نتایج جستجو برای: rank reversal
تعداد نتایج: 106879 فیلتر نتایج به سال:
We present a special case of the theory of coherent isotropic averaging in zero-field NMR, given in part I of this work. In a zero external field, combinations of the magnetic-field pulses restricted to p/2 rotations along the three coordinate axes can selectively average internal spin Hamiltonians while preserving the intrinsic invariance of the spectrum with respect to the sample orientation....
19 juvenile members of known genealogies in two wild baboon groups were studied over a 16month period. Males and females in two age classes were compared regarding third-party aggression and support given and received during agonistic interaction. Young juvenile males and females (1-2.5 years-old) were supported predominantly by their probable fathers. The adult males supported without regard t...
The Analytic Hierarchy Process (AHP) has been considerably criticized for its possible rank reversal phenomenon. Many variants of the original AHP have been proposed to preserve rank orders. The validity of the original AHP and its variants have been a subject of long-lasting debate. In this paper we propose four criteria to evaluate the validity of AHP aggregation rules and examine three typic...
Previous review papers on analytic hierarchy process (AHP) and TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) mainly focused on the application areas and paid scant attention to the framework development of AHP, TOPSIS and their hybrid methods. The purpose of this paper is to review the literature on analytic hierarchy process (AHP), type of scale used in AHP, modified ...
This paper develops the spectral properties of pairwise comparison matrices (PCM) used in the multicriteria decision making method called analytic hierarchy process (AHP). Perturbed PCMs are introduced which may result in a reversal of the rank order of the decision alternatives. The analysis utilizes matrix theory to derive the principal eigenvector components of perturbed PCMs in explicit for...
The Analytic Hierarchy Process (AHP) which was developed by Saaty (1977, 1980, 1995) has been a widely used, discussed and debated multiple criteria decision making (MCDM) technique during the last twenty five years or more. Belton and Gear (1983) showed that additive aggregation method allowed rank order of the alternatives to change when a new alternative is added or an existing one is delete...
The Machiavellian/Social Intelligence Hypothesis proposes that a complex social environment selected for advanced cognitive abilities in vertebrates. In primates it has been proposed that sophisticated social strategies like obtaining suitable coalition partners are an important component of social intelligence. Knowing the rank relationships between group members is a basic requirement for the...
چکیده : مالتیپل میلوما بدخیمی خونی است که با افزایش تکثیر پلاسماسل های مونوکلونال در مغز استخوان همراه می باشد . ضایعات استئولیتیک این بیماری موجب دردهای شدید استخوانی ، شکستگی های پاتولوژیک استخوانی ، افزایش کلسیم و فشردگی طناب نخاعی می گردد . مکانیسم سلولی اصلی که باعث ایجاد بیماری استخوانی در میلوما می شود شامل واکنش متقابل بین سلول میلومایی و ریز محیط مغز استخوان (microenviroment ) می باش...
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