Department of Mathematics: Recent submissions
Now showing items 41-60 of 4393
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Implementasi Model Suku Bunga Vasicek dan Cox-Ingersoll-Ross pada Perhitungan Dana Pensiun dengan Metode Aggregate Cost
(Universitas Sumatera Utara, 2025)Uncertainty in interest rates is a major challenge in the calculation of long-term pension funds. To address this, the present study implements the stochastic interest rate models of Vasicek and Cox-Ingersoll-Ross (CIR) ... -
Metode Partial Least Square-Structural Equation Modeling (PLS-SEM) dalam Analisis Kepuasan Mahasiswa Universitas Sumatera Utara terhadap Layanan SATU USU
(Universitas Sumatera Utara, 2025)SATU USU is a platform that integrates various digital services at Universitas Sumatera Utara into a single portal, facilitating students in accessing academic and administrative information. Student satisfaction with the ... -
Kajian Metode Markowitz dalam Optimasi Portofolio Saham Sektor Perbankan (Studi PT Bursa Efek Indonesia)
(Universitas Sumatera Utara, 2025)The Markowitz method, also known as the Mean-Variance Portfolio Theory, is used to determine a portfolio that provides optimal returns by minimizing risk. This study utilizes historical closing price data of six banking ... -
Penerapan Model Vector Autoregressive (VAR) pada Analisis Pengaruh Makroekonomi terhadap Profitabilitas PT Bank Rakyat Indonesia Tbk
(Universitas Sumatera Utara, 2025)The Vector Autoregressive (VAR) model is a multivariate approach to time series analysis used to evaluate the dynamic relationship between endogenous variables in a system. However, if there is evidence of a cointegration ... -
Penerapan Metode Fuzzy Mamdani dan Fuzzy Sugeno dalam Penentuan Jumlah Produksi Produk Pakaian Konveksi Mutiara Naga
(Universitas Sumatera Utara, 2025)Konveksi Mutiara Naga faces challenges in optimizing the production quantity of gamis (Muslim dresses), often resulting in either excess or shortage of stock. These issues arise from inaccurate production planning that ... -
Analisis Perbandingan Metode Mamdani Fuzzy Inference System dengan Regresi Berganda dalam Estimasi Konsumsi Energi Listrik di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)The continuously increasing demand for electricity presents a significant challenge in energy supply, particularly because electricity cannot be stored on a large scale. Therefore, accurate estimation methods are ... -
Analisis Sensitivitas Model Fuzzy Goal Programming dalam Optimisasi Laporan Keuangan PT Kereta Api Indonesia (Persero)
(Universitas Sumatera Utara, 2025)Financial statements are an important tool for assessing a company's performance and future prospects. In the transportation sector, particularly PT Kereta Api Indonesia (Persero), optimizing financial statements is crucial ... -
Implementasi Metode Fuzzy Mamdani dan Fuzzy Tsukamoto dalam Penentuan Durasi Fase Lampu Lalu Lintas di Persimpangan Jalan Kota Medan
(Universitas Sumatera Utara, 2025)The triple intersection of Jalan Jamin Ginting and Jalan Dr. Mansyur in Medan City frequently experiences congestion due to the use of static-duration traffic lights, which fail to account for variations in vehicle density ... -
Aplikasi Logika Fuzzy dalam Produksi Roti menggunakan Metode Mamdani dan Tsukamoto
(Universitas Sumatera Utara, 2025)Determining the appropriate amount of production is essential to maintain a balance between market demand and inventory. PT Roti Ganda Siantar, as one of the leading bread producers in North Sumatra, requires a decision ... -
Kajian Metode Fuzzy Sugeno dalam Mengidentifikasi Tingkat Risiko Kebakaran Hutan
(Universitas Sumatera Utara, 2025)In the implementation of fuzzy logic, the Sugeno fuzzy method faces several challenges, such as issues in determining the fuzzy rule base and the occurrence of undefined outputs (defuzzification) with values of 0/0. ... -
Bilangan Kromatik Harmonik pada Graf Hasil Kali Kartesian P3 x Sn
(Universitas Sumatera Utara, 2025)This research discusses the harmonious chromatic number on the Cartesian product of a path graph with three vertices (P3) and a star graph with n vertices (Sn). Harmonious coloring is a vertex coloring of a graph such that ... -
Hybrid Christofides Algorithm and List-Based Simulated Annealing (HCA-LBSA) dalam Menyelesaikan Traveling Salesman Problem (TSP)
(Universitas Sumatera Utara, 2025)The Traveling Salesman Problem (TSP) is a well-known classical problem in combinatorial optimization and graph theory. This study proposes the Hybrid Christofides Algorithm and List-Based Simulated Annealing (HCA-LBSA) to ... -
Fuzzy Time Series Model Cheng dengan Interval Fibonacci dalam Prakiraan Air Quality Index
(Universitas Sumatera Utara, 2025)Air quality in Indonesia has become increasingly concerning due to the rise in urbanization and industrialization activities, making it essential to employ accurate forecasting methods to monitor the Air Quality Index ... -
Pendekatan Pemrograman Mixed-Integer pada Masalah Clustering dengan Aplikasi Segmentasi Pelanggan
(Universitas Sumatera Utara, 2024)Segmentation is the process of dividing customers into clusters by customer loyal- ty categories to build a marketing strategy. Customer segmentation is one of the first steps in creating a business model. This research ... -
Perbandingan Metode K-Means, K-Medoids, dan Fuzzy C-Means dalam Pengelompokan Kota dan Kabupaten di Provinsi Sumatera Utara Berdasarkan Indikator Indeks Pembangunan Manusia Tahun 2023
(Universitas Sumatera Utara, 2024)In March 2023, the percentage of poor people in urban areas was 8.23% and in rural areas was 8.03%, with a decrease of 0.40 points in urban areas and an increase of 0.07 points in rural areas compared to September 2022. ... -
Analisis Cluster dengan Average Linkage Method dan Ward’s Method pada Pengelompokan Kabupaten/Kota di Provinsi Sumatera Utara Berdasarkan Indikator Indeks Pembangunan Manusia Tahun 2022
(Universitas Sumatera Utara, 2024)Cluster analysis is an interdependence technique that can describe the proximity or similarity between objects and variables. Cluster analysis is divided into two methods: hierarchical and non-hierarchical. This study ... -
Pengembangan Metode Hibrida untuk Menyelesaikan Persoalan Rute Kendaraan (Vehicle Routing Problem)
(Universitas Sumatera Utara, 2024)The Vehicle Routing Problem (VRP) is a critical challenge in logistics, impact- ing delivery efficiency and costs. Traditional VRP solutions often fail to address real-world dynamics such as fluctuating traffic conditions ... -
Model Perencanaan Pemeliharaan Tanaman Berbasis Smart Farming
(Universitas Sumatera Utara, 2024)Operational planning in agricultural production systems plays a vital role in facilitating farmers decision-making process. This study introduces a novel mathematical model aimed at optimizing crop maintenance planning ... -
Analisis Regresi Linier Berganda dengan Faktor-Faktor yang Mempengaruhi Tingkat Kemiskinan di Provinsi Sumatera Utara Tahun 2021-2023
(Universitas Sumatera Utara, 2025)Poverty is one of the sources of problems that indirectly affects development and represents an economic inability to meet the minimum standard of living within a community in a certain region. This condition is caused by ... -
Perbandingan Metode Weighted Least Squares
(Universitas Sumatera Utara, 2025)In multiple linear regression analysis using the Ordinary Least Squares (OLS) method as the parameter estimator, that the resulting regression coefficient estimthere are assumptions that must be met so ates are Best Linear ...