نتایج جستجو برای: uncertain random variable

تعداد نتایج: 582525  

Journal: :Iet Control Theory and Applications 2022

A complex system exhibiting uncertainty as well randomness may be portrayed by an uncertain random singular difference equation. This paper investigates two-person nonzero-sum and zero-sum games based on equations. First, approach is proposed to translate the game into equivalent for a standard dynamic system. The relevant recursive equations are developed search Nash equilibrium converted game...

2015
Yang Chen Pierre-Henri Wuillemin Jean-Marc Labat

Estimating the prerequisite structure of skills is a crucial issue in domain modeling. Students usually learn skills in sequence since the preliminary skills need to be learned prior to the complex skills. The prerequisite relations between skills underlie the design of learning sequence and adaptation strategies for tutoring systems. The prerequisite structures of skills are usually studied by...

The classification of fuzzy uncertain data is considered one of the most challenging issues in data analysis. In spite of the significance of fuzzy data in mathematical programming, the development of the analytical methods of fuzzy data is slow. Therefore, the current study proposes a new fuzzy data classification method based on fuzzy data envelopment analysis (DEA) which can handle strea...

Journal: :Selecciones Matemáticas 2019

Journal: :International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 2014
Yuhan Liu Dan A. Ralescu

In many systems, randomness and uncertainty are present simultaneously. Uncertain random variables provide a tool to deal with these inexact phenomena. This paper proposes a concept of risk index to quantify the risk of an uncertain random system. In addition, a risk index theorem is proved in order to calculate the risk index, and is applied to series systems, parallel systems and standby syst...

Journal: :International Journal of Advanced Research in Engineering Innovation 2023

The scheduling literature reveals that majority of the studied problems are for deterministic case where all parameters jobs known in advance and fixed. However, some real-world environments, assumption fixed is not valid since job uncertain. An uncertain parameter can be modelled as a random variable within interval with lower upper bounds, called bounded. objective this paper to review invest...

Journal: :Filomat 2022

The aim of this paper is to study a dimorphic property associated with two different sums identically independent Bernoulli random variables having families probability mass functions. In addition, we give expressions on products degenerate Stirling numbers the second kind and first connected those variables.

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