Results 21 to 30 of about 1,530,542 (289)
Production, 2007 Este trabalho apresenta métodos de geração de colunas para dois importantes problemas de atribuição: o Problema Generalizado de Atribuição (PGA) e o Problema de Atribuição de Antenas a Comutadores (PAAC).
Edson Luiz França Senne +2 more
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An enhanced concave program relaxation for choice network revenue management [PDF]
, 2013 The network choice revenue management problem models customers as choosing from an offer set, and the firm decides the best subset to offer at any given moment to maximize expected revenue.
Meissner, Joern +2 more
core +1 more source
Discrete Mathematics, 1999 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
du Merle, Olivier +3 more
openaire +2 more sources
Distributed asynchronous column generation
Computers & Operations Research, 2022 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Saverio Basso, Alberto Ceselli
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Computing semiparametric bounds on the expected payments of insurance instruments via column generation [PDF]
, 2016 It has been recently shown that numerical semiparametric bounds on the expected payoff of fi- nancial or actuarial instruments can be computed using semidefinite programming. However, this approach has practical limitations. Here we use column generation,
Howley, Robert +3 more
core +3 more sources
One-parametric analysis of column-oriented linear programs
Operations Research Perspectives, 2023 A linear optimization problem which is amenable to column generation and contains a single parameter in the objective function is considered. We extend and adapt the standard linear programming column generation scheme to effectively and efficiently ...
Torbjörn Larsson, Nils-Hassan Quttineh
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Aperture Shape Generation Based on Gradient Descent With Momentum
IEEE Access, 2019 Direct aperture optimization (DAO) is an effective method to generate high-quality intensity-modulated radiation therapy treatment plans. In generic DAO, the direction of negative gradient descent is generally used to determine the aperture shape ...
Liyuan Zhang +4 more
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The Angular Set Covering Problem
IEEE AccessWe present an innovative extension of the Set Covering Problem, transitioning from a traditional radial covering to an angular covering structure. The decisions are based on locating the facilities and identifying the directional servers installed in ...
Fredy Barriga-Gallegos +2 more
doaj +1 more source
Gestão & Produção, 1996 Quando se pretende obter uma solução inteira para o problema de corte unidimensional, depois de se ter resolvido a sua relaxação linear, é frequente recorrer, quer a técnicas de arredondamento de soluções, quer a diversos tipos de heurísticas.
J.M. Valério de Carvalho
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Pedestrian evacuation planning: Unveiling evacuation routes via column generation
EURO Journal on Transportation and Logistics, 2022 Evacuation drills are critical to evaluate emergency preparedness and infrastructure capacity. Before conducting drills, it is necessary to design the evacuation routes that people are likely to follow in a real evacuation.
Nicolás Cabrera +2 more
doaj +1 more source