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M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika
Published by Universitas Wiralodra
ISSN : 25025872     EISSN : 26223627     DOI : -
Core Subject : Education,
Education Mathematics
Mathline is published by Mathematics Education Department of Wiralodra University. Mathline publishes the research issues on mathematics, mathematics education, and could be experiment, research and development, or classroom action research. This Journal are bi-annual publication, on February and August.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 452 Documents
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Application Of Truncated Spline Nonparametric Regression In Modeling Traffic Accident Rate In Palopo City: Penerapan Regresi Nonparametrik Spline Truncated Dalam Memodelkan Angka Kecelakaan Lalu Lintas Di Kota Palopo Syamsualam, Nurjaya; Hidayat, Rahmat
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.275

Abstract

Kecelakaan lalu lintas merupakan suatu peristiwa yang terjadi di jalan raya sehingga dapat menimbulkan berbagai kerugian bagi pelaku maupun kerusakan terhadap benda. Kecelakaan lalu lintas dapat disebabkan oleh faktor yang diduga berpengaruh. Penelitian ini bertujuan untuk memperoleh estimasi parameter model regresi nonparametrik Spline truncated, memperoleh metode untuk mencari titik knot optimal, dan memodelkan angka kecelakaan lalu lintas di Kota Palopo menggunakan regresi nonparametrik Spline truncated. Pada penelitian ini, variabel yang diduga adalah kepadatan penduduk (x). Metode yang digunakan dalam penelitian ini adalah regresi nonparametrik Spline truncated. Regresi nonparametrik Spline truncated merupakan salah satu model dengan pendekatan nonparametrik yang merupakan modifikasi dari fungsi polinomial tersegmen. Hasil dari penelitian ini diperoleh estimasi parameter model regresi nonparametrik Spline truncated menggunakan metode kuadrat terkecil. Pemilihan titik knot pada model Spline mampu menginterprestasikan pola data (kurva regresi) sehingga diperoleh model regresi terbaik berdasarkan pemilihan titik knot optimal dengan nilai GCV minimun. Model regresi Spline truncated yang memiliki nilai GCV terendah yaitu 136,7351. Berdasarkan hasil analisis tersebut dapat disimpulkan variabel kepadatan penduduk mempengaruhi angka kecelakaan lalu lintas di Kota Palopo.
Comparison Of Euler Method And Runge Kutta Method In Estimation Of The Number Of Population In Aceh Province: Perbandingan Metode Euler Dan Metode Runge Kutta Dalam Estimasi Jumlah Penduduk Di Provinsi Aceh Tarisma, Tantri; Saumi, Fazrina; Wardani, Suci; Zahara, Zahara; Kristina, Desi
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.279

Abstract

Residents are people who are in an area and are controlled by applicable rules and interact with each other Residents are people who are in an area and are bound by applicable rules and interact with each other continuously or continuously. If population growth increases, this will cause many problems, including: poverty levels, unemployment, school dropout rates and increasing crime rates in each region. In anticipating the problem of increasing the population of Aceh Province, information about the population is needed. Therefore, this study will discuss several applications of mathematical methods in estimating the population of Aceh Province in the coming year using the Euler method and the Runge Kutta method of order 4. The results of the estimation of the population of Aceh Province using the Runge Kutta method are 5.030.503 inhabitants in 2021, 5.076.307 in 2022 and 5.122.486 in 2023 The estimation results using the Euler method are 5.026.162 in 2021, 5.071.745 in 2022 and 5.117.700 in 2022. The conclusion in this study is that estimation using the Runge Kutta method is a method that is better applied than the method Euler on the problem of estimating the population of Aceh Province. This is because the error value of the Runge Kutta method is smaller than the Euler method with an error value of about 0.04%. Key words : Runge Kutta, Euler, Population.
Application of Exponential Smoothing Method on Forecasting The Results of Bandeng Pounds in Cot Muda Itam Village-Peureulak District-Aceh Timur: Penerapan Metode Exponential Smoothing pada Peramalan Hasil Tambak Ikan Bandeng di Desa Cot Muda Itam-Kecamatan Peureulak-Aceh Timur Olivia, Mirda; Erviana, Jumarnis May; Saumi , Fazrina; Elviana, Elviana; Marlinda, Marlinda
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.281

Abstract

Pould cultivation until now is counted as a bussines that can provide extraordinary income. Cot Muda Itam Village is one of the villages in East Aceh Regency that cultivates ponds by producing milkfish. Milkfish yields also vary, sometimes increasing and not infrequently experience a dcrease in yields.. Therefore, it is necessary to have a study that can predict the production of milkfish un the next harvest. Forecasting is a process of predicting the values of variables based on known values of previously related variables. Based on the results of data processing and data analysis using the linear exponential smoothing method of one brown parameter with  and MSE value of 16407,241875 it is obtained that the forecast results in the 11th and 12th months of the harvest decrease, namely 587 kg and 580 kg.  
Application of Linear Regression to The Factors Affecting The Rice Production Level in Langsa City: Penerapan Regresi Linier Terhadap Faktor–Faktor yang Mempengaruhi Tingkat Produksi Padi di Kota Langsa Sari, Riska Novita; Saumi, Fazrina; Olivia, Miranda; Maidita, Rizka; Salsabilah, Anastasya; Agustina, Indrianti
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.282

