https://jurnal.unipasby.ac.id/index.php/buana_matematika/issue/feed Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika 2024-03-31T18:28:14+07:00 Restu Ria Wantika restu@unipasby.ac.id Open Journal Systems <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div class="profile-id"> <div style="font-family: sans-serif; font-size: 12px;">P-ISSN : 20883021 | E-ISSN : 25988077</div> <div class="pin_akred"><a href="https://sinta.kemdikbud.go.id/journals/detail?id=5496"><span class="sinta_akred"><strong style="color: #50acc7;">S5</strong> Accredited</span></a> <a href="https://garuda.kemdikbud.go.id/journal/view/13051"><span class="garuda_akred">Garuda <strong style="color: grey; text-decoration: none;">Indexed</strong></span></a> <a href="https://search.crossref.org/?q=buana+matematika&amp;from_ui=yes"><span class="crossref_akred">Cross<strong style="color: #ffc72c;">ref</strong></span></a></div> <p style="text-align: justify;">Buana Mathematika: Jurnal Ilmiah Matematika dan Pendidikan Matematika is an <strong>open access journal</strong> to support global exchange of the knowledge related to research results. The journal itself is published <strong>twice in one year in June and December</strong>.</p> <p style="text-align: justify;">This journal facilitates research themes including: (1) Some fields in Mathematics such as algebraic, analysis, mathematical modeling, computational mathematics, applied mathematics, graphs theories, and other pure mathematics, (2) Mathematics Learning Design, (3) Development of Teaching Materials or Learning Models, (4) Mathematics Learning Media, (5) Mathematics Teaching Aids, (6) Analysis of Student Difficulties in Learning, (7) Evaluation of Mathematics Learning, (8) Mathematics Education Curriculum, (9) Mathematical Learning Theory, (10) History and Philosophy of Mathematics, (11) Analysis of Application of Models/Approaches/Methods/Learning Strategies, (12) IT-based learning media, (13) Classroom Action Research, (14) Creativity and Innovation in Mathematics Learning, (15) Lesson Study Mathematics Learning.</p> <p style="text-align: justify;">Based on the Decree of the Director General of Research and Development Strengthening of the Ministry of Research, Technology and Higher Education Republic of Indonesia Number 30 / E / KPT / 2019 Regarding the Ranking of Accreditation for Scientific Journal Period VI in 2019, <strong>Buana Matematika: Jurnal Ilmiah Matematika dan Pendidikan Matematika</strong> hold <strong>fifth rank of Indonesian Journal Grading System</strong> starting issue of <strong>Volume 7 Number 2 of 2017 up to Volume 12 Number 2 of 2022</strong>.</p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <p><code></code></p> </div> </div> <p><code></code></p> </div> </div> <p><code></code></p> </div> <p><code></code></p> </div> <p><code></code></p> </div> <p><code></code></p> </div> <p><code></code></p> </div> <p><code></code></p> </div> <p><code></code></p> https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/6710 Analisis Kemampuan Pemecahan Masalah Matematika Mahasiswa Berdasarkan Gender 2024-03-31T18:28:10+07:00 Baiq Rika Ayu Febrilia rika.febrilia@unram.ac.id Pije Sanjaya pijesanjaya21@gmail.com Dwi Utami Setyawati utamiwi.25@gmail.com Eliska Juliangkary eliska01juliangkary@gmail.com <div> <p>This study aims to analyze students' math problem-solving skills based on gender. The subjects involved were 6 students of the Mathematics Education Department, where three of them were female and the rest were male. The instrument used is a description question on the topic of Three Variable Linear Equation System that adapted through PISA standard questions. The analytical tool used is the problem-solving stage introduced by Polya. The results showed that at the stage of understanding the problem, male students were more able to understand the questions and some of them were able to rewrite them based on their own words. At the stage of making a solution plan, all male subjects could make a mathematical model of the given problem as well as for two female subjects, while there was one female subject who was unable to make a mathematical model. At the stage of carrying out the plan, the three male subjects were again able to complete the plan properly, while the female subject still had difficulty solving the problems given. At the review stage, all male subjects had re-examined, while all female subjects did not reach this stage.