• Journal of Applied and Pure Mathematics
• /
• 제5권1_2호
• /
• pp.109-119
• /
• 2023

As for the practical purpose of mathematics education, the extrinsic purpose is emphasized. As an alternative to this, a discussion on mathematics education as a character education is urgently requested. It can be said that the main purpose of learning mathematics is to have a form of life that values the form and structure of mathematics. The epistemological basis of such an idea can be seen as based on Kant's philosophy. Kant's epistemology can provide one answer to the question of the intrinsic purpose of mathematics education.

• Journal of applied mathematics & informatics
• /
• 제7권2호
• /
• pp.575-583
• /
• 2000

In this work, we solve the Fredholm-Volterra integral equation(FVIE) when the kernel takes a potential function form under given conditions. we represent this kernel in the Weber-sonin integral form.

• Journal of applied mathematics & informatics
• /
• 제12권1_2호
• /
• pp.323-334
• /
• 2003

We review the developmental history of the moment matrix of matrix quadratic form. This paper also investigates, the moment matrix of (non-central) Wishart distribution, which is multi-version of X$^2$ distribution.

• Journal of applied mathematics & informatics
• /
• 제9권1호
• /
• pp.277-288
• /
• 2002

Influence of form errors of a chamber filled with a liquid on the movement and stability of a ball, rotating in the chamber, is studied. Two cases of the influence of the chamber form errors on the forces, acting on the ball, are defined. The first case describes the situation when limitations on the rotor shift are not imposed and disturbances of the chamber form are set by spherical harmonics not above the first order. In the second case disturbance of a chamber form is arbitrary and the rotor is supposed small. A rising here diflective moment tends to direct the angular speed vector along the small semiaxis of the ellipsoid, i.e., a stable position of the rotor appears.

• 호남수학학술지
• /
• 제20권1호
• /
• pp.161-165
• /
• 1998

• Journal of applied mathematics & informatics
• /
• 제39권5_6호
• /
• pp.677-688
• /
• 2021

In the modern financial market, the scale of financial instrument transactions in the over-the-counter (OTC) market are increasing. However, in this market, there exists a counterparty credit risk. Herein, we obtain a closed-form solution of power option with credit risks, using the double Mellin transforms. We also use a numerical method to compare the differentiations of option price between the closed-form solution and Monte-Carlo simulation. The result shows that the closed-form solution is precise. In addition, the option's price is sensitive to the exponent of the maturity stock price.

• Journal of applied mathematics & informatics
• /
• 제4권1호
• /
• pp.63-82
• /
• 1997

In experimental situations where n two or three level fac-tors are involoved and n observations are taken then the D-optimal first order saturated design is an $n{\times}n$ matrix with elements $\pm$1 or 0, $\pm$1, with the maximum determinant. Cononical forms are useful for the specification of the non-isomorphic D-optimal designs. In this paper we study canonical forms such as the Smith normal form the first sec-ond and the jordan canonical form of D-optimal designs. Numerical algorithms for the computation of these forms are described and some numerical examples are also given.

• Kyungpook Mathematical Journal
• /
• 제62권4호
• /
• pp.715-728
• /
• 2022

The aim of this article is to study the h-almost Ricci solitons and h-almost gradient Ricci solitons on generalized Sasakian-space-forms. First, we consider h-almost Ricci soliton with the potential vector field V as a contact vector field on generalized Sasakian-space-form of dimension greater than three. Next, we study h-almost gradient Ricci solitons on a three-dimensional quasi-Sasakian generalized Sasakian-space-form. In both the cases, several interesting results are obtained.

• 한국수학교육학회지시리즈E:수학교육논문집
• /
• 제24권2호
• /
• pp.283-300
• /
• 2010

고등학생들이 부정형의 한 형태인 $0^0$을 올바로 이해하는데 어려움을 느낀다는 것은 오래전부터 알려져 왔으며, 비교적 최근까지도 $0^0$의 처리 방법에 대하여 수학자들 사이에 약간의 논란이 있었다. 고등학교 교육과정에는 $0^0$에 대한 명확한 처리방법이 명시되지 않고 있으므로 어떤 학생들은 그것의 값이 무엇인지 질문을 하기도 한다. 본 연구에서는 $0^0$과 관련된 자료들을 토대로 역사적 수학적 분석을 통하여 $0^0$은 부정형임을 명확히 하고, 현직 교사와 최근에 고등학교를 졸업한 학생들을 대상으로 실시한 간단한 설문조사를 통하여 고등학교 교육현장의 $0^0$에 대한 교수 실태를 파악한다. 그리고 교사와 예비교사를 위하여 $0^0$에 대한 효과적인 지도 방안에 대하여 논의한다.

• Journal of applied mathematics & informatics
• /
• 제19권1_2호
• /
• pp.457-466
• /
• 2005

In this paper we present the concepts of fuzzy submachine, which are the generalized form of crisp submachine of a fuzzy finite state machine. Also we extend the concepts of system of generators to fuzzified form.