}j = 1, \cdots ,p\} . \] New conditions, extending earlier work done by Pietrzykowski, are presented under which the penalty function \[ P(x,\mu ) = \mu f(x) - \
openaire +2 more sources
First- and second-order necessary conditions via exact penalty functions [PDF]
In this paper, we study first- and second-order necessary conditions for nonlinear programming problems from the viewpoint of exact penalty functions.
Yang, XQ, Meng, KW
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Parsimonious Kernel Fisher Discrimination [PDF]
By applying recent results in optimization transfer, a new algorithm for kernel Fisher Discriminant Analysis is provided that makes use of a non-smooth penalty on the coefficients to provide a parsimonious solution.
Harrison, Robert F. +5 more
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