نتایج جستجو برای: تئوری grey
تعداد نتایج: 35226 فیلتر نتایج به سال:
The grey-weighted Markov model is a prediction model integrating the advantages of grey model and Markov chain model. It can be applied to predict the highway passenger transport quantum. Compared with grey model, the grey-weighted Markov chain model improved the precise of prediction, so the combined model was more appropriate for the prediction of highway passenger transport. Based on the ori...
Grey theory is one of the new mathematical theories born out of the concept of the grey set. It is an effective method used to solve uncertainty problems with discrete data and incomplete information. In this paper, an improved grey GM (1, 1) model, using a technique that combines residual modification with the Markov chain model, is proposed. This paper employs the annual supply value of Taiwa...
OBJECTIVES Our purpose was to investigate whether differences exist in the values and temporal evolution of mean diffusivity () and fractional anisotropy (FA) of grey and white matter after human ischaemic stroke. METHODS Thirty two patients with lesions affecting both grey and white matter underwent serial diffusion tensor magnetic resonance imaging (DT-MRI) within 24 hours, and at 4-7 da...
Southern right whales (SRWs, Eubalena australis) are polymorphic for an X-linked pigmentation pattern known as grey morphism. Most SRWs have completely black skin with white patches on their bellies and occasionally on their backs; these patches remain white as the whale ages. Grey morphs (previously referred to as partial albinos) appear mostly white at birth, with a splattering of rounded bla...
The capacity (state of charge/SoC) and voltage of lithium-ion batteries are of prime importance in electric vehicles, so their condition-monitoring techniques are extensively studied. This paper focuses on the application of the grey system theory to the parameters analyzing and predicting behavior during the discharge/charge cycles of the battery. Firstly, Grey Relation Analysis (GRA) is appli...
The multiple attribute mixed type decision making is performed by four methods, that is, the relative approach degree of grey TOPSIS method, the relative approach degree of grey incidence , the relative membership degree of grey incidence and the grey relation relative approach degree method using the maximum entropy estimation, respectively. In these decision making methods, the grey incidence...
We describe the design of Grey, a set of software extensions that convert an off-the-shelf smartphone-class device into a tool by which its owner exercises and delegates her authority to both physical and virtual resources. We focus on the software components and user interfaces of Grey, highlighting the features of each. We also discuss an initial case study for Grey, in which we are equipping...
One of the main concepts in grey system theory is how systems should be controlled under incomplete or lack of information situation. Grey number denoting an uncertain value is described in real interval from this concept. In this paper, we introduce the real formal concept analysis based on grey-rough set theory by using grey numbers, instead of binary values. We propose, to extend the notion ...
هدف این پژوهش مقایسه اثربخشی آموزش غنیسازی زندگی زناشویی براساس دو رویکرد تئوری انتخاب و گاتمن بر گذشت زنان در است. روش نیمهتجربی با طرح پیشآزمون ـ پسآزمون گروه کنترل بود. جامعه شامل متأهل دارای مشکلات مراجعهکننده به مرکز مشاوره تسنیم شهرستان شوش سال 98 بودند که از میان آنها 60 نفر نمونهگیری دسترس صورت تصادفی سه مساوی جای گرفتند. اول 9 جلسه دقیقهای غنیسازی دوم 8 نظریه را دیدند. نیز پرس...
Epidemiological data link adolescent cannabis use to psychosis and schizophrenia, but its contribution to schizophrenia neuropathology remains controversial. First-episode schizophrenia (FES) patients show regional cerebral grey- and white-matter changes as well as a distinct pattern of regional grey-matter loss in the vermis of the cerebellum. The cerebellum possesses a high density of cannabi...
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