Abstract

Rice is a food that produces rice which is the staple food for most of the Indonesian population. Indonesian people think that rice is a staple food that cannot be replaced, this causes the high demand for rice consumption in Indonesia. The Indonesian people, who are still very dependent on rice as a staple food, have forced the government to take steps to control the availability of rice properly. This study aims to determine the factors that influence rice production and to find out how much influence the relationship or correlation between factors has on production results. The method used in this study is multiple linear regression, this analysis is used to determine the relationship between the dependent variable and the independent variable whether each variable is positively or negatively related and see what percentage of the influence of the independent variable on the dependent variable, namely harvested area, rainfall and productivity. on rice production in Langsa City. Based on the results of the study, the results of the analysis of a strong correlation between rice production (y) and harvested area (x2) were 0.937 and results of the multiple linear test obtained a value of with a significant level of, it can be concluded that is rejected and is accepted. 
Defragmentation of The False-Pseudo Thinking Process of Students in Solving Mathematical Connection Ability Problems: Defragmentasi Proses Berpikir Pseudo Salah Peserta Didik Dalam Menyelesaikan Soal Kemampuan Koneksi Matematis Lesmana, Belda Nurmultiefa; Supratman, Supratman; Rahayu, Diar Veni
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.284

Abstract

The purpose of this research is to describe the defragmentation of pseudo-thinking processes carried out by students in problem solving of mathematical connection abilities. This research uses a descriptive qualitative method. The data collection techniques used mathematical connection ability test with questions on the Pythagorean Theorem which contained indicators of mathematical connecetions (connections between mathematical topics, connections with other disciplines, and connections with everyday life) and unstructured interviews. The research subject were taken from students of class VIII of SMPN 5 Tasikmalaya who experienced a pseudo thingking process that focused on false-pseudo and could take responsibility for the results of their work. The results showed that defragmentation was carried out on students who experienced false-pseudo through several stages, namely scanning, check some errors, repairing (disequilibration, conflict cognitive, and scaffolding), give a chance to re-work, and certain the result. Based on the defragmentation carried out, students who experience false-pseudo can reflect on their mistakes and restructure the thought process that was originally false into correct and clear thought process.
Analysis of Answering Process on Problem Solving Ability Through Problem-Based Learning Model: Analisis Proses Jawaban Kemampuan Pemecahan Masalah Melalui Model Problem-Based Learning Sari, Nilam; Saragih, Sahat; Napitupulu, E Elvis; Rakiyah, Siti; Suciawati, Hasni; Anim, Anim
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.287

Abstract

This study was made to find out how the process of completing student answers incompleting the problem-solving ability test through a problem-based learning model.The process of completing the answers to the mathematical problem solving ability test can be viewed from 2 (two) aspects, namely:1) the procedure used in solving the problem and, 2)the mistakes made by students in answering the questions/the problems.The population of this study were all third semester students majoring in informatics management at all STMIK in Medan and samples were taken at random and two STMIKs were selected with accreditations B and C. The type of this research was a qualitative descriptive analysis with the instrument was the test of problem solving abilities. This study gave the result that the problem solving process carried out by students through problem-based learning was better than conventional learning, the firs result is the number of students doing the test who obtained a "good" assessment category in the experimental class was more than the control class (Nexperiment = 67 > Ncontrol = 17 ). The second result is the test given as a whole it could be done well by students in accordance with the existing questions/problems, although some still forgot to check the answers. In addition, at every meeting there were group members who werenot active in discussing. They always busy with other things, it caused friends in one group to be disturbed.The results of this study can be used as a reference for teachers who want to implement problem-based learning.
Implementation of Mathematics Learning With A STEM Approach (Science, Technology, Engineering, And Mathematics) at MTs Muhammadiyah Wuring: Implementasi Pembelajaran Matematika dengan Pendekatan STEM (Science, Technologi, Engineering, And Mathematics) di Mts Muhammadiyah Wuring Rahmawati, Tanti Diyah; Ndori, Vinsensius Herianto; Murniati, Murniati
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.291

