نتایج جستجو برای: interval models

تعداد نتایج: 1086776  

Journal: :Optimization Methods and Software 2012
Deng-Feng Li Jiang-Xia Nan Mao-Jun Zhang

Interval programming models for matrix games with interval payoffs Deng-Feng Li a , Jiang-Xia Nan b & Mao-Jun Zhang c a School of Management, Fuzhou University, Fuzhou, 350108, Fujian, People's Republic of China b College of Information Engineering, Dalian University, Dalian, 116622, Liaoning, People's Republic of China c Department of Economics, Dalian University of Technology, Dalian, 116024,...

2013

The author previously proposed an extension of differential evolution. The proposed method extends the processes of DE to handle interval numbers as genotype values so that DE can be applied to interval-valued optimization problems. The interval DE can employ either of two interval models, the lower and upper model or the center and width model, for specifying genotype values. Ability of the in...

M. Mohammadpour

Data envelopment analysis (DEA) is a non-parametric method for evaluating the relative technical efficiency for each member of a set of peer decision making units (DMUs) with multiple inputs and multiple outputs. The original DEA models use positive input and output variables that are measured on a ratio scale, but these models do not apply to the variables in which interval scale data can appe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی 1387

abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...

H. Azizi, , R. Jahed, ,

The performances of decision-making units (DMUs) can be evaluated from two different points of view optimistic and pessimistic and accordingly, two different efficiencies can be calculated for each DMU: the best relative efficiency and the worst relative efficiency. In the conventional methods of data envelopment analysis (DEA), only the best relative efficiency is evaluated. It is argued h...

Journal: :American Journal of Theoretical and Applied Statistics 2016

Journal: :Science and Education of the Bauman MSTU 2012

A novel approach to the problem of regression modeling for fuzzy input-output data is introduced.In order to estimate the parameters of the model, a distance on the space of interval-valued quantities is employed.By minimizing the sum of squared errors, a class of regression models is derived based on the interval-valued data obtained from the $alpha$-level sets of fuzzy input-output data.Then,...

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