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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Penelitian dan Evaluasi Pendidikan SAINSMAT Journal of Education and Learning (EduLearn) Jurnal Daya Matematis JIPM (Jurnal Ilmiah Pendidikan Matematika) MaPan : Jurnal Matematika dan Pembelajaran BAREKENG: Jurnal Ilmu Matematika dan Terapan Jurnal Ilmiah Ecosystem Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Inferensi Jurnal Pendidikan dan Kebudayaan Jurnal Statistika dan Matematika (Statmat) JAMBURA JOURNAL OF PROBABILITY AND STATISTICS Inteligensi : Jurnal Ilmu Pendidikan LOSARI: Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Wahana Pendidikan Kognitif: Jurnal Riset HOTS Pendidikan Matematika Issues in Mathematics Education (IMED) Amaliah: Jurnal Pengabdian Masyarakat Seminar Nasional Pengabdian Kepada Masyarakat SAINSMAT: Jurnal Ilmiah Ilmu Pengetahuan Alam Indonesian Journal of Fundamental Sciences Vokatek : Jurnal Pengabdian Masyarakat Seminar Nasional Hasil Penelitian LP2M UNM Ininnawa: Jurnal Pengabdian Masyarakat ARRUS Jurnal Pengabdian Kepada Masyarakat Jurnal Kemitraan Responsif untuk Aksi Inovatif dan Pengabdian Masyarakat Kreano, Jurnal Matematika Kreatif Inovatif Jurnal Hasil-Hasil Pengabdian dan Pemberdayaan Masyarakat (JHP2M) Journal of Mathematics, Computation and Statistics (JMATHCOS) International Journal of Education, Vocational and Social Science Issues in Mathematics Educations (IMED)
Hisyam Ihsan
Department Of Mathematics, Faculty Of Mathematics And Natural Sciences, Universitas Negeri Makassar, Indonesia
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Penerapan Analisis Faktor Eksplanatori pada Pengambilan Keputusan Mahasiswa Membeli Produk Online di Kota Makassar Ihsan, Hisyam; Wahyuni, Maya Sari; Kurnadipare, Aleytha Ilahnugrah
Journal of Mathematics, Computations and Statistics Vol. 6 No. 2 (2023): Volume 06 Nomor 02 (Oktober 2023)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract. This research is applied research using exploratory factor analysis in the decision making of students buying online products in Makassar City. The data collection method used was a survey through a questionnaire. There are 8 explanatory variables or factors that are the focus of the research, each consisting of 4 indicators with a total of 240 respondents. Tests were performed using KMO, Bartlett and MSA tests, as well as confirmation of eigenvalues greater than 1 and based on emerging loading factors, 8 factors influence student decision making to buy online products, namely customer review factors, process factors and free shipping costs, influencer marketing factors, price factors, distribution factors, promotion factors, product factors, and shopping terms factors.
Solusi Persamaan Difusi Adveksi Dengan Metode Pemisahan Variabel Ihsan, Hisyam; Rustam, Ilmi Nurfaizah
Journal of Mathematics, Computations and Statistics Vol. 5 No. 2 (2022): Volume 05 Nomor 02 (Oktober 2022)
Publisher : Jurusan Matematika FMIPA UNM

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This research is pure research in the form of a theoretical study of the solution of advection-diffusion using separation of variable method. The purpose of this study was to determine the derivation of the advection-diffusion equation, find a solution to the advection-diffusion equation using the separation of variable method and perform simulations. Solutions of the equation using Matlab Software. The Advection Diffusion Equation is obtained from the derivation by Fick's Law. The solution of the advection-diffusion equation is by applying the separation of variable method, determining boundary conditions, separating variables, obtaining general solutions, and obtaining special solutions. Where the specific solution will be simulated.
Solusi Numerik Model Matematika SIRI Metode Perturbasi Homotopi dalam Penggunaan E-money Sistem E-parking Ihsan, Hisyam; Zaki, Ahmad; Syuaiba, Nur
Journal of Mathematics, Computations and Statistics Vol. 5 No. 1 (2022): Volume 05 Nomor 01 (April 2022)
Publisher : Jurusan Matematika FMIPA UNM

