Serrurier Marseille E-books > Operations Research > Download e-book for kindle: ELECTRE and Decision Support: Methods and Applications in by Martin Gerard Rogers, Michael Bruen, Lucien-Yves Maystre

Download e-book for kindle: ELECTRE and Decision Support: Methods and Applications in by Martin Gerard Rogers, Michael Bruen, Lucien-Yves Maystre

By Martin Gerard Rogers, Michael Bruen, Lucien-Yves Maystre

ISBN-10: 1441951083

ISBN-13: 9781441951083

ISBN-10: 1475750579

ISBN-13: 9781475750577

ELECTRE and selection Support specializes in the parts of engineering and infrastructure funding. It starts with a few common reviews concerning the diversified selection parts in the undertaking making plans strategy - the definition of ambitions, the identity of different classes of motion, the constructing of standards, the assessment of choices and the ultimate suggestion. The authors spotlight the facility of Multicriteria selection relief to reconcile the industrial, technical and environmental dimensions of the initiatives for its planners. They emphasize the complexity of this approach, illustrating the significance of deciding on the stakeholders inside of it, as they enormously impression the definition of the choice standards. a short case examine illustrates those diverse features. Following a comparability of price profit research and Multicriteria selection reduction, the introductory bankruptcy units out the constitution of the e-book, with 4 next chapters dedicated to the method of ELECTRE and 3 outlining case stories concerning various models of ELECTRE.
The chapters targeting the ELECTRE method first provide an outline of the most MCDA tools sooner than proposing the ELECTRE procedure intimately. each one bankruptcy solutions the next questions: (1) In what context should still the ELECTRE equipment be selected? (2) Which model of the equipment is greatest to use to a given challenge? one other bankruptcy bargains with a serious and mild challenge inside of MCDA - the right way to appropriately check the position performed by way of each one criterion in a given determination challenge, and the way this interprets into a suitable weighting for it. every one covers a special civil engineering self-discipline and every makes use of a distinct model of ELECTRE. the ultimate bankruptcy on technique provides a few components which, whilst used with ELECTRE, can tremendously improve its usefulness in perform.
This ebook is exceptional in lots of respects. i'm confident that the easy, transparent and concise type of the authors will make this ebook obtainable to very many readers. No very important element of the topic is overlooked, and the concise nature of this publication doesn't prevent its originality. final yet now not least, the way within which the case reviews are defined permits the authors not just to illustrate the validity of the technique and systems provided, but additionally to assist the reader know how to use them in an efficient demeanour.
Taken from the Foreword through Bernard Roy, college Paris-Dauphine

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Extra resources for ELECTRE and Decision Support: Methods and Applications in Engineering and Infrastructure Investment

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1992) Multicriteria Decision Aid. 1 Introduction to ELECTRE In July 1966, Bernard Roy presented a paper in Rome in which he used his formal training in Mathematics to develop a practical decision-making system, now known as ELECTRE. It involves a systematic analysis of the relationship between all possible pairings of the different options, based on each option's scores on a set of common criteria of evaluation. The result is a measure of the degree to which each option outranks all others. The methodology entails the construction of an outranking relation, the generation of concordance and discordance indices (including the notion of relative importance of each criterion) and an analysis of the results obtained from an overall evaluation of all the outranking relationships derived.

The numbers reflecting these comparisons are inserted in a matrix, and the eigenvector with the largest eigenvalue is found. The eigenvector itself provides the priority ordering, and the eigenvalue is a measure of the consistency of the judgement. Saaty suggests using a simple nine point numerical scale, such as the one given in the table immediately below, to represent the results of each pairwise comparison. A nine-point scale is needed because Saaty (1977) believed that, within the framework of a simultaneous comparison, one does not need more than 9 scale points to distinguish between stimuli.

This is best illustrated by expanding the equation for the case of three attributes. This gives U(X) = kjuJxj) + k2U2(xlY + k3U3(X3) + K{kjk2uJxj)ulxlY + k jk3uJxj)U3(X3)+ k2k3U2(XlYU3(X3)} + K2 kjk2k3uJxj)U2(XlYU3(X3) (2-12) It is readily seen that this includes the simple weighted average as a special case, but also allows for all possible multiplicative combinations of cross influences between attributes. The individual factors k i must be detennined as part of the analysis. They depend on the range of possible outcomes considered for each consequence and should not be interpreted as weights.

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ELECTRE and Decision Support: Methods and Applications in Engineering and Infrastructure Investment by Martin Gerard Rogers, Michael Bruen, Lucien-Yves Maystre

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