نتایج جستجو برای: we formulate a mixed integer non

تعداد نتایج: 13995359  

2010
Sumit Kunnumkal Huseyin Topaloglu

In this paper, we propose a randomized linear program to obtain bid prices for the network revenue management problem with customer choice behavior. Our development proceeds in two stages. We first formulate a mixed integer program that can be viewed as a deterministic approximation to the network revenue management problem. We then use the optimal solution to the mixed integer program to formu...

‎In this paper‎, ‎some KKT type sufficient global optimality conditions‎ ‎for general mixed integer nonlinear programming problems with‎ ‎equality and inequality constraints (MINPP) are established‎. ‎We achieve‎ ‎this by employing a Lagrange function for MINPP‎. ‎In addition‎, ‎verifiable sufficient global optimality conditions for general mixed‎ ‎integer quadratic programming problems are der...

In this paper, we propose a new model for designing integrated forward/reverse logistics based on pricing policy in direct and indirect sales channel. The proposed model includes producers, disposal center, distributers and final customers. We assumed that the location of final customers is fixed. First, a deterministic mixed integer linear programming model is developed for integrated logistic...

Journal: :international journal of industrial engineering and productional research- 0
mohammad rohaninejad shahed university amirhossein amiri shahed university mahdi bashiri shahed university

this paper addresses a reliable facility location problem with considering facility capacity constraints. in reliable facility location problem some facilities may become unavailable from time to time. if a facility fails, its clients should refer to other facilities by paying the cost of retransfer to these facilities. hence, the fail of facilities leads to disruptions in facility location dec...

This study considers a reliable location – inventory problem for a supply chain system comprising one supplier, multiple distribution centers (DCs), and multiple retailers in which we determine DCs location, inventory replenishment decisions and assignment retailers to DCs, simultaneously. Each DC is managed through a continuous review (S, Q) inventory policy. For tackling real world conditions...

Brian Jones, Godfrey Chagwiza, Senelani Hove- Musekwa, Sobona Mtisi,

We introduce a new way of generating cutting planes of a mixed integer programme by way of taking binary variables. Four binary variables are introduced to form quartic inequalities, which results in a reduced first-level mixed integer programme. A new way of weakening the inequalities is presented. An algorithm to carryout the separation of the inequalities, which are exponential in number, is...

2015
Iain Guilliard Scott Sanner Felipe W. Trevizan Brian C. Williams

1 As urban traffic congestion is on the increase worldwide, it is critical to maximize capacity and 2 throughput of existing road infrastructure through optimized traffic signal control. To this end, we 3 build on the body of work in mixed integer linear programming (MILP) approaches that attempt to 4 jointly optimize traffic signal control over an entire traffic network and specifically on imp...

In this paper, we study the problem of integrated capacitated hub location problem and seat inventory control considering concept and techniques of revenue management. We consider an airline company maximizes its revenue by utilizing the best network topology and providing proper booking limits for all itineraries and fare classes. The transportation system arises in the form of a star/star net...

Journal: :J. Math. Model. Algorithms 2006
Milind Dawande Srinagesh Gavirneni Sanjeewa Naranpanawe Suresh P. Sethi

In this paper, we use integer programming (IP) to compute minimal forecast horizons for the classical dynamic lot-sizing problem (DLS). As a solution approach for computing forecast horizons, integer programming has been largely ignored by the research community. It is our belief that the modelling and structural advantages of the IP approach coupled with the recent significant developments in ...

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