Department of Mathematics: Recent submissions
Now showing items 21-40 of 4440
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Perbandingan Algoritma Branch and Bound dan Simulated Annealing pada Travelling Salesman Problem
(Universitas Sumatera Utara, 2024)This study aims to explain and solve the problem of determining the route that has the minimum distance or cost in the Traveling Salesman Problem (TSP). To overcome this, an approach using the Branch and Bound Algorithm ... -
Analisis Sensitivitas Pada Model DEA Dengan Pendekatan Fuzzy Pada Pengukuran Kinerja Lingkungan Perumahan
(Universitas Sumatera Utara, 2025)Sensitivity analysis in DEA models using a fuzzy approach can provide significant benefits in measuring the environmental performance of housing. This method can help identify and measure the impact of changes in input ... -
Penerapan Metode Fuzzy Analytical Hierarchy Process (AHP) dalam Pemilihan Paket Layanan Internet Prabayar (Studi Kasus Mahasiswa FMIPA USU)
(Universitas Sumatera Utara, 2025)This research aims to measure the level of accuracy and effectiveness of the application of the Fuzzy Analytical Hierarchy Process (AHP) method in selecting internet service packages. The selection of internet service ... -
Vehicle Routing Problem Relaxed Time Windows
(Universitas Sumatera Utara, 2025)The Vehicle Routing Problem with Relaxed Time Windows (VRP-RTW) is an ex tension of the classic Vehicle Routing Problem (VRP) that allows for flexibility in service time windows. In VRP-RTW, vehicles are allowed to arrive ... -
Model Optimasi Distribusi Logistik Menggunakan Multi-Depot Capacitated Vehicle Routing Problem
(Universitas Sumatera Utara, 2025)Logistics distribution is vital for enhancing the efficiency and competitiveness of Indonesia. The challenges in Indonesian logistics include complex geography, limited infrastructure, traffic congestion, and high ... -
Modifikasi Data Anomali Kunjungan Wisman ke Sumatera Utara Selama Periode Covid-19 Dengan Metode Indikator Statistik dan Interpolasi Spline Time Series Untuk Kelayakan Model Time Series
(Universitas Sumatera Utara, 2025)The feasibility of time series models is highly influenced by both the availability of data and the structural patterns of the series itself. The regular collection of data over time plays a crucial role in generating ... -
Penaksiran Parameter Model Autoregressive Integrated Moving Average (ARIMA) Menggunakan Hamiltonian Monte Carlo dan Metropolis-Hastings
(Universitas Sumatera Utara, 2025)Currency exchange rate is one of the key economic indicators that reflects a country’s stability and competitiveness. The selling rate of USD against the Indonesian Rupiah exhibits significant fluctuations, thereby requiring ... -
Penaksiran Parameter Model ARIMA dengan Metropolis-Hastings dan Gibbs Sampling
(Universitas Sumatera Utara, 2025)The ARIMA model is one of the most widely used methods in time series analysis, particularly for forecasting. The accuracy of the ARIMA model strongly depends on precise parameter estimation. The aim of this study is to ... -
Penentuan Optimal Produksi Dimsum Menggunakan Metode Goal Programming pada PT. Juragan Dimsum
(Universitas Sumatera Utara, 2025)This study aims to determine the optimal production capacity of dimsum at PT. Juragan Dimsum using the Goal Programming method. In the planning process, the company faces several constraints, including meeting market demand, ... -
Implementasi Goal Programming dalam Mengoptimalkan Penjadwalan Perawat Rumah Sakit Umum Mitra Medika Amplas
(Universitas Sumatera Utara, 2025)Nurse scheduling is a common problem in hospitals, making it crucial to devise an optimal schedule for maintaining the quality of healthcare services in hospitals. This study proposes an optimization model for nurse ... -
Kajian Model SIR-ASI pada Penyebaran Penyakit Demam Berdarah Dengue dengan Adanya Klasifikasi Usia
(Universitas Sumatera Utara, 2025)This study develops an SIR-ASI model for Dengue Hemorragic Fever (DHF) by incorporating age classification in the human population, specifically into children and adults groups. The model is structured into nine compartments: ... -
Algoritma Genetika Hibrid pada Permasalahan Optimasi Portofolio Dinamis
(Universitas Sumatera Utara, 2025)Dynamic portfolio optimization is a crucial problem in evolving financial markets, requiring investment decisions to be adjusted over time. Traditional methods such as Linear Programming (LP) and Quadratic Programming ... -
Perpindahan panas pada Fluida Non-Newton
(Universitas Sumatera Utara, 2021)Non-Newtonian fluids exhibit behaviour deviating from Newton’s law. In Sisko fluid flow, which is a non-Newtonian fluid, within pipes, the relationship between shear stress magnitude and shear strain becomes linear as ... -
Teori Permainan Fuzzy dalam Menentukan Strategi Pemasaran Optimum pada Shopee, Lazada dan Tokopedia
(Universitas Sumatera Utara, 2025)The rapid advancement of the times has resulted in every human activity being inseparable from technology. Various new technologies are emerging in every field of life. One of the rapidly developing technologies is electronic ... -
Optimasi Parameter Tuning pada Model Regresi Logistik Lasso
(Universitas Sumatera Utara, 2025)This study examines the optimization of the C parameter defined as the inverse of λ in the LASSO logistic regression model by comparing three cross-validation methods: KFold, Stratified KFold (SKF), and Repeated ... -
Pencarian Nilai Minimum dengan Dua Dimensi pada Algoritma Gauss Newton
(Universitas Sumatera Utara, 2015)Gauss-Newton algorithm is an iterative method used in solving the non-linear least- squares. As is known Gauss Newton algorithm does not always work forever, it can sometimes show weak to convergence rate. In this problem, ... -
Pemodelan Prevalensi Stunting di Indonesia Menggunakan Metode Regresi Nonparametrik Spline Truncated (Studi Kasus: Data BPS Tahun 2023)
(Universitas Sumatera Utara, 2025)Regression analysis is a statistical method used to determine the pattern of relationship between one variable and another. When the shape of the regression curve is unknown, nonparametric regression is used. One approach ... -
Perbandingan Performa Algoritma K-Means dan DBSCAN dalam Clustering pada Data Berdimensi Tinggi
(Universitas Sumatera Utara, 2025)Clustering is one of the essential techniques in data analysis for discovering hidden patterns and grouping data based on certain similarities. However, the application of clustering algorithms to high-dimensional data ... -
Analisis Kinerja Metode Fuzzy Mamdani dalam Meramalkan Intensitas Curah Hujan di Kota Medan
(Universitas Sumatera Utara, 2025)Indonesia is a tropical country with two main seasons, namely the dry season and the rainy season. Rainfall in a region is influenced by various meteorological factors such as air temperature, humidity, duration of sunshine, ... -
Model Multi-Objektif Transportasi Umum dengan Adanya Transfer
(Universitas Sumatera Utara, 2017)An important element in the process of public transportation planning is the development of the concept of a path, so far the model in this study aims to minimize the cost as well as the number of transfers in public ...