نتایج جستجو برای: uncertain behavior

تعداد نتایج: 676632  

1993
Ra aello D'Andrea Fernando Paganini John Doyle

The invited session on behaviors, modeling, and robust control reeects an emerging view that these apparently disjoint subjects have important connections that can have a major impact on both theoretical and practical aspects of control. The behavioral setting provides a convenient framework for connecting modeling and robust control, and is being extended to make deeper contacts with more main...

Journal: :Journal of experimental psychology. Animal behavior processes 2013
Andrew T Marshall Kimberly Kirkpatrick

This study examined the effects of previous outcomes on subsequent choices in a probabilistic-choice task. Twenty-four rats were trained to choose between a certain outcome (1 or 3 pellets) versus an uncertain outcome (3 or 9 pellets), delivered with a probability of .1, .33, .67, and .9 in different phases. Uncertain outcome choices increased with the probability of uncertain food. Additionall...

Journal: :تحقیقات مالی 0
سعید سعیدا اردکانی دانشیار مدیریت بازرگانی، دانشگاه یزد، ایران آی ناز بهلکه دانشجوی کارشناسی ارشد، مدیریت بازرگانی ـ گرایش مالی، دانشگاه یزد، ایران نگار میرزاد دانشجوی کارشناسی ارشد، مدیریت بازرگانی ـ گرایش مالی، دانشگاه یزد، ایران طاهره السادات توسلی دانشجوی کارشناسی ارشد، مدیریت بازرگانی ـ گرایش مالی، دانشگاه یزد، ایران

unexpected economic and political events are considered important elements impacting investment decisions of the investors during stock transactions and changing the stock price in desirable or undesirable ways. the current study aims to provide a review on investors’ reaction to unexpected events in tehran stock exchange market. for this purpose, the daily returns of the period spanning 1386-1...

Uncertainty theory is a mathematical methodology for dealing withnon-determinate phenomena in nature. As we all know, uncertainprocess and uncertain integral are important contents of uncertaintytheory, so it is necessary to have deep research. This paperpresents the definition and discusses some properties of strongcomonotonic uncertain process. Besides, some useful formulas ofuncertain integr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...

Many real time processes have complex, uncertain and nonlinear dynamics. Boilers are nonlinear, time varying, multi-input multi-output (MIMO) systems, whose states generally vary with operating conditions. The major problem in controlling that system is that its drum water pressure and steam flow dynamics include an integrator that results a critically stable behavior. Conventional controller p...

In this paper, we introduce a new hyperchaotic complex T-system. This system has complex nonlinear behavior which we study its dynamical properties including invariance, equilibria and their stability, Lyapunov exponents, bifurcation, chaotic behavior and chaotic attractors as well as necessary conditions for this system to generate chaos. We discuss the synchronization with certain and uncerta...

Journal: :journal of mathematical modeling 2015
hossein kheiri bashir naderi

in this paper, we introduce a new hyperchaotic complex t-system. this system has complex nonlinear behavior which we study its dynamical properties including invariance, equilibria and their stability, lyapunov exponents, bifurcation, chaotic behavior and chaotic attractors as well as necessary conditions for this system to generate chaos. we discuss the synchronization with certain and uncerta...

Journal: :مدیریت دولتی 0
حسنعلی آقاجانی دانشیار گروه مدیریت صنعتی، دانشگاه مازندران، بابلسر، ایران حسین صمدی میارکلائی کارشناس ارشد مدیریت دولتی، باشگاه پژوهشگران جوان، قائمشهر، ایران حمزه صمدی میارکلائی دانشجوی دکترای مدیریت، مدرس دانشگاه پیام نور

abstract: existence of professional and skillful employees in organizations is vital for survival and business success in uncertain environment. such employees work beyond their official responsibility and help organizations to achieve their goals. there are several factors such as psychological empowerment that play a key role on the forming of this behavior. the main purpose of present resear...

2010
Wei Liu

Shortest path problem is a fundamental problem in network optimization and combinational optimization. The existing literature mainly concerned with the problem in deterministic, stochastic or fuzzy environments by using different tools. Different from the existing works, we investigate shortest path problem by regarding arc lengths as uncertain variables which are employed to describe the beha...

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