نتایج جستجو برای: three parameter interval grey numbers
تعداد نتایج: 1806711 فیلتر نتایج به سال:
the purpose of this paper is to develop a methodology for solving a new type of matrix games in which payoffs are expressed with triangular intuitionistic fuzzy numbers (tifns). in this methodology, the concept of solutions for matrix games with payoffs of tifns is introduced. a pair of auxiliary intuitionistic fuzzy programming models for players are established to determine optimal strategies...
We define a family B(t) of compact subsets the unit interval which generalizes sets numbers whose continued fraction expansion has bounded digits. study how set changes as one moves parameter t, and see that undergoes period-doubling bifurcations displays same transition pattern from periodic to chaotic behavior usual quadratic polynomials. The E bifurcation parameters is fractal measure zero H...
Abstract Taking account of the time-delayed phenomenon in diffusion of new products, we propose the timedelayed Verhulst model and then establish grey time-delayed Verhulst model using the method of greying differential equations. The related parameter packets of the novel model is obtained under the rule of OLS. The results show that traditional grey Verhulst model is a special example of grey...
Given a graph G and integers k1, k2, and k3, the unit interval editing problem asks whether G can be transformed into a unit interval graph by at most k1 vertex deletions, k2 edge deletions, and k3 edge additions. We give an algorithm solving this problem in time 2 logk) · (n+m), where k := k1 +k2 +k3, and n,m denote respectively the numbers of vertices and edges of G. Therefore, it is fixed-pa...
in this paper, we present a revised similarity measure based onchen-and-chen's similarity measure for fuzzy risk analysis. the revisedsimilarity measure uses the corrected formulae to calculate the centre ofgravity points, therefore it is more effective than the chen-and-chen'smethod. the revised similarity measure can overcome the drawbacks of theexisting methods. we have also proposed a new ...
The censored data are widely used in statistical tests and parameters estimation. In some cases e.g. medical accidents which data are not recorded at the time of occurrence, some methods such as interval censoring are used. In this paper, for a random sample uniformly distributed on the interval (0,θ) the interval censoring have been used. A consistent estimator of θ and some asy...
Nonlinear grey-box identification of industrial robots is considered. A three-step identification procedure is proposed in which parameters for rigid body dynamics, friction, and flexibilities can be identified only using measurements on the motor. In the first two steps, good initial parameter estimates are derived which are used in the last step, where the parameters of a nonlinear physically...
The influence of dyeing and spinning on the characteristics of cotton fibers and its impact on the properties of cotton mélange yarn has been investigated. Grey cotton fibers with mean fiber length and fineness of 29 mm and 4.2 micronair were pre-treated and dyed. Three ring yarns were spun from 100 % grey cotton (R.R.Y), 50-50 % blend of dyed and grey cotton (M.R.Y) and 100 % dyed cotton fiber...
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