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All Journal ZERO : Jurnal Sains, Matematika dan Terapan Desimal: Jurnal Matematika Jurnal Pendidikan Matematika (JUDIKA EDUCATION) M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Imajiner: Jurnal Matematika dan Pendidikan Matematika MES: Journal of Mathematics Education and Science Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Journal of Computer Networks, Architecture and High Performance Computing Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Jurnal IPTEK Bagi Masyarakat Journal of Mathematics and Scientific Computing With Applications Journal of Information Systems and Technology Research Jurnal Informatika Teknologi dan Sains (Jinteks) Bulletin of Applied Mathematics and Mathematics Education DEVICE : JOURNAL OF INFORMATION SYSTEM, COMPUTER SCIENCE AND INFORMATION TECHNOLOGY Jurnal Garuda Pengabdian Kepada Masyarakat
Rina Filia Sari, Rina Filia
Fakultas Sains dan Teknlogi UIN Sumatera Utara Medan
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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IMPLEMENTASI ALGORITMA PAGERANK PADA MATLAB Aprilia, Rima; Sari, Rina Filia
ZERO : Jurnal Sains, Matematika dan Terapan Vol 1, No 1 (2017)
Publisher : ZERO : Jurnal Sains, Matematika dan Terapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.357 KB)

Abstract

Implementation of the PageRank algorithm to rank web generally only contain static and dynamic pages, with the rapid url users then needed an algorithm for calculating web rankings. In determining the ranking of a web, links incoming and outgoing links are also random surfer model is one decisive factor in determining the ranking of a web. Implementation of PageRank on MATLAB formed on a program in the m-file.
IMPLEMENTATION OF PAGERANK ALGORITHM IN MATLAB Aprilia, Rima; Sari, Rina Filia
ZERO: Jurnal Sains, Matematika dan Terapan Vol 1, No 1 (2017): January - June
Publisher : UIN Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (495.845 KB) | DOI: 10.30829/zero.v1i1.1458

Abstract

Implementation of the PageRank algorithm to rank web generally only contain static and dynamic pages, with the rapid url users then needed an algorithm for calculating web rankings. In determining the ranking of a web, links incoming and outgoing links are also random surfer model is one decisive factor in determining the ranking of a web. Implementation of PageRank on MATLAB formed on a program in the m-file.
Penerapan Analisis Lasso dalam Menentukan Penyebab Utama Faktor Kematian Pasien Komorbid yang Terinfeksi Covid-19 Siregar, Agung Lesmana; Sari, Rina Filia; Widyasari, Rina
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3456

Abstract

Tingkat kematian akibat COVID-19 saat ini sangatlah mengkhawatirkan. Pada pasien dengan komorbid (penyakit pembawa) tingkat kematian semakin tinggi. Tujuan dari penelitian ini adalah untuk mengetahui komorbid apa saja yang berisiko kematian akibat COVID-19 berdasarkan ketepatan datang pengobatan di RSU Haji Kota Medan, dengan menggunakan metode LASSO (Least Absolute Shrinkage and Selection Operator). Keunggulan metode ini adalah mendapatkan hasil koefisien nol atau mendekati nol, yang menyebabkan terseleksinya variabel independen dengan diketahui koefisien dari usia, kadar gula darah, tekanan darah, hemoglobin, kreatinin dan saturasi oksigen. Berdasarkan koefisien hemoglobin memiliki nilai tertinggi dan menjadi variabel independen yang berpengaruh terhadap kematian akibat COVID-19. Hemoglobin dapat mempengaruhi tingkat oksigen di dalam tubuh karena saturasi oksigen adalah presentase hemoglobin yang mengikat oksigen. Jika tekanan hemoglobin turun menyebabkan sesak nafas sampai meyebabkan sesak nafas sampai menyebabkan kematian. Sehingga hemoglobin menjadi variabel independen yang berpengaruh terhadap kematian akibat COVID -19.
Sistem Pengambilan Keputusan Pemilihan Genre Buku Pada Kalangan Generasi Milenial di Kota Medan dengan Metode Analytical Hierarchy Process (AHP) Rahayu, Tiwi; Sari, Rina Filia; Aprilia, Rima
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 2 (2024): Menjembatani Matematika dan Pendidikan Matematika menuju Pemanfaatan Berkelanju
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i2.4216