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This research is an applied research about application of the Homotopy Perturbation method to solve numeric solution of SIRI model in the use of E-money in E-parking system. The data that used in this research is a data which obtained by share the questionnaires to 236 respondents randomly at the research location at Panakkukang Mall, Nipah Mall and Ratu Indah Mall . This research starts from setermining general solution with Homotopy Perturbation method, parameter decision, simulation and result analyzis. This research gets movement graphic and resukt analyzis from SIRI model by riil data. The conclutions gets that the Homotopy Perturbation method can be used to analyze the preference of using E-money in E-parking system also can be a consideration by various parties to maximize the role of the use of E-money in various aspects in life, especially in E-parking.
Solusi Persamaan Burgers Inviscid dengan Metode Pemisahan Variabel Ihsan, Hisyam; Side, Syafruddin; Iqbal, Muhammad
Journal of Mathematics, Computations and Statistics Vol. 4 No. 2 (2021): Volume 04 Nomor 02 (Oktober 2021)
Publisher : Jurusan Matematika FMIPA UNM

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This study examines the solution of Burgers Inviscid equation with variable separation method. The purpose of this study was to find out the simplification of the Navier-Stokes equation system into the Burgers Inviscid equation, find a solution to the Burgers Inviscid equation with the variable separation method, and simulate equation solutions using Maple18 software. The Burgers equation emerged as a complicated simplification of the Navier-Stokes equation system. The Burgers equation is a partial differential equation of conservation law and is a hyperbolic problem, i.e. the simplest nonlinear representation of the Navier-Stokes equation. The variable separation method is one of the classic methods that is effectively used in solving partial differential equations assuming to obtain the x and t components. Then there will be substitutions to differential equations, so that in this way there will be a partial differential equation solution.
Optimasi Pendistribusian Air dengan Metode North West Corner dan Metode Modified Distribution di PDAM Wae Manurung Kabupaten Bone Syam, Rahmat; Ihsan, Hisyam; Muktamar, Muhammad Irham
Journal of Mathematics, Computations and Statistics Vol. 4 No. 2 (2021): Volume 04 Nomor 02 (Oktober 2021)
Publisher : Jurusan Matematika FMIPA UNM

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This study discusses the Optimization using types of transportation model that application North West Corner method (NWC) and Modified Distribution Method (MODI) on the stock of water in PDAM Wae Manurung Bone Regency. The water distribution data is formulated with a transportation model, so that in order to obtain the model is generated a balance model with addition dummy variable and export table water distribution, obtained a feasible initial solution by calculation using North West Corner method (NWC). Based on a feasible initial solution obtained the optimum solution using the Modified Distribution Method (MODI). The results of this study indicate that with the application of the Transportation Model there was a optimization occurs in water distribution costs in Bone Regency in June 2019 of 52.22% compared to the calculation results by PDAM Wae Manurung Bone Regency.
Model Generalized Poisson Regression (GPR) dan Penerapannya pada Angka Pengangguran bagi Penduduk Usia Kerja di Provinsi Sulawesi Selatan Ihsan, Hisyam; Sanusi, Wahidah; Ulfadwiyanti, Risna
Journal of Mathematics, Computations and Statistics Vol. 3 No. 2 (2020): Volume 03 Nomor 02 (Oktober 2020)
Publisher : Jurusan Matematika FMIPA UNM

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This study discusses the formation of the Generalized Poisson Regression (GPR) model and its application to the unemployment rate for the working age population in South Sulawesi Province. This type of research is applied research that uses the Poisson regression model, namely Poisson regression and GPR models. The response variabel used is the total unemployment rate at working age which includes the workforce in South Sulawesi Province in 2017. The predictor variables used are the percentage of the workforce on the working age population, the Human Development Index, the percentage of work on the labor force, population density, and economic growth. This research uses the Maximum Likelihood Estimation (MLE) method to estimate parameters and produce a GPR model. The predictor variables which have a significant influence are the Human Development Index and the percentage of work on the labor force.
Pemodelan Penggunaan E-Money Pada E-Parking Kota Makassar Ihsan, Hisyam; Side, Syafruddin; Wulandari, Emi
Journal of Mathematics, Computations and Statistics Vol. 3 No. 2 (2020): Volume 03 Nomor 02 (Oktober 2020)
Publisher : Jurusan Matematika FMIPA UNM

