نتایج جستجو برای: linear mixed integer programming problem
تعداد نتایج: 1702298 فیلتر نتایج به سال:
Several algorithms have been developed to solve the two-level linear programming problem during the past years. In this paper, we will formulate the mixed integer two-level linear programming problem and develop both the exact and heuristic solution procedures based on the branch-and-Lund technique for solving the problem. Computational experience and comparisons will be presented.
presented here is a generalization of the implicit enumeration algorithm that can be applied when the objec-tive function is being maximized and can be rewritten as the difference of two non-decreasing functions. also developed is a computational algorithm, named linear speedup, to use whatever explicit linear constraints are present to speedup the search for a solution. the method is easy to u...
A rescheduling algorithm for trains on a single-track railway was developed in case of disturbances that would cause conflicts between trains. This is based mixed integer linear programming (MILP) with speed-up routines. The model considers station capacities explicitly (i.e., the number available tracks meeting and overtaking operations). Because too hard solvers (CPLEX this study) to tackle, ...
In this paper we address the problem of picking a subset of bids in a general combinatorial auction so as to maximize the overall profit using the first-price model. This winner determination problem assumes that a single bidding round is held to determine both the winners and prices to be paid. We introduce six variants of biased random-key genetic algorithms for this problem. Three of them us...
This paper presents a framework for long term transmission expansion planning in power pool competitive electricity markets. In the proposed approach, maximization of network users’ benefits with satisfying of security constraints is considered for determination of transmission expansion strategy. The proposed model is a complicated non-linear mixed-integer optimization problem. A hybrid ...
in this thesis, using concepts of wavelets theory some methods of the solving optimal control problems (ocps). governed by time-delay systems is investigated. this thesis contains two parts. first, the method of obtaining of the ocps in time delay systems by linear legendre multiwavelets is presented. the main advantage of the meth...
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