</p> </div> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/7072 Analisis Pola Harga Saham dengan Modifikasi Metode Eksponen Hurst dan Box Counting 2024-03-31T18:28:03+07:00 Kosala Dwidja Purnomo Kosala kosala.fmipa@unej.ac.id Irma Dwi Anggraeni irmadwi853@gmail.com Abduh Riski Abduh Riski riski.fmipa@unej.ac.id <p>A stock chart is a graphical representation of a stock's past performance. The dynamic pattern of stock prices is important to know because an investor wants to invest, expecting high returns with low risk. The dynamic pattern of stock prices can be known by fractal dimension analysis because the stock price graph is self-affine, which is one of the properties of fractal objects. In this study, a modification of the Hurst exponent method and box counting are used to analyze the fractal dimension. The calculated results are classified into three types, namely random, persistent and anti-persistent. Two data intervals are observed, namely January 2018-December 2021 stock prices (48 data) and January 2018-June 2022 stock prices (54 data). The resulting Hurst exponents of the two intervals are 0.043 and 0.003. Based on the resulting Hurst exponent value, the data is anti-persistent because the value 0&lt;H&lt;0.5. Then, the fractal dimension value obtained by applying the box-counting method is 1.547 and 1.562, meaning that Bank Rakyat Indonesia's price pattern is anti-persistent. The meaning of anti-persistent is that in certain months the stock has a high price and in the following months the stock has a low price to be traded.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/7232 Faktor-Faktor yang Mempengaruhi Kemiskinan di Provinsi DI Yogyakarta Tahun 2019-2021 Menggunakan Regresi Data Panel 2024-03-31T18:27:57+07:00 Bima Syahrul Tarwoco 19611074@students.uii.ac.id Nur Faizin 19611077@students.uii.ac.id Yesi Indriani 19611088@students.uii.ac.id Edy Widodo edywidodo@uii.ac.id <p>A country must often experience problems both in the economic, social, and so on. Economic problems can cause poverty. Poverty is a condition in which a person cannot meet the needs for clothing, shelter, and food. Factors causing the level of poverty, namely the economy, unemployment, and so forth. With this problem of poverty, the researcher wants to examine what factors influence the level of poverty in the DI Yogyakarta Province by using variables, namely per capita expenditure, unemployment, and HDI. The method used is panel data regression and the best model that has been obtained is the fixed effect model with individual effects or cross-section effects. From the results of the panel regression analysis, it states that the results of the estimation of the fixed effect model with the cross-section effect obtained a coefficient of determination of 0.93237 which explains that there is a negative relationship between the per capita expenditure variable and a positive relationship to the HDI variable on the poverty rate in the DI Yogyakarta Province in 2019-2021 of 93.24%. While the remaining 6.76% is influenced by variables that are not in the model.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/6509 Penerapan Teori Graf pada Pengaturan Lampu Lalu Lintas di Perempatan Alun Alun Kota Bojonegoro 2024-03-31T18:28:14+07:00 Alamul Yaqin alamulyaqin001@gmail.com Denik Fitri Setiyowati denikfitri12@gmail.com Diah Yuliandari diahyulian07@gmail.com Fajar Setia Ningsih fajarsetia811@gmail.com Lailatul Fitriyah lailatulfitriyah1611@gmail.com Mira Aviva Anisa Putri miraaputrii@gmail.com Retno Dwi Oktaviani retno10ngraho@gmial.com Ria Fajrin Aguzzawa riafajrinaguzzawa22@gmail.com Ruliyani Ruliyani yani06393@gmail.com M. Ivan Ariful Fathoni fathoni@unugiri.ac.id <p>At an crossroads, the traffic lights are needed so that vehicles can pass safely and comfortably. The traffic lights are set as much as possible so that the vehicle going through can run with tertatur. There are a lot of solutions to orchestrate a traffic light at the crossroads. On this paper, examples of intersection to be regulated are the North Ring Road intersection using a graph theory. The Graph that is used is a technique of graphene dye with nodes. The nodes used symbolizes the vehicle lane.</p> <p>The method used in this study is the observation method which is a method of collecting data by placing or direct observation of the same research object to be selected. The data in this study were obtained by directly observing the amount of time at the intersection of the four Bojonegoro squares. The results of this study resulted in the effectiveness of the time intervals in the morning, afternoon and evening when the duration of the green light was reduced by 5%. And the duration of the red light was reduced by 2%.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/7261 Implementasi Pewarnaan Graf Menggunakan Metode Algoritma Welch Powell pada Penjadwalan Seminar Proposal Skripsi di Program Studi Matematika Universitas Negeri Medan 2024-03-31T18:27:50+07:00 Nurul Maulida Surbakti nurulmaulida@unimed.ac.id <p>The process of arranging thesis proposal seminar schedules in the Department of Mathematics, Universitas Negeri Medan often encounters difficulties due to the large number of students who will hold seminars at the same time. So far, the scheduling process has been done manually, resulting in the schedule of thesis supervisors and examiners often conflicting with the schedules of other student seminars. To overcome this problem, the schedule is arranged by applying the concept of vertex coloring on a graph using the Welch Powell Algorithm. In the