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This study aims to build a model of the use of E-Money in E-Parking type SIRI (Susceptible - Infected - Recovered - Infected) in Makassar City. The added assumption is that people who have used E-Money can may return to cash payments on parking. This model is divided into three classes, namely vulnerable / potentially using parking, cash users, and E-Money users. The data used are primary data obtained by direct survey in the field. The survey was conducted by distributing questionnaires to 100 respondents randomly. The SIRI type mathematical model is used to determine the equilibrium point. The simulation results of the SIRI type model produce a base reproduction number (R0) of 0.021021 which means that the use of cash can decrease which causes the use of E-Money will increase in a certain period of time.
Pemodelan Matematika SEIRS Pada Penyebaran Penyakit Malaria di Kabupaten Mimika Hisyam Ihsan; Syafruddin Side; Musdalifah Pagga
Journal of Mathematics, Computations and Statistics Vol. 4 No. 1 (2021): Volume 04 Nomor 01 (April 2021)
Publisher : Jurusan Matematika FMIPA UNM

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This research aims to build a model of the spread of malaria diseases type SEIRS (Susceptible-Exposed-Infected-Recovered-Susceptible) by adding treatment parameters (treatment) in the Exposed class and the assumption that humans who recover can be vulnerable to malaria again. This model is divided into four classes namely, vulnerable, infected but not yet active, infected, and cured. The data used are data on the number of malaria sufferers from the Mimika District Health Office in 2018. The mathematical model of the type SEIRS is used to determine the equilibrium point. Based on the simulation results of the SEIRS model, the basic reproduction number (R0) of 0.09 indicates that the spread of malaria does not cause others to contract malaria.Keywords: , , ,
Solusi Persamaan Schrodinger dengan Menggunakan Metode Transformasi Diferensial Muhammad Abdy; Hisyam Ihsan; Dhea Ayu Rossyana Dewi
Journal of Mathematics, Computations and Statistics Vol. 4 No. 1 (2021): Volume 04 Nomor 01 (April 2021)
Publisher : Jurusan Matematika FMIPA UNM

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This study discusses the solution of linear partial differential equations, namely Schrodinger equation. The solution of the equation is done by using the differential transformation method which is a semi-numerical-analytical method, it can be used to solve both ordinary differential equations and linear or nonlinear partial differential equations. Differential transformation method is a method uses the theory of rank expansion in the form of transformation to determine solutions. In this study, two initial values in the given Schrodinger equation were used. Solutions with both initial values given are obtained using the Maclaurin series expansion. Then, the solution is simulated using Maple18 software. As a result, the differential transformation method in this study is one method that is able to solve a solution to the Schrodinger equation.
Pemodelan Pencemaran Udara sebagai Solusi Penurunan Kualitas Udara Menggunakan Generalized Space-Time Autoregressive di Kota Makassar Farhan, Muhammad; sanusi, wahidah; Ihsan, Hisyam
Journal of Mathematics, Computations and Statistics Vol. 7 No. 2 (2024): Volume 07 Nomor 02 (Oktober 2024)
Publisher : Jurusan Matematika FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jmathcos.v7i2.4304

