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Jurnal Matematika
Published by Universitas Udayana
ISSN : 16931394     EISSN : 26550016     DOI : https://doi.org/10.24843/JMAT
Core Subject : Education,
Mathematics
Jurnal Matematika (p-ISSN: 1693-1394 |e-ISSN: 2655-0016| DOI: 10.24843/JMAT ) is an open access journal which publishes the scientific works for researchers. The articles of this journal are published every six months, that is on June and December.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 9 No 2 (2019)" : 6 Documents clear
Hot Fit Pada Sistem E-Learning Politeknik Negeri Bali Dengan Self Efficacy Sebagai Variabel Mediator Ni Wayan Dewinta Ayuni; Kadek Cahya Dewi; I Ketut Suwintana
Jurnal Matematika Vol 9 No 2 (2019)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2019.v09.i02.p112

Abstract

Human Organization Technology Fit (HOT FIT) is a model used for evauating a system. This HOT FIT model uses three main components in system evaluation, namely the human component, organization, and technology. These components are analyzed for their influence on Net Benefit or the usefulness of the system. The technology component is divided into three latent variables namely system quality, information quality, and service quality, while the organizational component is divided into two latent variables, namely the role of organization and environment. The human component is represented by self efficacy variable. This variable is defined as a mediator variable. Mediator variables are variables that theoretically affect the relationship between independent variables with the dependent variable into an indirect relationship and cannot be observed and measured. The e-learning system of Politeknik Negeri Bali has been implemented since 2012. As a base for e-learning development, an evaluation of the PNB e-learning system is worth doing. The HOT FIT model is considered to be the most appropriate model. The analytical tool used is Structural Equation Modeling using SmartPLS 3.0. The results showed that the SEM model has Q square value of 84.03%. Hypothesis testing shows that the Self Efficacy variable successfully mediates the effect of the Organization variable on the Net Benefit variable.
Pengembangan Media Pembelajaran Program Linier Berbasis Geogebra di STMIK STIKOM INDONESIA Ni Wayan Suardiati Putri; Kadek Suryati
Jurnal Matematika Vol 9 No 2 (2019)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2019.v09.i02.p117

Abstract

The type of research conducted is development research. The aim of this research is to produce a valid and practical learning media GeoGebra based program at STMIK STIKOM Indonesia. The model of development used is Model Plomp consisting of (1) initial investigation stage, (2) design stage, (3) realization stage/construction, (4) test, evaluation and revision, and (5) implementation. The research is only up to a limited trial, not implementation. Validity testing of content, design and media is carried out by experts in their fields. While practicality tests are measured through students' responses to the use of media. The results showed that the learning media were classified as valid and practical with an average value of validity test on content, design, and media respectively were 3.78, 3.43, and 3.57. As for the value of practicality tests conducted by students is 85.86%.
Radikal Prima Bi-Ideal Dalam Semiring Ternari Ratna Sari Widiastuti
Jurnal Matematika Vol 9 No 2 (2019)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2019.v09.i02.p113

Abstract

A ternary semiring is an additive commutative semigroup with a ternary multiplication which satisfying some condition. This paper will be discuss about prime bi-ideal radikal in semiring ternary with definition and some theorem. If B is a bi-ideal in semiring ternary T, then radical prime bi-ideal of B in semiring ternary T is an intersection of all prime bi-ideal in semiring ternary T which containing B.
Efektivitas Pembelajaran Kooperatif Dengan Permainan Dalam Matematika Ni Ketut Erawati; Ni Made Suwarnisi
Jurnal Matematika Vol 9 No 2 (2019)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2019.v09.i02.p114

Abstract

The purpose of this study was to determine the effectiveness of the application of the STAD cooperative learning model combined with ice breaking in mathematics subjects on motivation and learning outcomes of student. This research is a quasi-experimental study using the non equivalent design group design. This design uses two sample groups selected with random sampling and randomized classes are already available. This research was conducted at SMK N 4 Denpasar with a population of 10th grade students consisting of 10 classes, then two classes were selected as samples.Data collection using questionnaires and essay test. Data analysis uses t-test for the first hypothesis and the second hypothesis while the third hypothesis analysis uses MANOVA. The results of the research show that the motivation and learning outcomes between the experimental group and the comparison group differed significantly, where better results were obtained in the experimental group ie the group that applied STAD cooperative learning with ice breaking. The results of this study indicate that cooperative learning innovations especially the STAD type combined with ice breaking as a game or pause in mathematics learning provide effective results in achieving student learning outcomes and motivation at a better level.
Kontrol Optimal Upaya Pengobatan Penyakit Campak Menggunakan Model Endemi SIR Ida Ayu Putu Ari Utari
Jurnal Matematika Vol 9 No 2 (2019)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2019.v09.i02.p115

Abstract

Measles is an acute highly contagious disease caused by Paramyxovirus. Measles is considered as a dangerous disease because it cause complications, brain and other organs damage, lifelong disability, paralysis and even death. In the previous studies, it was known that the spread of measles highly dependent on number of infected individuals so it is necessary to control measles through treatment. In this paper, we study about the application of the optimal control theory on the system of differential equations of the SIR endemic model. Determination of the optimal control is obtained through the application of the Pontryagin minimum principle. The main target in this paper is to find a unique optimal control where the optimal control can be described as an efficiency rate of treatment in individuals infected with measles to decrease the number of infected individuals.
Penanggulangan Kasus DPT Ganda Dengan Menggunakan Algoritme Quicksort Dan Priority Queue I Gusti Ngurah Lanang Wijayakusuma
Jurnal Matematika Vol 9 No 2 (2019)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2019.v09.i02.p116

Abstract

Daftar Pemilih Tetap (DPT) ganda merupakan masalah klasik yang terus-menerus terjadi saat Negara Indonesia akan menyelenggarakan pemilihan umum, baik ditingkat kabupaten, propinsi, maupun nasional. Keadaan ini akan sangat berbahaya bagi kemajuan demokrasi di Indonesia karena adanya DPT ganda ini dapat mendeligitimasi hasil pemilihan umum yang telah dilaksanakan. Metode yang digunakan untuk mengembangkan filter DPT ganda adalah gabungan dari algoritme longest common suffix (LCS) sebagai mesin filter DPT, algoritme quicksort dan priority queue sebagai struktur data untuk menyimpan data DPT dan metode penyajian data DPT setelah proses filter. Data yang digunakan adalah data DPT provinsi Bali tahun 2019 yang didapatkan dari KPUD seluruh kabupaten di Bali. Prototipe awal filter DPT mampu untuk mengeliminasi data-data pemilih yang dicurigai ganda dengan tingkat kemiripan antar data adalah 95%. Tetapi masih dapat beberapa kesalahan dalam proses filter ini yang disebabkan oleh tidak lengkapnya data yaitu enam angka terakhir dari NIK diganti dengan tanda *, serta tahun lahir juga diganti dengan tanda *.

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