نتایج جستجو برای: α cut approach

تعداد نتایج: 1510963  

2016
A. Venkatesh Senthil Kumar

The theoretical study of the effect of Corticosterone release scores was determined. Formulae of fuzzy two parameter Weibull distribution, fuzzy Survival and fuzzy hazard rate function and its α-cut sets were presented. Using fuzzy survival and hazard rate model based on two parameter Weibull distributions, we showed that in the test termination, if the fuzzy Survival value increases then the f...

Journal: :Allergologia et immunopathologia 2015
A P Castro A C Pastorino A K F Gushken C M Kokron U D Filho C M A Jacob

BACKGROUND Cow's milk allergy diagnosis many times requires double-blind placebo-controlled food challenge (DBPCFC), which presents high accuracy but involves risks, specifically in infants and anaphylactic patients. The identification of the cut-off values for specific IgE to milk or its components would contribute to cow's milk allergy (CMA) diagnosis. The aim of this study was to compare dis...

2012
Juan Carlos Figueroa García

This paper shows a proposal for Type-reduction of an Interval Type-2 fuzzy set composed from α-cuts done over its primary membership functions. The definition of available Type-reduction methods for Interval Type-2 fuzzy sets are based on an homogeneous subdivision of the universe of discourse, so we propose an approximation algorithm for Type-reduction of an Interval type-2 fuzzy set through i...

2001
MONIQUE LAURENT

We study how the lift-and-project method introduced by Lovász and Schrijver [SIAM J. Optim., 1 (1991), pp. 166–190] applies to the cut polytope. We show that the cut polytope of a graph can be found in k iterations if there exist k edges whose contraction produces a graph with no K5-minor. Therefore, for a graph G with n ≥ 4 nodes with stability number α(G), n − 4 iterations suffice instead of ...

2014
Jiuzhen Liang Dejiang Wang

This paper deals with the implementation of Steiner point of fuzzy set. Some definitions and properties of Steiner point are investigated and extended to fuzzy set. This paper focuses on establishing efficient methods to compute Steiner point of fuzzy set. Two strategies of computing Steiner point of fuzzy set are proposed. One is called linear combination of Steiner points computed by a series...

2012
Masoud Moshref Minlan Yu Abhishek B. Sharma Ramesh Govindan

Rnd-4K Rnd-16K Agg-4K Agg-16K o VCRIB is efficient in placing rules using provided resources Larger network capacity Smaller partitions Smaller partitions more flexibility in placement less traffic overhead Aggregatable source IP addresses for VMs on each hypervisor (Agg setting) less traffic overhead o Handling overlapping rules with partitions BSP Tree: • Recursively cut the space and create ...

2013
Kaveh Khalili-Damghani Madjid Tavana

Data envelopment analysis (DEA) is a linear programming method for assessing the efficiency and productivity of organizational units called decisionmaking units (DMUs). We propose a new network DEA (NDEA) model for measuring the performance of agility in supply chains. The uncertainty of the input and output data is modeled with linguistic terms parameterized with fuzzy sets. The proposed fuzzy...

1996
Viggo Kann Sanjeev Khanna Jens Lagergren Alessandro Panconesi

We study the Max k-Cut problem and its dual, the Abstract-1 Min k-Partition problem. In the Min k-Partition problem, given a graph G = (V, E) and positive edge weights, we want to find an edge set of minimum weight whose removal makes G k-colorable. For the Max k-Cut problem we show that, if P 6= NP, no polynomial time approximation algorithm can achieve a relative error better than 1/(34k). It...

2011
SHU-CHEN WANG

This paper presents the applications of hierarchical clustering to the generators in a power system. A useful application of fuzzy mathematics is that the correction of clustering results and determination of whether it can obtain correct transitive closure. Thus, the fuzzy transitive closure plays an important role in hierarchical clustering. Based on the fuzzy relation matrix, the hierarchica...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم انسانی و اجتماعی 1388

به نظر می رسد که فاکتور های ژنتیکی مستعد کننده به بیماری بهجت در پیشرفت بیماری نقش مهمی دارند. سطح سرمی فاکتور نکروز کننده¬ی توموری (tnf) در بیماران مبتلا به بهجت بالا می¬رود و پاسخ مثبت افراد بیمار به درمان آنتی بادی tnf-α نشان دهنده¬ی نقش tnf در بیماری بهجت است. در این مطالعه توزیع دو تا از پلی¬مورفیسم¬های ناحیه¬ی پروموتوری ژن tnf-α (tnf-α -1031t/c & tnf-α -308g/a) در 53 فرد بیمار و 79 فرد ک...

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