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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 Online Learning in Educational Research 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 Riemann : Research of Mathematics and Mathematics Education 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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Journal : Journal of Mathematics, Computation and Statistics (JMATHCOS)

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Penerapan Regresi Logistik Biner terhadap Faktor-Faktor yang Memengaruhi UMKM dalam Penerapan Digital Marketing : Studi Kasus: Kecamatan Tamalate Kota Makassar Sanusi, Wahidah; Ihsan, Hisyam; Andini, Reski
Journal of Mathematics, Computations and Statistics Vol. 7 No. 1 (2024): Volume 07 Nomor 01 (April 2024)
Publisher : Jurusan Matematika FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jmathcos.v7i1.1947

Abstract

Penelitian ini merupakan penelitian terapan dengan menggunakan regresi logistik biner dalam melihat hubungan antara faktor-faktor yang berpengaruh terhadap penerapan digital marketing pada pelaku UMKM melalui media sosial atau online. Regresi logistik merupakan analisis statistika guna mendeskripsikan hubungan antara variabel respon yang bersifat kategori dengan variabel prediktor berskala kategori atau kontinu. Dalam menentukan model regresi logistik biner yang paling sesuai maka dilakukan analisis regresi logistik biner dengan menggunakan Uji G dan Uji Wald untuk menguji masing-masing koefisien parameter dan memaparkan deskriptifnya. Data diambil pada bulan November 2022 menggunakan bantuan kuesioner dengan jumlah responden 113 pelaku UMKM. Sebanyak 87,61% dari jumlah pelaku UMKM di Kecamatan Tamalate Kota Makassar yang menerapkan digital marketing. Mayoritas pelaku UMKM yang menerapkan digital marketing, memiliki pendidikan terakhir perguruan tinggi, usia 35-50 tahun, penggunaan jaringan internet yang berlangganan Wi-Fi, tidak pernah mengikuti pelatihan teknologi informasi dan memiliki jenis usaha yaitu jasa. Model regresi logistik yang mempunyai nilai statistik G terkecil adalah model yang terbaik yaitu dengan statistik uji G sebesar 65,950. Berdasarkan uji kesignifikan parameter dengan menggunakan uji Wald, bahwa variabel pendidikan memiliki pengaruh signifikan yang lebih besar terhadap penerapan digital marketing pada pelaku UMKM.
Penerapan Metode Iterasi Jacobi dan Gauss-Seidel dalam Menyelesaikan Sistem Persamaan Linear Kompleks Ihsan, Hisyam; Wahyuni, Maya Sari; Waode, Yully Sofyah
Journal of Mathematics, Computations and Statistics Vol. 7 No. 1 (2024): Volume 07 Nomor 01 (April 2024)
Publisher : Jurusan Matematika FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/jmathcos.v7i1.1964

Abstract

Penelitian ini adalah penelitian murni yang bertujuan untuk mengetahui penerapan metode iterasi jacobi dan gauss-seidel dalam menyelesaikan sistem persamaan linear kompleks baik secara manual maupun dengan menggunakan program aplikasi Matlab. Sistem persamaan linear yang digunakan adalah sistem yang memiliki 4 persamaan dengan 4 variabel, 5 persamaan dengan 5 variabel dan 6 persamaan dengan 6 variabel. Galat yang digunakan pada penelitian ini adalah dengan tebakan awal = 0. Setelah mendapatkan hasil iterasi menggunakan kedua metode tersebut maka selanjutnya membandingan antara kedua metode tersebut dengan melihat banyaknya iterasi. Berdasarkan penelitian ini diperoleh hasil bahwa metode iterasi jacobi dan gauss-seidel dapat diterapkan untuk menyelesaikan sistem persamaan linear kompleks serta metode gauss-seidel lebih baik digunakan untuk menyelesaikan sistem persamaan linear kompleks karena mempunyai iterasi yang lebih sedikit.
Peramalan Penjualan dengan Metode Exponential Smoothing (Studi Kasus : Penjualan Bakso Kemasaan/Kiloan Rumah Bakso Bang Ipul) Hisyam Ihsan; Syam, Rahmat; Fahrul Ahmad
Journal of Mathematics, Computations and Statistics Vol. 1 No. 01 (2018): Volume 01 Nomor 01 (April 2018)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

Sales forecasting enables an optimal policy of the company had to make the appropriate decisionand maintain the efficiency of operational activities. Rumah Bakso Bang Ipul is a business that sellspackaged meatballs. Therefore, Rumah Bakso Bang Ipul is in need of sales forecasting to increase profitand avoid the occurrence or lack of supply of packaged meatballs. This research was conducted by themethod of exponential smoothing forecasting. As for parameter or a used predicting sales is a =0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8, and 0.9. single exponential smoothing do a comparison in determining thevalue of a, by searching for the value of such a trial and error to find a that has minimum error with searchmethod using the mean absolute error (MAE) and mean squared error (MSE). So that selected a = 0.1 withMAE value = 6.23 and MSE Value = 58.32. Based on these results, using the method of single exponentialsmoothing and retrieved results forecasting Rumah Bakso Bang Ipul in July 2018 as much as 48 kilograms.
Estimasi Parameter Regresi Linear Pada Kasus Data Outlier Menggunakan Metode Estimasi Method Of Moment Hisyam Ihsan; Wahidah Sanusi; Nurfadillah
Journal of Mathematics, Computations and Statistics Vol. 1 No. 01 (2018): Volume 01 Nomor 01 (April 2018)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

