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7차 수학과 고등학교 교육 과정의 의미 및 입시와 관련된 개선 방향
김화준 한국수학사학회 2004 Journal for history of mathematics Vol.17 No.2
이 연구는 7차 수학과 고등학교 교육 과정의 의미 및 대학 입시와 관련된 개선방향에 대하여 다루었다. 결과는 다음과 같다. 7차 수학과 고등학교 교육 과정의 의미는 수준별ㆍ선택 중심적 교과 과정이 새로이 도입된 것이고, 개선해야 할 점은 문ㆍ이과 사이의 학습 분량의 불균형이다. 이것은 대학 입시 출제 범위와 관련하여 해결해야 한다. This paper is aimed at studying a meaning of 7-th curriculum in high school mathematics and improvement direction in relation to entrance examinations.
Absolute continuity of functions of phiLambda BV
김화준 한국전산응용수학회 2006 Journal of applied mathematics & informatics Vol.22 No.1-2
We consider the relationship between absolute continuity for functions of a real variable and absolute continuity of functions of generalized bounded variation. Here, we obtain necessary and sufficient conditions between these two functions. We consider the relationship between absolute continuity for functions of a real variable and absolute continuity of functions of generalized bounded variation. Here, we obtain necessary and sufficient conditions between these two functions.
김화준,Kim Hwa-Jun 한국수학사학회 2006 Journal for history of mathematics Vol.19 No.2
유계변동(bounded variation)과 관련된 Daniel Waterman의 30여 년간의 연구에 대하여 조사를 하였다. Functions of bounded variation were discovered by Jordan in 1881 while working out the proof of Dirichlet concerning the convergence of Fourier series. Here, we investigate Waterman's study with respect to bounded variation and its application on a closed bounded interval. The value of his study is whether Dirichlet-Jordan theorem holds in which function classes or not and summability method is what modifies its Fourier coefficients to make resulting series converge to the associated function. We have a view that the directions of future research with respect to bounded variation are two things; one is to find the function spaces which are larger than HBV and smaller than ${\phi}BV$, and the other is to find a fields of applications.
노인 의료이용의 주관적 만족도: 포괄성, 전반적인 만족도, 접근성을 중심으로
김화준,고영,전은정,장숙랑,김창엽,Kim, Hwa-Joon,Koh, Young,Chun, Eun-Jeong,Jang, Soong-Nang,Kim, Chang-Yup 대한예방의학회 2009 예방의학회지 Vol.42 No.1
Objectives : The changing population age structure and rapidly increasing medical costs make providing high-quality, effective medical care for the elderly a challenge. This study assessed the satisfaction with medical care in terms of comprehensiveness, general satisfaction, and accessibility among community-dwelling Korean elders. Methods : Data were obtained from a nationwide representative sample of the older adults(aged 65 years old or older) living in the community, who participated in a 2006 telephone survey conducted using random digit dialing(n=881). General satisfaction, comprehensiveness and accessibility were measured using a 10-item satisfaction survey questionnaire. Descriptive analysis was used to assess the distribution of each of three components of subjective satisfaction. Analysis of covariance(ANCOVA) was used to examine the association of each of the three components with socioeconomic variables. Results : Comprehensiveness and general satisfaction were low among older people with a high socioeconomic status. Accessibility was evaluated as low among older people of low socioeconomic status, those living in rural areas and those who were medical aid beneficiaries. Conclusions : Urgent interventions should be considered in order to improve accessibility to medical care for elders of low socioeconomic status and those living in rural communities. Given the rapid aging of the population, we need to develop a monitoring system to improve the quality of geriatric care.
김화준,한수영,Kim Hwa-jun,Han Su-young 한국수학사학회 2005 Journal for history of mathematics Vol.18 No.1
스위스 수학자 오일러에 의하여 해결된 쾨니히스베르크의 다리문제에 대한 역사적 배경과 그 응용으로서 그래프의 컴퓨터 표현에 대하여 간단한 예를 통하여 행렬로 표현하였고 오일러 회로에 의한 행렬 표현을 연구해 보았다. This paper is aimed at studying a historical background of graph theory and we deal with the computer representation of graph through a simple example. Graph is represented by adjacency matrix, edge table, adjacency lists and we study the matrix representation by Euler circuit. The effect of the matrix representation by Euler circuit economize the storage capacity of computer. The economy of a storage capacity has meaning on a mobile system.