نتایج جستجو برای: α cut approach
تعداد نتایج: 1510963 فیلتر نتایج به سال:
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...
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...
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...
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 ...
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...
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 ...
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...
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...
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...
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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