This research examined one of a robust regression method which was Moment of Moment estimation method. Robust regression is a regression method used when there is an outlier on the model. The purpose of this research was to determine the model of robust regression equation using Method of Moment estimation method. Before estimating the parameters by Method of Moment method, firstly the data was identified using the DfFITS to determine whether the data contains an outlier. After the data was analyzed and the outlier was detected, the researcher estimated the parameter using Method of Moment estimation method to get the regression model that was not affected by the outlier data. Based on the analysis result, the equation of regression model of Method of Moment estimation method was Y = -34305 + 5 X1 + 634 X2 with the value of R 2 = 0.923. Thus, the effect of harvested area and productivity on the amount of corn production was 92.3% while the rest was affected by other variables.
Peramalan Pola Curah Hujan Di Kota Makassar Menggunakan Model Rantai Markov Hisyam Ihsan; Wahidah Sanusi; Hasriani
Journal of Mathematics, Computations and Statistics Vol. 2 No. 01 (2019): Volume 02 Nomor 01 (April 2019)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

Markov chain is a method that studies the properties of a variable at the present time based on the nature of the properties in the past in an effort to estimate the properties of the same variable in the future. One of the methods commonly used in predicting the events that will be coming is the method of markov chain discrete. The purpose of this study is: (1) determine the order of the markov chain used in predicting the precipitation; (2) form the model of the markov chain each station in the predicted precipitation is in the City of Makassar; (3) know the results of the prediction of rainfall of each station using a markov chain. By using the method of markov chain discrete then it can be obtained the prediction results of the steady state Station Panaikang in the period of the 10th with a chance to 0.35 months experiencing dry conditions, of 0.11 months experience humid conditions and 0.55 months experience wet conditions. Station Biring Romang in the period of to-15 with a chance of 0.33 months experiencing dry conditions, of 0.08 months experience humid conditions and of 0.59 month is experiencing wet conditions. While on the station of Paotere in the period to 12 with opportunities to 0.39 months experiencing dry conditions, of 0.06 months experiencing the condition moist and 0.55 months experience wet conditions.
Penerapan Logika Matematika Terhadap Permasalahan Sosial Uang Panai’ di Masyarakat Bugis-Makassar Syafruddin Side; Hisyam Ihsan; Abdul Kadir
Journal of Mathematics, Computations and Statistics Vol. 2 No. 01 (2019): Volume 02 Nomor 01 (April 2019)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

This research is categorized as pure research (a study of theory and implementation frommath logic) which is aimed to know more about social problem of Uang Panai’ in south sulawesi. Thisresearch conducted by collection data from respondent and then presented in the statements form wichwould be presented in math logic to determine the true value and conclude it. The result of this researchshowed some social cases of Uang Panai’ included the factors which caused the high cost of Uang Panai’and the effects of it (positive and negative effect).
Aplikasi Pewarnaan Graf dengan Algoritma Recursive Largest First pada Penjadwalan Mata Kuliah Rahmat Syam; Hisyam Ihsan; Asman
Journal of Mathematics, Computations and Statistics Vol. 2 No. 01 (2019): Volume 02 Nomor 01 (April 2019)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

This research discusses the colorization of graph vertex using algorithm of Recursive Largest First (RLF) in scheduling courses in one of the study programs at one of the universities in Makassar. Representation of problems in scheduling courses was done by making it in the shape of the graph assuming subjects as vertex and the presence of the same lecturers teach different courses as a side. The steps in solving a problem that was mapping the lectures data, representing the lectures data as a graph, forming adjacency matrix, coloring the graph vertex using algorithm of RLF, so that the schedule was retrieved. Scheduling of courses using the colorization of graph vertex with algorithm of RLF as well as the help of VBA for Microsoft Excel 2016 at Faculty of Animal Husbandry obtained 102 vertices with 25 colors indicates that it takes 25 of lecture schedules. The number of vertices that were colored with the same color ≤ 6 vertices meaning in every slot needed 6 lecture rooms in maximum. Scheduled courses are guaranteed that no schedule conflicts for each lecturer of courses taught.
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

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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Abstract

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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Abstract

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.
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 Awi, 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 Ikram, Muhammad 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 Sufri, Sufri Mashuri Sukarna Sukarna Sukarna Sukarna, Sukarna Sulleng, Ofra Maylin Suradi Tahmir Suradi Tahmir, Suradi 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