graph, vertices represent students who will hold seminars, while edges connecting two vertices indicate that the two students have one or two common thesis supervisors. This study uses a literature review method and the results show that graph coloring with the Welch Powell Algorithm can be used to arrange schedules for thesis proposal seminars in the Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/7215 Analisis Kemampuan Literasi Matematika dalam Menyelesaikan Soal Setipe PISA Ditinjau dari Disposisi Matematis Siswa 2024-03-31T18:28:01+07:00 Dimas Satriani dimas7795@gmail.com Yuyu Yuhana yuhana965@gmail.com Etika Khaerunnisa etika_kh@untirta.ac.id <p>The purpose of this study was to determine the description of students' mathematical disposition and mathematical literacy skills in solving PISA-type questions in terms of students' mathematical dispositions. This research is a qualitative descriptive research with qualitative methods. The subjects of this study were 35 students of class 10 MIPA which were then narrowed down to three students representing each level of disposition, namely low, medium and high. The data collection technique used was a mathematical disposition questionnaire, written tests of mathematical literacy, and interviews. The results showed that there were five students who were included in students with low mathematical dispositions, 25 students had moderate mathematical dispositions, and nine students had high mathematical dispositions. Students with low mathematical dispositions reach level 1 on PISA mathematical literacy skills, students with low mathematical dispositions achieve level 4 moderate mathematical literacy abilities, and students with high mathematical dispositions achieve level 6 PISA mathematical literacy abilities.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/7258 Analisis Perbedaan Nilai Setiap Siklus dalam Penelitian Tindakan Kelas Menggunakan Uji Wilcoxon 2024-03-31T18:27:54+07:00 Nanda Arista Rizki nanda.arista@fkip.unmul.ac.id Jefferson R. Watulingas primatika@fkip.unmul.ac.id Asnawati Asnawati asnawatiaswa88560@gmail.com <p>Project Based Learning (PjBL) is a learning model that can improve student learning outcomes. Many students with less interest and learning outcomes in mathematics during the pandemic require educators at SMPN 27 Samarinda to use unconventional learning models such as PjBL. Based on the results of interviews with teaching staff and Class VII students, that the interest and awareness of students to learn Mathematics was still low, the learning models of educators were less varied, and the learning outcomes of some students were still less than the minimum standard of completeness. After conducting Classroom Action Research (CAR), it was found that there was an increase in each cycle and stopped in the third cycle. This study aims to analyze the average difference for each cycle in implementing the PjBL learning model in CAR using the Wilcoxon test. The research subjects were 31 students in class VII-A. This research was conducted in three cycles, with three meetings in each cycle. The data analysis technique used Wilcoxon test to see an increase in learning outcomes each cycle. Descriptive statistics showed an increase in the average value of student learning outcomes in each cycle. Although there was an increase in the third cycle from the previous cycle, there was no significant difference.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika https://jurnal.unipasby.ac.id/index.php/buana_matematika/article/view/7409 Model Pembelajaran Think Pair Share terhadap Perhatian Siswa dan Pemahaman Konsep Matematis 2024-03-31T18:27:46+07:00 Nurul Hidayah nurulhidayah989020@gmail.com Amran Yahya amranyahya53@gmail.com Murtafiah Murtafiah murtafiah@unsulbar.ac.id <p>This study aims todetermine the effect of the learning model Think Pair Share (TPS) to students' attention and determine the effect of the learning model Think Pair Share on students’ understanding of mathematical concepts. The type of research used is a quasi-experimental research design NonEquivalent Control Group Design. The sample in this study was class XI IPA 4 with 36 students as the experimental class and class XI IPA 3 with 37 students as the control class. Sampling using technique Purposive Sampling. The experimental class uses a model think pair share and the control class uses a conventional model. The research result were obtained from questionnaires and test. Data analiysis using the T test (independent sample t test). Based on results of the study, the significance for student’s attention 0.002 and significance for understanding mathematical concepts shows 0.047, so it can be concluded that: (1) there is an influence of the learning model think pair share to student’s attention; (2) there is the influence of the learning model think pair share to student’s understanding of mathematical concepts.</p> 2023-12-31T00:00:00+07:00 Copyright (c) 2023 Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika