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이규봉 배재대학교 자연과학연구소 2005 自然科學論文集 Vol.16 No.1
행렬의 고유치를 계산하는 방법을 가르칠 때 역거듭제곱방법을 소개한다. 이 방법의 알고리즘을 이론적인 면에서 이해하기 쉬운 알고리즘과 계산적인 면에서 효과적인 알고리즘을 비교한다. When teaching on the computing of eigenvalues of a matrix, we introduced the inverse power method. We compared the algorithm which is good for theoretical point of view with that is useful for computational point of view.
스토리메이킹 교양수학 수업 후 학생의 의식변화에 관하여
이규봉 배재대학교 자연과학연구소 2016 自然科學論文集 Vol.27 No.1
Provide the changing of the students’thinking after taking storymaking class as liberal arts Mathematics from the year of 2014 to 2016. 2014년부터 2016년까지 수학의 결과를 사회에 응용한 스토리메이킹 교양수학 강의를 통해 학생들의 의식 변화에 대한 결과를 제시한다.
2016년 컴퓨터수학과 신입생의 수학 능력 현황에 관하여
이규봉 배재대학교 자연과학연구소 2016 自然科學論文集 Vol.27 No.1
2016년 배재대학교 컴퓨터수학과 신입생의 수학 실력 현황을 입학 당시와 기초수학1을 수강한 후 1학기 말에 파악한 자료를 바탕으로 비교 분석하여 대책을 제시한다. Provide the present mathematical ability of freshmen of Applied Mathematics Department in the year of 2016 on the bases of their mathematical abilities comparing on the early test and the final one of the first semester after taking Precalculus1.
이규봉 한국학교수학회 2001 韓國學校數學會論文集 Vol.4 No.1
This paper gives an example of experimental mathematics education which leads students to understand logically the problem of Fractal and Infinity.
Empirical Analysis of Learning Effectiveness in u-Learning Environment with Digital Textbook
( Bong Gyou Lee ),( Seong Jin Kim ),( Keon Chul Park ),( Su Jin Kim ),( Eui Suk Jeong ) 한국인터넷정보학회 2012 KSII Transactions on Internet and Information Syst Vol.6 No.3
The purpose of this study is to present innovative approaches for u-Learning environment in public education with Digital Textbook. The Korean Government has been making efforts to introduce the u-Learning environment to maximize the learning effect in public education with Digital Textbook. However, there are only a few studies that analyze the effectiveness of u-Learning environment and Digital Textbook. This paper reviews the current status of u-Learning environment in Korea and analyzes the satisfaction level with Digital Textbooks. The first survey regarding technological factors was collected from 197 students. The results of the survey revealed that the level of satisfaction has declined over a year. The weakness of the study is that the sample frame is insufficient and survey questions did not reflect diverse factors of learning effectiveness. To supplement these shortcomings, 2,226 students were asked about learning performance. The results of the survey showed that the satisfaction with Digital Textbooks is much higher than that of paper textbooks. However, this paper is limited to u-Learning environments in public education. Therefore, research needs to be improved by reflecting both public and private sectors of education in following studies. This paper suggests useful guidelines to educators in improving their u-Learning environment.
A MIXED METHOD OF SUBSPACE ITERATION FOR DIRICHLET EIGENVALUE PROBLEMS
Lee, Gyou-Bong,Ha, Sung-Nam,Hong, Bum-Il 한국전산응용수학회 1997 Journal of applied mathematics & informatics Vol.4 No.1
A full multigrid scheme was used in computing some eigenvalues of the Laplace eigenvalues problem with the Dirichlet bound-ary condition. We get a system of algebraic equations with an aid of finite difference method and apply subspace iteration method to the system to compute first some eigenvalues. The result shows that this is very effective in calculating some eigenvalues of this problem.
Lee, Gyou-Bong,Lee, Ok-Ran 한국전산응용수학회 2002 The Korean journal of computational & applied math Vol.9 No.1
We apply an Intermediate Problem Method to compute eigenvalues of an anharmonic oscillator. The method produces lower bounds to the eigenvalues while the Rayleigh-Ritz method yields upper bounds. We show the convergence rate of the Intermediate Problem Method is the same as the rate of the Rayleigh-Ritz method.