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The criteria of selecting optimism coefficient

The criteria of selecting optimism coefficient

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Technique for order preference by similarity to an ideal solution (TOPSIS) is an effective technique to solve multi-criteria decision-making problem. It aims to select the alternative, which has the “shortest distance” from positive ideal solution (PIS) and the “farthest distance” from negative ideal solution (NIS). Nevertheless, much literature ha...

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Context 1
... κ is called optimism coefficient(0 ≤ κ ≤ 2). The criteria of selecting optimism coefficient is shown in Table 4. The physical meanings of κ will be discussed in next section. ...
Context 2
... physical meanings of κ will be discussed in next section. Table 4 to be inserted here. ...

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... MCDM methods are widely used in the literature in many fields such as education, health, energy, defense, and tourism [14,[43][44][45][46][47][48][49]. TOPSIS, EDAS and CODAS methods are some of the commonly used MCDM methods [18,22,[50][51][52][53][54][55][56][57][58]. ...
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... The concept of fuzzy sets (FSs) proposed by Zadeh [1] descripts the complex decision-making environment, and it has been extended into more complicated fuzzy sets such as IFSs [2,3] and the hesitant fuzzy set (HFS) [4] which are the two main branches of FSs. The IFSs is the classical fuzzy set and it has been applied to many fields, such as business management, decision -making and so on [5][6][7]. ...
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... (Rachwan et al., 2016) Thus, VE is an innovative approach to identifying and selecting the best choice of valve in terms of the value for the money (Sotoodeh, 2018a). Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) is an effective technique for solving multi-criteria decision-making problems (Huang & Jiang, 2018). It aims to select the alternative that has the "shortest distance" from the positive ideal solution (PIS) and the "farthest distance" from the negative ideal solution (NIS) (Huang & Jiang, 2018). ...
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... Aiming at these problems, some experts have presented the corresponding improvement programs. For instance, Huang et al. [37] defined an optimism coefficient to describe DM's or investor's optimistic attitudes and utilized this parameter to extend the conventional ideal point method, so as to deal with the investment problem more effectively and flexibly; Xian et.al [38] later proposed an additional index characterizing DM's preference for risk and profit. In Xian et al.'s study [38], both the optimism coefficient in Huang et al.'s study [37] and preference index were introduced into the ideal point method, so that the availability of their study got great improvement. ...
... For instance, Huang et al. [37] defined an optimism coefficient to describe DM's or investor's optimistic attitudes and utilized this parameter to extend the conventional ideal point method, so as to deal with the investment problem more effectively and flexibly; Xian et.al [38] later proposed an additional index characterizing DM's preference for risk and profit. In Xian et al.'s study [38], both the optimism coefficient in Huang et al.'s study [37] and preference index were introduced into the ideal point method, so that the availability of their study got great improvement. In order to improve the feasibility and flexibility of the ELECTER II method and make it more applicable to complex and diverse problems in practical decision-making, double attitude parameters [38] which can reflect experts' optimism and their attitude towards risk and profit are considered and introduced to extend the traditional ELECTRE II method in our study. ...
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... Decision makers often face struggles in evaluating alternatives in accordance to criteria due to different understanding towards problem domain and the way of thinking thus, resulting in different opinions and evaluations. In the context of alternatives selection, decision makers also can describe their intuition on risk and profit through the values of optimism coefficient [1]. Hence, vagueness in data and uncertainty in evaluating alternatives dealt by decision makers can be managed by implying hesitant fuzzy approach in the formulation. ...
... Ece and Uludag (2017) proposed applicability of fuzzy topsis method in optimal portfolio selection and an application in BIST. While, Huang and Jiang (2018) introduced the Extension of TOPSIS method and its application in investment. Moayyed et al (2019) identifying the factors affecting manufacturing investment projects and using TOPSIS method for prioritizing projects. ...
... Definition 1 [48,49] An intuitionistic fuzzy set (IFSs) in a non-empty set P can be defined as: ...
... In the following, we will list some algorithms and aggregate operators of IFNs to assist us in comprehending the application environment of this paper. Definition 2 [48]. Suppose there are two intuitionistic fuzzy numbers, = ( , ) and = ( , ) respectively, then: ...
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Due to the complexity of decision-making problems and the subjectivity of decision-makers in practical application, it is necessary to adopt different forms of information expression according to the actual situation of specific decision-making problems and choose the best method to solve them. Multi-valued neutrosophic set, as an extension of neutrosophic set, can more effectively and accurately describe incomplete, uncertain or inconsistent information. TODIM and TOPSIS methods are two commonly used multi-attribute decision-making methods, each of which has its advantages and disadvantages. This paper proposes a new method based on TODIM and TOPSIS to solve multi-attribute decision-making problems under multi-valued neutrosophic environment. After introducing the related theory of multi-valued neutrosophic set and the traditional TODIM and TOPSIS methods, the new method based on a combination of TODIM and TOPSIS methods is described. And then, two illustrative examples proved the feasibility and validity of the proposed method. Finally, the result has been compared with some existing methods under the same examples and the proposed method's superiority has been proved. This paper studies this kind of decision-making problem from algorithm idea, algorithm steps and decision-making influencing factors.