Abstract

This study discusses the application of the Generalized Space-Time Autoregressive (GSTAR) model to analyze air pollution in Makassar City, focusing on NO2 and SO2 pollutants from 2017 to 2023. Data were collected from four different sampling locations: transportation, industry, residential, and office areas. This study uses inverse distance weighting and cross-correlation normalization to develop the forecasting model. The analysis results show that the GSTAR (1;0;2) model for NO2 pollutants and GSTAR (1;0;1) for SO2 pollutants are the best models, with residuals meeting the assumptions of white noise and normal distribution. Therefore, this model can be used to predict future air pollution levels.
Co-Authors A. Asman Abdul Halim Abdullah Abdul Kadir Abdul Kadir Abdul Rahman Adnan Ahmad Talib Ahmad Zaki AHMAD ZAKI Ahmad Zaki Ahmad Zaki Ahmad, Asdar Akhyar, Andi Muh. Aldri Frinaldi Aleytha Ilahnugrah Kurnadipare Alimuddin Alimuddin, Fauziyyah Andi Ammar Akrar Andi Asmawati Azis Andini, Reski Annas, Suwardi Asdar Asman ASTRI YUNI HASHARI Aswar Aswar Aswi, Aswi Aswi, Aswi Awi Awi Dassa Awi Dassa, Awi Ayu Alfina Pratiwi Amar Ayu Aqilah, Putri Baharuddin Baharuddin Baso Intang Sappaile Baso Intang Sappaile Bernard Bernard Bernard Bernard Bernard Bernard, Bernard Dhea Ayu Rossyana Dewi Dhea Ayu Rossyana Dewi Emi Wulandari Fadhilah Nur Sa’diyyah Fahrul Ahmad Fahrul Ahmad Fairul, Muh. Fajar Arwadi Fauziyyah Alimuddin Febrianti Khoirunnisa Fitrah Asma Darmawan H. Hasriani Haeriah Hamka Haeriah Hamka Hafid, Nur Aqidah Hamzah Upu Haris Hasriani Hassan, Muhammad Nasiru Ilham Minggi Ilmi Nurfaizah Rustam Irwan Irwan IRWAN IRWAN Ivan, Zhalsa Larasati Ja'faruddin, Ja'faruddin Jafaruddin Ja’faruddin Khadijah Khadijah Khadijah Khaeruddin Khaeruddin Kurnadipare, Aleytha Ilahnugrah Kurniati, Ratnah M. Amirullah Maulidiyah Ananda Nasrul Mohd Salleh Abu Muh. Fairul Muhammad Abdy Muhammad Abdy Muhammad Abdy Muhammad Ammar Naufal Muhammad Farhan Muhammad Iqbal Muhammad Irham Muktamar Muhammad Nur Akbar Syah Muktamar, Muhammad Irham Musdalifa Pagga Musdalifah Pagga N Nurfadillah Nasir, A. Muhajir Nasir, Norma Nasrullah Nensi, Andi Illa Erviani Novia Fridayanti Nur Hikmayanti Syam Nur Syuaiba Nurfadillah Nurfadya, Masyta Nurkahfiah Ridwan Nurwati Djam'an Nurwati Djam’an Nurwijayanti Pagga, Musdalifa Pratiwi, Andi Citra Putri Ananda, Elma Yulia Putri Anugrah Wanti Putri Regina Pratiwi R. Rasmini R. Rasmini R. Ruslin Rahman, Abdul Rahman, Muhammad Fatur Rahmat Syam Ramdhani, Nurfitriah Risna Ulfadwiyanti Rondiyah Rondiyah Rosidah Rosidah Rosidah Ruslan Ruslan Ruslan Ruslan Ruslan Rusli Rustam, Ilmi Nurfaizah Saddang, Muhammad Samsu Alam B Samsuddin, Auliaul Fitrah Sa’diyyah, Fadhilah Nur Selvi Rahmatia Selvi Rahmatia Sharifah Osman St. Zulaiha Nurhajarurahmah Sukarna Sukarna Sukarna Sukarna, Sukarna Sulleng, Ofra Maylin Suradi Tahmir Sutamrin Sutamrin, Sutamrin Suwardi Annas Syafruddin Side Syahid, Nurul Khatimah Syahrullah Asyari, Syahrullah Syamsuddin Mas'ud Syuaiba, Nur Talib, Dr. Ahmad Tampa, Alimuddin Ulfadwiyanti, Risna Usman Mulbar Usman Mulbar Wahidah Sanusi Wahidin Ashari, Nur Wahyuni, Maya Sari Waode, Yully Sofyah Wihda, Wihdatul Ummi Wulandari, Emi Yudhi Alfian Yudhi Alfian Zahrah, Fadliyah Zainal, Zaid