Multi Stage Multi Commodity Network Flows

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Multi Stage Multi Commodity Network Flows

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Author : William Torrillo Torres
language : en
Publisher:
Release Date : 1971

Multi Stage Multi Commodity Network Flows written by William Torrillo Torres and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.

Minimum Cost Multi Commodity Network Flows

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Author :
language : en
Publisher:
Release Date : 1969

Minimum Cost Multi Commodity Network Flows written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.

Multicommodity Flows In Simple Multistage Networks

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Author : Ehab S. Elmallah
language : en
Publisher: Department of Computing Science, University of Alberta
Release Date : 1994

Multicommodity Flows In Simple Multistage Networks written by Ehab S. Elmallah and has been published by Department of Computing Science, University of Alberta this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computer networks categories.

Multi Commodity Network Flows

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Author : T. C. Hu
language : en
Publisher:
Release Date : 1963

Multi Commodity Network Flows written by T. C. Hu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.

Multi Commodity Network Flows With Multiple Sources And Sinks

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Author : B. Rothschild
language : en
Publisher:
Release Date : 1967

Multi Commodity Network Flows With Multiple Sources And Sinks written by B. Rothschild and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Algorithms categories.

Decomposition Algorithms For The Multi Commodity Distribution Problem

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Author : Cary Robert Swoveland
language : en
Publisher:
Release Date : 1971

Decomposition Algorithms For The Multi Commodity Distribution Problem written by Cary Robert Swoveland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Production scheduling categories.

Single Commodity And Multi Commodity Network Improvement Procedures

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Author : Michael Alan Mullens
language : en
Publisher:
Release Date : 1979

Single Commodity And Multi Commodity Network Improvement Procedures written by Michael Alan Mullens and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.

Fixed Path Variable Capacity Multi Commodity Networks

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Author :
language : en
Publisher:
Release Date : 1973

Fixed Path Variable Capacity Multi Commodity Networks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.

Multicommodity And Generalized Flow Algorithms

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Author : Jeffrey David Oldham
language : en
Publisher:
Release Date : 1999

Multicommodity And Generalized Flow Algorithms written by Jeffrey David Oldham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Algorithms categories.

Abstract: "We present several simple, practical, and fast algorithms for linear programs, concentrating on network flow problems. Since the late 1980s, researchers developed different combinatorial approximation algorithms for fractional packing problems, obtaining the fastest theoretical running times to solve multicommodity minimum-cost and concurrent flow problems. A direct implementation of these multicommodity flow algorithms was several orders of magnitude slower than solving these problems using a commercial linear programming solver. Through experimentation, we determined which theoretically equivalent constructs are experimentally efficient. Guided by theory, we designed and implemented practical improvements while maintaining the same worst-case complexity bounds. The resulting algorithms solve problems orders of magnitude faster than commercial linear programming solvers and problems an order of magnitude larger. We also present simple, combinatorial algorithms for generalized flow problems. These problems generalize ordinary network flow problems by specifying a flow multiplier [mu](a) for each arc a. Using multipliers permit a flow problem to model transforming one type into another, e.g., currency exchange, and modification of the amount of flow, e.g., water evaporation from canals or accrual of interest in bank accounts. First, we show the generalized shortest paths problem can be solved using existing network flow ideas, i.e., by combining the Bellman-Ford-Moore shortest path framework and Megiddo's parametric search. Second, we combine this algorithm with fractional packing frameworks to yield the first polynomial-time combinatorial approximation algorithms for the generalized versions of the nonnegative-cost minimum-cost flow, concurrent flow, multicommodity maximum flow, and multicommodity nonnegative-cost minimum-cost flow problems. These algorithms show that generalized concurrent flow and multicommodity maximum flow have strongly polynomial approximation algorithms."

A Generalized Upper Bounding Algorithm For Multi Commodity Network Flow Problems

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Author : James K. Hartman
language : en
Publisher:
Release Date : 1970

A Generalized Upper Bounding Algorithm For Multi Commodity Network Flow Problems written by James K. Hartman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.

An algorithm for solving min cost or max flow multicommodity flow problems is described. It is a specialization of the simplex method, which takes advantage of the special structure of the multicommodity problem. The only non-graph or non-additive operations in a cycle involve the inverse of a working basis, whose dimension is the number of currently saturated arcs. Efficient relations for updating this inverse are derived. (Author).