نتایج جستجو برای: Interval-valued hesitant fuzzy sets

تعداد نتایج: 517438  

In this paper, a new soft computing group decision method based on the concept of compromise ratio is introduced for determining decision makers (DMs)' weights through the group decision process under uncertainty. In this method, preferences and judgments of the DMs or experts are expressed by linguistic terms for rating the industrial alternatives among selected criteria as well as the relativ...

2014
Juan-juan Peng Jian-qiang Wang Jing Wang Xiao-hong Chen

The definition of hesitant interval-valued intuitionistic fuzzy sets (HIVIFSs) is developed based on interval-valued intuitionistic fuzzy sets (IVIFSs) and hesitant fuzzy sets (HFSs). Then, some operations on HIVIFSs are introduced in detail, and their properties are further discussed. In addition, some hesitant interval-valued intuitionistic fuzzy number aggregation operators based on t-conorm...

Journal: :iranian journal of fuzzy systems 0
dechao li school of mathematics, physics and information science, zhejiang ocean university, zhoushan, zhejiang, 316022, china and key laboratory of oceanographic big data mining and application of zhejiang province, zhoushan, zhejiang, 316022, china yongjian xie college of mathematics and information science, shaanxi normal university, xi'an, 710062, china

it is firstly proved that the multi-input-single-output (miso) fuzzy systems based on interval-valued $r$- and $s$-implications can approximate any continuous function defined on a compact set to arbitrary accuracy.  a formula to compute the lower upper bounds on the number  of interval-valued fuzzy sets needed to achieve a pre-specified approximation  accuracy for an arbitrary multivariate con...

Journal: :Mathematical Problems in Engineering 2015

2016
PRANAB BISWAS SURAPATI PRAMANIK BIBHAS C. GIRI Florentin Smarandache

Single valued neutrosophic hesitant fuzzy set has three independent parts, namely the truth membership hesitancy function, indeterminacy membership hesitancy function, and falsity membership hesitancy function, which are in the form of sets that assume values in the unit interval [0, 1]. Single valued neutrosophic hesitant fuzzy set is considered as a powerful tool to express uncertain, incompl...

2013
Said Broumi Florentin Smarandache

Hesitancy is the most common problem in decision making, for which hesitant fuzzy set can be considered as a useful tool allowing several possible degrees of membership of an element to a set. Recently, another suitable means were defined by Zhiming Zhang [1], called interval valued intuitionistic hesitant fuzzy sets, dealing with uncertainty and vagueness, and which is more powerful than the h...

Journal: :J. Applied Mathematics 2012
Bin Zhu Zeshui Xu Meimei Xia

In recent decades, several types of sets, such as fuzzy sets, interval-valued fuzzy sets, intuitionistic fuzzy sets, interval-valued intuitionistic fuzzy sets, type 2 fuzzy sets, type n fuzzy sets, and hesitant fuzzy sets, have been introduced and investigated widely. In this paper, we propose dual hesitant fuzzy sets DHFSs , which encompass fuzzy sets, intuitionistic fuzzy sets, hesitant fuzzy...

Journal: :international journal of industrial mathematics 0
s. m. ‎mousavi‎ department of industrial engineering‎, ‎faculty of engineering‎, ‎shahed university‎, ‎tehran‎, ‎iran. b. vahdani faculty of industrial and mechanical engineering‎, ‎qazvin branch‎, ‎islamic azad university‎, ‎qazvin‎, ‎iran. h. gitinavard‎ young researchers and elite club‎, ‎south tehran branch‎, ‎islamic azad university‎, ‎tehran‎, ‎iran. h. hashemi‎ young researchers and elite club‎, ‎south tehran branch‎, ‎islamic azad university‎, ‎tehran‎, ‎iran

‎selecting the most suitable robot among their wide range of specifications and capabilities is an important issue to perform the hazardous and repetitive jobs‎. ‎companies should take into consideration powerful group decision-making (gdm) methods to evaluate the candidates or potential robots versus the selected attributes (criteria)‎. ‎in this study‎, ‎a new gdm method is proposed by utilizi...

Journal: :KES Journal 2016
Gui-Wu Wei Xin-Rui Xu De-Xue Deng

In this paper, we investigate the multiple attribute decision making (MADM) problem based on the arithmetic and geometric aggregation operators with interval-valued dual hesitant fuzzy linguistic information. Then, motivated by the ideal of traditional arithmetic operation, we have developed some aggregation operators for aggregating interval-valued dual hesitant fuzzy linguistic information: i...

2016
Qaisar Khan Tahir Mahmood

In this article we present three similarity measures between simplified neutrosophic hesitant fuzzy sets, which contain the concept of single valued neutrosophic hesitant fuzzy sets and interval valued neutrosophic hesitant fuzzy sets, based on the extension of Jaccard similarity measure, Dice similarity measure and Cosine similarity in the vector space. Then based on these three defined simila...

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