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INDONESIA
Jurnal Pendidikan Matematika
Published by Indonesian Journal Publisher
ISSN : -     EISSN : 30309263     DOI : https://doi.org/10.47134/ppm
Core Subject : Education,
Education Mathematics Other
Jurnal Pendidikan Matematika ISSN 3030-9263 is a scientific journal published by Indonesian Journal Publisher. This journal publishes four issues annually in the months of November, February, May, and August. This journal only accepts original scientific research works (not a review) that have not been published by other media. The focus and scope of Jurnal Pendidikan Matematika include mathematics learning strategies, mathematics learning design, development of mathematics learning tools, analysis in the field of mathematics education, and various things related to mathematics learning from elementary school to college level.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 4 Documents
 1 
Search results for , issue "Vol. 2 No. 3 (2025): May" : 4 Documents clear
G- Contant of Generalied Veissman Grey Manifold Abd, Abdulhadi
Jurnal Pendidikan Matematika Vol. 2 No. 3 (2025): May
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/ppm.v2i3.1636

Abstract

We shall examine the geometrical conharmonic tensor in this essay. The primary aim of this work is to examine certain geometric characteristics of the Veissman Grey manifold characteried by flat circular curvature. The flatness quality of the circular tandem is employed to establish essential conditions for the Veissman Grey manifold, as well as for locally conformal, Kohler, and manifolds, and to identify new relationships among them. Additionally, these manifolds possess classical characteristics that enable them to regain the Hermitical manifold's Riemannian structure. We also investigated the sectional curvature, which furnished us with a wealth of information regarding Riemannian geometry, a field that is essential to differential geometry. In order to keep these harmonic functions consistent, circular transformations played a significant role in Rumanian structural alterations.
Exploring Thinking and Speaking Patterns of Pre-service Teachers in Microteaching: A Cognitive-Reflective Perspective Nurrahmah, Nurrahmah; Rahman, Abdul; Annas, Suwardi
Jurnal Pendidikan Matematika Vol. 2 No. 3 (2025): May
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/ppm.v2i3.1652

Abstract

This study aims to explore patterns of reflective thinking in pre-service teachers’ oral communication during microteaching sessions. It employed a qualitative approach with an exploratory case study design. The participants were sixth-semester students of the Mathematics Education Study Program enrolled in a microteaching course. Data were collected through participant observation, semi-structured interviews, and video documentation of teaching practices, and analyzed using thematic analysis. The findings revealed five key patterns: (1) internal selection of main ideas prior to speaking, (2) a tendency to lose the main ideas during elaboration, (3) the significant influence of content mastery on communication structure, (4) limitations in idea development, and (5) irregularities in oral delivery. These patterns suggest that students have not fully engaged in reflective thinking processes when speaking in front of the class. The study concludes that integrating a cognitive-reflective approach into microteaching training is essential to enhance students' ability to manage ideas and construct systematic, meaningful communication. This research contributes to the development of more reflective and idea-focused learning designs for pre-service teacher education.
Left and Right Derivatives of Summation Functions Limit and Eulerian Constants Induced by They Ahmed T Mohammed
Jurnal Pendidikan Matematika Vol. 2 No. 3 (2025): May
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/ppm.v2i3.1747

Abstract

This study aims to investigate the existence and properties of one-sided derivatives of limit summation functions, particularly in relation to Euler-type constants, within the context of convex and concave real functions. It also seeks to generalize existing theorems related to the differentiability and summability of such functions. The research adopts a theoretical and deductive approach grounded in mathematical analysis. It begins with a comprehensive literature review of foundational concepts such as gamma and zeta functions, convexity, and Euler-Mascheroni constants. Utilizing formal mathematical reasoning, the study develops and proves several new theorems concerning the right and left derivatives of summation functions. The derived results are then validated through a series of examples involving known real functions, including convex and concave functions. The analysis confirms that under specific conditions, one-sided derivatives of summation functions exist and obey certain functional equations. Furthermore, the study demonstrates that sequences related to these derivatives converge under monotonicity assumptions. Applications include generalized inequalities and functional identities related to Euler’s constant, gamma, and zeta functions. Ultimately, this research contributes to the understanding of marginal addition functions and offers new insights into the summability and differentiability of real functions involving Euler-type constants
A Goodness-of-Fit Test for the Geometric Distribution Based on a Ratio of Estimators Derived from Order Statistics Al-Tameemi, Khaleel Ali Hussein
Jurnal Pendidikan Matematika Vol. 2 No. 3 (2025): May
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/ppm.v2i3.1937

Abstract

This paper introduces a novel goodness-of-fit test for the Geometric distribution, designed to address shortcomings in detecting specific, yet common, departures from the null hypothesis, such as over-dispersion and non-constant hazard rates, the core of our methodology is the formulation of a new test statistic, Tₙ, constructed as a ratio of two distinct estimators for a function of the distribution's parameter, the first estimator is the uniformly minimum variance unbiased estimator derived from the sample mean, while the second is a novel estimator derived from the frequency of the first order statistic, we derive the asymptotic normal distribution of the standardized statistic, Zₙ, under the null hypothesis using the multivariate delta method, a comprehensive Monte Carlo simulation study reveals that our proposed test maintains excellent control over the Type I error rate. Crucially, the results demonstrate that our test possesses substantially higher statistical power than the standard Anderson-Darling test against over-dispersed alternatives like the Negative Binomial distribution and alternatives with non-constant hazard rates such as the Discrete Weibull distribution, the test also shows superior performance in detecting data contamination, making it a robust and powerful tool for practical applications.

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