نتایج جستجو برای: polynilpotent series

تعداد نتایج: 350969  

Journal: :modeling and simulation in electrical and electronics engineering 2015
abbas koochari mohsen soryani

despite recent advances in video inpainting techniques, reconstructing large missing regions of a moving subject while its scale changes remains an elusive goal. in this paper, we have introduced a scale-change invariant method for large missing regions to tackle this problem. using this framework, first the moving foreground is separated from the background and its scale is equalized. then, a ...

Journal: :journal of industrial engineering, international 2010
j safari r tavakkoli-moghaddam

this paper proposes an efficient algorithm based on memetic algorithm (ma) for a redundancy allocation problem without component mixing (rapcm) in a series-parallel system when the redundancy strategy can be chosen for individual subsystems. majority of the solution methods for the general rapcm assume that the type of a redundancy strategy for each subsystem is pre-determined and known a prior...

ایمانی, مهدی, حسینی, آغا فاطمه, صالحی, مسعود,

  Background : Controlling occurrence of accidents in work place has been an interesting subject in all countries worldwide. Financial consequences of these accidents and their economic losses imposed on the involved companies is only one of the insignificant aspects of such damages and when the non-economic but intangible losses to the society are taken into consideration ,these economic damag...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم 1392

در نظر گرفتن یک فرض کلاسیک در ساختمان سری ها موجب شده است، مشاهدات را با یک الگوی خطی که ضرایبش با زمان تغییر نمی کند در نظر گیرند. اما بسیاری از سری های زمانی دارای میانگین و واریانس ثابتی در طول زمان نیستند در این شرایط مدل های اتورگرسیو مشروط به ناهمسانی واریانس اغلب به نتایج مطلوبی منجر می شوند. تحقیقات نشان داده اند مدل های شبکه عصبی برای نمایش رفتار غیرخطی داده ها نیز از عملکرد قابل توجهی...

Journal: :دانش و پژوهش در آموزش زبان انگلیسی 0
بهنام قاسمی behnam ghasemi حمید رضا حق وردی hamid reza haghverdi

textbooks play a pivotal role in language learning classrooms. the problem is that among a wide range of textbooks in market which is appropriate for a specific classroom and a group of learners. in order to evaluate elt textbooks theorists and writers have offered different kinds of evaluative frameworks based on a number of principles and criteria. this study evaluates a series of elt textboo...

Journal: :desert 2009
r. naderi h. ghadiri

a greenhouse experiment was conducted to evaluate the competitive effects of different densities of wild mustardas against rapeseed. the experiment was performed in a randomized complete block design with four replicationsusing replacement series in which wild mustard and rapeseed were respectively planted in different ratios of 4:0, 3:1,2:2, 1:3 and 0:4 plants per pot. results indicated that t...

Journal: :journal of arthropod-borne diseases 0
afshin ostovar epidemiology and biostatistics department, school of public health, tehran university of medical sciences, tehran, iran ali akbar haghdoost research center for modeling in health, institute for future studies in health, kerman university of medical sciences, kerman, iran abbas rahimiforoushani epidemiology and biostatistics department, school of public health, tehran university of medical sciences, tehran, iran ahmad raeisi malaria control office of moh and me, tehran university of medical sciences, tehran, iran reza majdzadeh knowledge utilization research center, tehran university of medical sciences, tehran, iran

background: the malaria early warning system is defined as the use of prognostic variables for predicting the occurrence of malaria epidemics several months in advance. the principal objective of this study was to provide a malaria prediction model by using meteorological variables and historical malaria morbidity data for malaria-en­demic areas in south eastern iran. methods: a total of 2002 l...

Farzaneh Akbarzadeh Maliheh Khatami,

As with most computer science problems, representation of the data is the key to ecient and eective solutions. Piecewise linear representation has been used for the representation of the data. This representation has been used by various researchers to support clustering, classication, indexing and association rule mining of time series data. A variety of algorithms have been proposed to obtain...

2003
Ambrus Pál AMBRUS PÁL

We construct analogues of theta series, Eisenstein series and Poincaré series for function fields of one variable over finite fields, and prove their basic properties.

‎In this study‎, ‎Frattini supplement subgroup and Frattini supplemented group‎ ‎are defined by Frattini subgroup‎. ‎By these definitions‎, ‎it's shown that‎ ‎finite abelian groups are Frattini supplemented and every conjugate of a‎ ‎Frattini supplement of a subgroup is also a Frattini supplement‎. ‎A group action‎ ‎of a group is defined over the set of Frattini supplements of a normal‎ ‎subgro...

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