Abstract

Buku merupakan salah satu media untuk memperoleh ilmu pengetahuan dan wawasan yang baru, karena buku ibarat jendela dunia yang mampu menelusuri berbagai penjuru hanya dengan membaca buku. Setiap buku memiliki genre yang beraneka ragam, sehingga dapat menjadi opsi dalam menentukan bahan bacaan yang sesuai dengan minat masing-masing. Untuk mengetahui genre yang diminati dapat menggunakan sistem pengambilan keputusan. Sistem pengambilan keputusan adalah sistem yang mampu memberikan penyelesaian terhadap permasalahan yang ada, sehingga hasil datanya terstruktur. Dalam penelitian ini, data diambil dari referensi terkait dan hasil penyebaran kuesioner kepada Generasi Milenial di Kota Medan. Kemudian data diolah menggunakan metode Analytical Hierarchy Process (AHP). Karakteristik khusus dari metode AHP ialah menghasilkan variabel yang mempunyai prioritas yang tertinggi sehingga memengaruhi pengambilan keputusan. Berdasarkan penelitian ini menghasilkan urutan kriteria dan alternatif paling prioritas dalam menentukan genre buku yang diminati oleh Generasi Milenial di Kota Medan. Peringkat prioritas kriteria yang tertinggi adalah kualitas dengan nilai 0,319 (31,9 %). Sedangkan peringkat prioritas alternatif yang tertinggi adalah genre self improvement dengan nilai 0,298 (29,8 %).
Optimisasi Biaya Transportasi Pengiriman Paket Jalur Nugraha Ekakurir di Sumatera Utara dengan Russel Approximation Methode(RAM) Banurea, Yana Wiranta; Sari, Rina Filia
Jurnal Pendidikan Matematika : Judika Education Vol 7 No 2 (2024): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/judika.v7i2.12393

Abstract

The aim of this research is to examine the optimization of transportation costs for sending packages on the Nugraha Ekakurir route in North Sumatra using the Russell Approximation Method (RAM). This research is quantitative research conducted at This research was conducted at the JNE Company, Medan Main Branch. Based on the research results, to optimize transportation costs for sending JNE packages in North Sumatra using the Russell Approximation Method, the overall cost allocation is much lower. Based on the test results, the initial solution obtained using the Russell Approximation Method achieved optimal solution results. The conclusion from the results of this research was that transportation costs decreased by 13.4%. The resulting optimal cost is Rp. 9,262,700 and initial costs of Rp. 10,700,000. Keywords: Optimization, Distribution Costs, Russell Approximation Method
Optimisasi Multi-Objektif Pada Pelayanan Kesehatan Di Ruang Rawat Inap Rumah Sakit Alamsyah, Arif; Sari, Rina Filia
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 1 (2023): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v6i1.2200

Abstract

This research focuses on optimizing healthcare services to find the optimal values for inpatient ward capacity and room allocation for patients to enhance the efficiency and quality of healthcare services in hospitals. The method employed in this study is the multi-objective optimization method with two objective functions. The solution is executed using the simplex method with the POM application on the Windows operating system. Hospitals face challenges managing limited resources, including inpatient ward space and staff, while ensuring timely and effective patient care. This study addresses these challenges using a multi-objective optimization approach that simultaneously considers multiple objectives. The research considers several key factors, such as the number of incoming and outgoing patients, the capacity of inpatient ward rooms, and the initial diagnosis of patients' health conditions. By optimizing these variables, the research aims to identify the most efficient way to allocate resources and maximize patient care quality. The research results indicate that the optimal capacity for accommodating patients in the Inpatient Ward of Mitra Medika Hospital is 1,400.88 patients, with a minimum requirement of 48 rooms for inpatient care. This optimization improves resource utilization and enhances patient satisfaction by reducing wait times and ensuring the availability of the appropriate facilities for their needs.
Analisis Diskriminan Penggunaan Media Sosial di Kalangan Mahasiswa UIN Sumatera Utara Rakhmawati, Fibri; Sari, Rina Filia; Lubis, Riri Syafitri; Simanjuntak, Ruth Mayasari
Jurnal IPTEK Bagi Masyarakat Vol 4 No 2 (2024)
Publisher : Ali Institute of Research and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/jibm.v4i2.1024

Abstract

This study aims to identify significant differences between students who actively use social media and those who do not in the Faculty of Science and Technology at UIN Sumatera Utara, determine distinguishing variables between the two groups, develop a two-factor discrimination model, and test the model's accuracy. The study sampled 1,800 students from 220 study programs, with data collected through a questionnaire. The credibility and validity of the questionnaire were tested using SPSS with Wilk's Lambda and F-test. Discriminant analysis was employed to identify distinguishing variables, such as access, photo uploads, status updates, link sharing, and live stories, and to determine the membership proportions of each group. The results indicate significant differences in behavior between active and inactive social media users, with cross-validation showing a classification accuracy of 77.0%. These findings provide valuable insights into social media usage patterns among university students.
RUTE PENDISTRIBUSIAN AYAM RAS PEDAGING (BROILER) MENGGUNAKAN METODE FUZZY TOPSIS Nasution, Nur Sangadah; Sari, Rina Filia
Jurnal Informatika Teknologi dan Sains (Jinteks) Vol 6 No 4 (2024): EDISI 22
Publisher : Program Studi Informatika Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51401/jinteks.v6i4.4968

