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Minimum Cost Flow

Context Comparison as a Minimum Cost Flow Problem

Context Comparison as a Minimum Cost Flow Problem

... Network Flow Method 2.1 Minimum Cost Flow As a standard example of an MCF problem, consider the graphical representation of a route map for deliv- ering fresh produce from grocers (supply ...

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A Novel Experimental Analysis of the Minimum Cost Flow Problem

A Novel Experimental Analysis of the Minimum Cost Flow Problem

... [email protected] *Corresponding Author (Received: May 10, 2008 – Accepted in Revised Form: February 19, 2009) Abstract In the GA approach the parameters that influence its performance include population size, ...

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Ameliorative Minimum Cost Flow Algorithm for Phase Unwrapping

Ameliorative Minimum Cost Flow Algorithm for Phase Unwrapping

... principle, Minimum Cost Flow (MCF) is expatiated in this paper, at the same time, its Ameliorative algorithm for Phase Unwrapping is put forward aiming at disadvantages which speed is relative small ...

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Some Remarks on Application of Sandwich Methods in  the Minimum Cost Flow Problem

Some Remarks on Application of Sandwich Methods in the Minimum Cost Flow Problem

... Network Cost Flow Problem; Sandwich Algorithms; Efficient Frontier; Stochastic Costs ...network cost flow problems which describe a lot of real-life problems have been studied recently in many ...

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Dual Based Procedures for Un Capacitated Minimum Cost Flow Problem

Dual Based Procedures for Un Capacitated Minimum Cost Flow Problem

... Priyank Sinha, Renduchintala Raghavendra Kumar Sharma Industrial and Management Engineering Department, IIT Kanpur, Kanpur, India Abstract In this article, we devise two dual based methods for obtaining very good ...

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Neural Decipherment via Minimum Cost Flow: From Ugaritic to Linear B

Neural Decipherment via Minimum Cost Flow: From Ugaritic to Linear B

... In this paper we propose a novel neural ap- proach for automatic decipherment of lost lan- guages. To compensate for the lack of strong supervision signal, our model design is in- formed by patterns in language change ...

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A bi-objective column generation algorithm for the multi-commodity minimum cost flow problem

A bi-objective column generation algorithm for the multi-commodity minimum cost flow problem

... multi-commodity minimum cost flow problem (MCMCF ) is a net- work optimisation problem where several commodities need to be sent from their source nodes to their sink ...The flow con- ...

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NSGA-II for solving multiobjective integer minimum cost flow problem with probabilistic tree-based representation

NSGA-II for solving multiobjective integer minimum cost flow problem with probabilistic tree-based representation

... Network flow optimisation has many real-world applications. The minimum cost flow problem (MCFP) is the most common network flow problem, which can also be formulated as a ...

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Capacity Inverse Minimum Cost Flow Problem

Capacity Inverse Minimum Cost Flow Problem

... The computational results show that the proposed heuristic performs especially well on graphs with simple structure when the cycle lengths are short. But we conjecture that the heuristic does not achieve a bounded ...

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A strongly polynomial algorithm for a class of minimum-cost flow problems with separable convex objectives

A strongly polynomial algorithm for a class of minimum-cost flow problems with separable convex objectives

... The remaining class of polynomial objectives with hope for strongly polynomial algorithms is where every cost function is convex quadratic. If all coefficients are rational, then the existence of a rational optimal ...

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The Minimum Universal Cost Flow in an Infeasible Flow Network

The Minimum Universal Cost Flow in an Infeasible Flow Network

... the flow network G = (N,A) and the minimum cost flow problem defined by (1-1) are ...changing cost is minimized. The computed LIF is merely a feasible flow in the resulted ...

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Minimum Cost Flows in Graphs with Unit Capacities

Minimum Cost Flows in Graphs with Unit Capacities

... classical cost scaling algorithms of Goldberg and Tarjan (for general integer capacities) applied to a problem with unit capacities achieve or improve the best known ...for minimum cost flow ...

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Minimum cost maximum flow, Minimum cost circulation, Cost/Capacity scaling

Minimum cost maximum flow, Minimum cost circulation, Cost/Capacity scaling

... The minimum cost circulation in the new graph will use to the maximum the very inexpensive newly added ...negative cost cycle together with (t, s), since −c(t, s) is greater than the cost of ...

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A Fuzzy Random Minimum Cost Network Flow Programming Problem

A Fuzzy Random Minimum Cost Network Flow Programming Problem

... total flow cost has been increased but the amount of flow on edges of our model is more ...of flow on edges and the total flow cost are triangular fuzzy variables which is vital ...

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The relax codes for linear minimum cost network flow problems

The relax codes for linear minimum cost network flow problems

... Speedup factor of RELAX-II and RELAXT-II over RNET in lightly capaci- rated transhipment problems generated by our own random problem generator RANET.. Each node is a tr[r] ...

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A Parametric Approach to the Bi criteria Minimum   Cost Dynamic Flow Problem

A Parametric Approach to the Bi criteria Minimum Cost Dynamic Flow Problem

... the cost for selected routes, the minimization of arrival time at the destinations, the minimization of the deterio- ration of goods, the minimization of the load capacity that would not be used in the selected ...

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Minimum cost arborescences

Minimum cost arborescences

... the cost of connecting each pair of ...The cost allocation problem is to assign the total cost of the minimum cost spanning tree to the ...the cost matrix is ...the cost ...

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Minimum cost arborescences

Minimum cost arborescences

... the cost of connecting each pair of ...The cost allocation problem is to assign the total cost of the minimum cost spanning tree to the ...the cost matrix is ...the cost ...

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Minimum-Cost Tolerance Allocation

Minimum-Cost Tolerance Allocation

... The statistical tolerance allocation results were obtained by a similar procedure, using Eq. 1.2. Note that in this example the assembly cost increased when worst case allocation was performed. The original ...

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The Cost of Minimum Pension Guarantee

The Cost of Minimum Pension Guarantee

... model minimum pension guarantee using a simulation ...the minimum pension guarantee is already enshrined by ...the cost of such a promise using a real options ...

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