نتایج جستجو برای: average rate of technical

تعداد نتایج: 21207218  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Journal: :Mathematical Social Sciences 2014

Journal: :Pattern Recognition Letters 1998

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

Mohammad Ghahremanzadeh, Sepideh Rostami Dolatabadi

The purpose of this study was to measure the technical efficiency of canola farmers and determine the underpinning factors. Required data were collected using stratified random sampling method and questionnaire survey. In this context, 157 canola farmers from Tabriz County, Iran, were asked to fill out the questionnaire in 2012-2013 growing season. The technical efficiency was evaluated using s...

Journal: :Operations Research Letters 2005

Ahmad Akbari, Ebrahim Moradi, Raei Seyedeh Samaneh,

Introduction The increasing population growth and the need for more agricultural products on the one hand, and on the other hand, the limitations of agricultural development are problems that human beings have always tried to solve. Due to the limited resources and inputs of production, it seems that further production growth is possible through advanced technologies. In fact, technology is so...

Journal: :iranian journal of public health 0
peivand bastani dept. of health services management, school of health management and information sciences, tehran university of medical sciences, tehran, iran. soudabeh vatankhah dept. of health services management, school of health management and information sciences, tehran university of medical sciences, tehran, iran ; health management and economics research centre, tehran university of medical sciences, tehran, iran. masoud salehi health management and economics research centre, tehran university of medical sciences, tehran, iran ; depart. of statistics and mathematics, school of health management and information sciences, tehran university of medical sciences, tehran, iran.

this study was designed to present and compare iranian hospitals` performance applying ratio analysis technique.this cross-sectional survey was conducted to present an instant image of 139 iranian hospitals` performance status applying ratio analysis as one of the non parametric technical efficiency assessment methods in 2008. data was collected using nine dimensional questionnaires supported b...

Journal: تعلیم و تربیت 2015
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Evaluation of the Academic Preparedness and Final Performance of Students of Electro-Techniques Field in Technical and Vocational Schools A.A. Khallaaghi, Ph.D. E. Ghaasemi Pooyaa, Ph.D. To determine the extent of the electro-techniques students' preparedness in order to assess their success in learning the practical skills and attitudes prescribed by the curriculum, a cluster sam...

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