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- 저자 : 鄭順錫 (검색결과 98 건)
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정순석,이용화 충주대 산업과학기술연구소 1999 産業科學論文集 Vol.7 No.1
This paper is organized as follows: Section 2 begins with a disscussion on existing bounds under first-order moments, and then presents the framework for developing new bounds under second-order moments. In section 3, this framework is used to derive lower and upper bounds for the expectation of a saddle function under simplicial domains, using first moments as well as variance/covariance information. Section 4 utilizes second-order joint moments and rectangular domauns to derive bounds for the saddle case. Section 5 give a example that are infimum and supremum of E[g] on convex-concave saddle function.
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AHP를 사용한 커피전문점 소비자 만족도 우선순위에 관한 연구
정순석 韓國交通大學校 1967 한국교통대학교 논문집 Vol.51 No.-
This study is currently coffee market is quantified the importance of selected properties for the general 20-30 consumers to coffee shops unprofessional targeting coffee shops in South Korea in a saturated state, and coffee in severe Korea's coffee market competition by sequencing the executive will operate a restaurant and a coffee shop that wants to operating managers to provide strategic implication to support the safe execution. To this end, this study extracted a wide range of literature significantly select Properties from the study on the existing studies related to coffee shops and coffee shops for more than one week, once by targeting the visitors 20-30 consumers were surveyed, the results of the survey were used to identify the importance and priority of the coffee shop selected properties by AHP. The questionnaire was deployed to 205, the same number was recovered. The questionnaire was 28 except for a survey that determined that the response of insincerity, were also analyzed using a total of 153 respondents 24 people, excluding Expert Choice11.5 programs do not meet the above criteria.
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정순석,이용화 충주대 산업과학기술연구소 1997 産業科學論文集 Vol.5 No.-
In this paper, taking survice time calculate by Monte-Carlo method at C fuel injection station. Probability distribution with respect to time is assumed poisson distribution. Being twenty automobiles arrived at fuel injection station, conjecture following that sale profit, average arrived time, average survice time, available rate systems, average queueing time, give up probability and queueing probability in fuel injection.
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鄭順錫 충주대학교 1993 한국교통대학교 논문집 Vol.27 No.-
In this peper, we prove that 3-fold irregular branched covering space of closed 4-braids is a lens space L(n,1).
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鄭順錫 충주대 2000 한국교통대학교 논문집 Vol.35 No.1
In this paper, we study the decision analysis cycles methods and a physical example in decision making process.We now turn to decision making in the face of uncertainty in the economics and social problems.Instead of making decisions over a long time, we now are concerned with making perhaps just one decision about what to do in the immediate future.However, there still are random factors outside our control that create some uncertainty about the outcome of each of the alternative course of action.Decision analysis provides a framework and methodology for rational decision making in the context.Decision analysis cycles methods has become an important technique for decision making in the face of uncertainty.It is characterized by enumerating all the available courses of action, identifying the payoffs for all possible outcomes, and quantifying the subjective probabilities for all the possible random events.When these data are available, decision analysis cycles methods becomes a powerful tool for data are available, decision analysis cycles methods determining an optimal course of action.
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鄭順錫 충주대 2003 産業科學論文集 Vol.11 No.-
Decision analysis has becomes an important technique for decision making in the face of uncertainty. It is characterized by enumerating all the available courses of action, identifying the payoffs for all possible outcomes, and quantifying the subjective probabilities for the all possible random events. When the data are available, decision analysis becomes a powerful tool for determining an optimal couse of action. We study the multi-attribute decision making in a compensatory models. In this paper, we use the eigenvector methods in weights calculating. For the purpose of making optimal decision, the data of five different car models are used. For computing, we used Visual Numerica Version 1.0 software package.
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퍼지 위상공간에서의 Moore-Smity 收斂에 關한 硏究
鄭順錫 忠州大學校 1993 한국교통대학교 논문집 Vol.28 No.-
In this paper, we introduce the notion of a Moore-Smith convergence in fuzzy topological spaces and make a few obervations to establish the appropriateness of this notion.
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정순석 忠州大學校 2005 한국교통대학교 논문집 Vol.40 No.2
Dynamic programming (DP) determines the optimum solution th n-variable problem by decomposing it into n stages with each stage comprising a single-variable, instead of n-variable, subproblems. The main contribution of DP is the principle of optimality, a framework for decomposing the problem into stages. In this paper, we study about purchase and exchange in a special machine for production in some domestic company. In intersest rate 10% per year, we study about planning exchange machine which minimizes present value of total cost for 4 years.
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두단계 확률선형계획법에 적용한 두 활률변수의 볼록함수에서 E[g]의 새로운 하계에 관한 연구
정순석 忠州大學校 1999 한국교통대학교 논문집 Vol.34 No.1
This paper is organized as follows: Section 2 develops two new lower bounds. To the auther's knowledge, for the expectation of a convex function, this is the instance that a lower bound under limited moments is computed in closed-form that is better than the first-moment lower bound due to Jensen's inequality. section 3 applies the derived bounds for solving two-stage stochastic linear programs. Computational results are presented for both the saddle and convex cases, and compared with implementations of first-order bounds under rectangular domains. Section 4 give a example that are new lower bounds of E[g] on convex function of two random variables.
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