Abstract

Penelitian ini dilatarbelakangi oleh tuntutan perkembangan dan kemajuan teknologi di era revolusi 4.0 yang mempengaruhi pergeseran segala aktivitas didalam kehidupan termasuk dalam dunia pendidikan. Salah satu pendekatan pembelajaran menggunakan teknologi yakni pendekatan STEM. Pendekatan STEM merupakan suatu pendekatan yang memuat empat komponen bidang ilmu pengetahuan dalam suatu pembelajaran untuk memecahkan masalah. Penelitian ini bertujuan untuk mengetahui implementasi pembelajaran matematika dengan pendekatan STEM (Science, Technologi, Engineering, And Mathematics) kelas VIII A di MTs Muhammadiyah Wuring. Penelitian ini dilaksanakan di MTs Muhammadiyah Wuring pada semester 2 tahun ajaran 2020/2021. Metode penelitian yang digunakan adalah deskriptif kualitatif. Sumber data diperoleh dari data primer yaitu guru matematika dan siswa. Sedangkan data sekunder diperoleh berupa nilai harian siswa sebelum dilakukan penelitian. Teknik pengumpulan data yang digunakan yakni observasi, tes, dan dokumentasi. Teknik analisis data yang digunakan meliputi tiga tahap yakni reduksi data, triangulasi, dan penarikan kesimpulan. Dari hasil analisis data dapat simpulkan bahwa dengan menggunakan model pembelajaran STEM ketuntasan siswa 100%, dengan nilai rata-rata kelas 89, sehingga model pembelajaran efektif digunakan. Penerapan pembelajaran STEM melibatkan siswa berperan aktif, berkreasi, terampil dalam memecahkan masalah matematika. Dengan model pembelajaran PBL siswa dapat berdiskusi, berkreasi, dalam memecahkan masalah. Selain itu pembelajaran matematika menggunakan model PBL dengan pendekatan STEM juga dapat meningkatkan hasil belajar siswa pada materi SPLDV.
Development of E-Worksheet To Improve Students’ Mathematical Problem Solving Ability: Pengembangan E-LKPD untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Peserta Didik Mawaddah, Majdiyah; Siswanto, Rizki Dwi
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.296

Abstract

The purpose of this research is to produce learning media in the form of practical and effective student worksheets. In addition, this research is also to improve the mathematical problem solving ability of high school students in class X on the material of a three-variable system of linear equations. The method used is the R&D (Research and Development) method with a 4D model (Define, Design, Development and Disseminate). The validity test was carried out by mathematics teachers, mathematics lecturers, and media expert lecturers. The results showed that the media that had been developed based on the results of the validity test in the aspect of display quality was 94.79% in the very good category, the written text was 93.75% in the very good category, and device engineering 94.79% in the very good category. The developed media was tested practically by 10 respondents. The practicality test showed that the display quality was 99.16% in the very good category, the text results were 99.37% in the very good category, and the results of the device engineering were 100% in the very good category. The results of the students’ mathematical problem solving ability scores ranged from 75 to 100 from the results of answering e-worksheets, so that the average obtained from each student on mathematical problem-solving abilities was in the “high” category and the average percentage obtained was 94.10% in the “very good” category. Based on the results of data acquisition, it shows that the e-worksheet media on the material of a three-variable linear equation system is feasible to be used as a learning resource and can also improve students’ mathematical problem-solving abilities.
Student Metacognition in Mathematics Problem Solving on Set Materials: Metakognisi Siswa dalam Pemecahan Masalah Matematika pada Materi Himpunan Shodikin, Ali; Nurkumala, Silvia Eka; Sumarno, Wahyu Kyestiati
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2022): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v7i2.297

Abstract

Solving mathematical problems is an important thing in mathematics. Solving narrative problems requires complex thinking skills, namely cognitive skills and understanding of using the right methods or tactics. Awareness of students in using their thoughts to plan, control, and assess their cognitive processes and tactics is the meaning of metacognition. This research is a descriptive study that aims to describe the level of students' metacognition in solving mathematical problems, especially a set of material. The population in this study is class VII B of SMPN 2 Sukodadi. To focus on data analysis, 3 students were closed who represented problem-solving abilities, they are high, medium, and low. Based on the data analysis conducted by researchers, the subject who has a high level of mathematical problem-solving ability is included in the "reflective use" metacognition level. The subject who has a moderate level of mathematical problem-solving ability is included in the "strategic use" metacognition level, and a subject who has a low level of problem-solving ability in math problems is classified as “aware use” metacognition level.  From these results, it is recommended for teachers to pay attention to the tendency of students' metacognition levels based on students' problem solving levels, both in planning, learning processes and assessment in order to realize differentiated learning.
Etnomathematics In E-Modules Using A Scientific Learning Approach For JHS Students Faisyal, Intan Dyra Shari; Supriadi, Nanang; Pratiwi, Dona Dinda
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2023): Mathline
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i1.212

Abstract

This study has the aim of obtaining a suitable e-mathematical module, valid and interesting, and effective for use in learning. The research method used is development research or R&D (Research and Development) through the ADDIE approach (Analysis, Design, Development, Implementation, and Evaluation) with the subject of State Junior High School (Junior High School) students in Bandar Lampung City. The instruments used are interviews, questionnaires (questionnaires) in the form of expert validation questionnaires, needs analysis, and product trials to students, as well as documentation. The results of the study based on the validation of material and media experts obtained scores of 3.55 and 3.43 with the criteria "fit for use". The results of the product attractiveness trial to students for large groups and small groups obtained scores of 3.71 and 3.73 on the "very interesting" criteria. The effectiveness test of the N-gain score obtained a result of 0.71 which was classified in the "high" category.

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