Abstract

The broiler farming business in Indonesia continues to grow in order to meet animal protein needs and increase farmers' income. One of the challenges in this negative is determining efficient distribution routes to optimize travel distance and operational costs. Ayam Berkah Sejahtera, a broiler chicken distribution business in North Sumatra, does not yet have optimal routes, so the distribution process is often hampered by travel time and high costs. This research aims to determine the distribution route for broiler chickens using the Fuzzy TOPSIS method. Fuzzy TOPSIS is a multi-criteria decision making method that helps identify the best solution based on the shortest distance from the positive ideal solution and the longest distance from the negative ideal solution. The implementation of this method considers distance, delivery time, vehicle capacity and distribution costs to reach an optimal solution. The analysis results show that Fuzzy TOPSIS has succeeded in increasing the distribution efficiency of Ayam Berkah Sejahtera, speeding up delivery times, and reducing operational costs. This method also provides adjustments in dynamic distribution adjustments, making it suitable for application in multi-criteria distributions. With more optimized distribution routes, companies can achieve better performance and increase customer satisfaction.
OPTIMASI KEUNTUNGAN USAHA TERNAK AYAM RAS BROILER DENGAN PROGRAM LINEAR: STUDI KASUS PADA USAHA TERNAK AYAM RAS BROILER MILIK BAPAK HUMALA PONTAS DI DESA BATUGANA Suhaimi, Syech; Afnaria, Afnaria; Sari, Rina Filia; Marlina, Wenni; Usna, Wilia
MES: Journal of Mathematics Education and Science Vol 10, No 1 (2024): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v10i1.10250

Abstract

This research is to determine optimal profits in the Humala Pontas broiler chicken farming business by using linear programming, especially the simplex method, to solve this problem. The software used is POM-QM.  The results of this research show that there is an increase in profits obtained if you apply a linear program in the feed management process. The optimal profit obtained by implementing a linear program is Rp 86,460,940.00 for one harvest. The profit so far obtained by breeders is Rp. 84. 200,000.00. There is a profit difference of Rp. 2,260,940.00 by implementing a linear program in the feed and medicine management process.
The Tahani fuzzy logic method for detecting violence against women in North Sumatra Nisa, Khairun; Sari, Rina Filia
Bulletin of Applied Mathematics and Mathematics Education Vol. 4 No. 2 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/bamme.v4i2.11627

Abstract

Violence against women is a pervasive issue in society. Violence often encompasses various forms, such as physical, psychological, economic, and sexual violence. This research employs the Tahani fuzzy logic method to predict cases of violence against women. The results of the analysis in query fuzzification indicate that there are 16 districts experiencing high number of cases of violence against women, namely: Asahan, Batu Bara, Dairi, Deli Serdang, Karo, Binjai, Gunung Sitoli, Pematang Siantar, Tanjung Balai, Labuhan Batu Utara, Labuhan Batu, Langkat, Padang Lawas Utara, and Simalungun. This research also provides recommendations based on detection results, utilizing the fire strength value as the highest-level ranking. Looking at the total 33 districts in North Sumatra, the highest level of violence against women is in Medan, which occurred from July to December 2022, where all four criteria for typical cases of violence against women are significantly high.
Co-Authors Afnaria, Afnaria Alamsyah, Arif Andini, Qonita Putri Anggitasyah, Debi Annisa, Nur Alvi Banurea, Yana Wiranta Dedy Juliandri Panjaitan Fayed, Heba A. Fazariani, Nabila Hasibuan, Hani Maulida Husna, Wilia Hutagalung, Alya Azhrah Khairun Nisa Marlina, Wenni Nasution, Nur Sangadah Novia, Ayu Nugroho, Bagus Joyo Tirto Pohan, Siti Rolizah Pratiwi, Ria Widiya Rahayu, Atika Rahayu, Tiwi Rakhmawati, Fibri Rima Aprilia Riri Syafitri Lubis Ruth Mayasari Simanjuntak Sari, Dinda Permata Siregar, Agung Lesmana Siregar, Anggi Ramadany Suhaimi, Syech Usna, Wilia Widyasari, Rina Yunisa, Fahira Audri