Browsing Department of Mathematics by Submit Date
Now showing items 1-20 of 4440
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Kajian Metode Hungarian pada Masalah Penugasan One-Objective dan Two-Objectives
(Universitas Sumatera Utara, 2025)The assignment problem is one of the problems in research operations that deals with the optimal allocation of objective functions. For one-objective assignment problem, only one objective function is considered. Meanwhile, ... -
Studi Komparatif Random Forest dan Regresi Logistik Elastic Net pada Klasifikasi Status Pulang FKTP BPJS Kesehatan: Kajian F1-Score, PR-AUC, dan Brier Score
(Universitas Sumatera Utara, 2026)This study analyzes and compares the performance of Random Forest and Elastic Net Logistic Regression (SAGA solver) for classifying patient discharge status at BPJS Kesehatan Primary Care Facilities (FKTP). The dataset is ... -
Optimalisasi Biaya Pendistribusian Menggunakan Metode Stepping-Stone dan (Modified Distribution) Modi
(Universitas Sumatera Utara, 2025)In the era of globalization, the growing market demand has driven significant developments in the service industry, particularly in the field of logistics and delivery services. One of the key challenges in this sector is ... -
Analisis Faktor Perkembangan Interaksi Anak terhadap Penggunaan Gawai Pada Usia Dini Menggunakan Kombinasi Regresi Logistik Biner dan Bayesian Network
(Univeritas Sumatera Utara, 2025)The rapid advancement of digital technology has had a significant impact on the way young children interact and socialize. If not managed properly, the use of digital devices (gadgets) has the potential to hinder children’s ... -
Analisis Keputusan Alih Fungsi Lahan Kopi menjadi Wortel menggunakan Analytical Hierarchy Process (AHP) di Desa Regaji Kabupaten Karo
(Universitas Sumatera Utara, 2025)The conversion of agricultural land use from coffee to carrot cultivation in Regaji Village, Karo Regency, reflects the dynamics of farmers’ decision-making in response to economic, social, and environmental factors. ... -
Improved Ant Colony Optimization Algorithm dalam Menyelesaikan Persoalan Rute JNE Cabang Utama Medan Amplas Trade Center
(Universitas Sumatera Utara, 2025)Afficient good distributions is a crucial factor in modern logistics services. JNE Cabang Utama Medan Amplas Trade Center faces challenges in determining optimal delivery routes to minimize travel time. This study aim ... -
Analisis Partial Least Square - Structural Equation Modelling (PLS-SEM) terhadap Kesiapan Digital Orang Tua Siswa SMAN 2 Kabanjahe dalam Menghadapi Era Industri 4.0
(Universitas Sumatera Utara, 2025)The Fourth Industrial Revolution Era has brought significant impacts across various aspects of life, including the education sector. The rapid growth in digital technology forces every layer of society to adapt, including ... -
Optimalisasi Penggunaan Manpower Dan Alat Berat Pada Proses Bongkar Muat Container Di PT. Prima Terminal Peti Kemas Menggunakan Metode Goal Programming
(Universitas Sumatera Utara, 2024)This research is motivated by the problem of delays and inefficiencies in the container loading and unloading process at PT. Prima Terminal Peti Kemas due to the imbalance between the number of available labor and heavy ... -
Perbandingan Kinerja Metode Metropolis-Hastings dan Gibbs-Sampling dalam Penaksiran Parameter Model Regresi Logistik Multinomial
(Universitas Sumatera Utara, 2025)Parameter estimation in multinomial logistic regression models often faces challenges when sample sizes are limited or when predictor variables exhibit high multicollinearity, which can reduce estimation accuracy and ... -
Kajian Model Lotka-Volterra dalam Dinamika Persaingan Pasar
(Universitas Sumatera Utara, 2025)The Competitive Lotka–Volterra mathematical model describes the interaction and competition between two market shares represented through a system of ordinary differential equations. The model incorporates a limiting ... -
Pemodelan dengan Generalized Lambda Distribution pada Data Kinerja Keuangan Perusahan Indonesia
(Universitas Sumatera Utara, 2024)The generalized lambda distribution (GLD) is one of the statistical distributions that can be used for data matching. GLD is known to have a high level of flexibility so that it can create distributions with a variety of ... -
Model Optimasi untuk Persoalan Terintegrasi Gudang, Inventori, Transportasi dalam Rantai Suplai Multi Eselon
(Universitas Sumatera Utara, 2025)Today, most companies have more complex supply chain networks in a more volatile business environment due to global sourcing, outsourcing of production, and serving customers worldwide with complex distribution networks ... -
Multi-Objective Vehicle Routing Problem With Time Windows Menggunakan Genetic Algorithm
(Universitas Sumatera Utara, 2025)This study focuses on the development and application of the Multi-Objective Vehicle Routing Problem with Time Windows (MO-VRPTW) model using Genetic Algorithm (GA) to optimise the waste transport system in Batu Bara ... -
Penerapan Analisis Faktor dalam Menentukan Faktor-faktor yang Mempengaruhi Keputusan Belanja Online Melalui Aplikasi Shopee (Studi Kasus: Mahasiswa Universitas Sumatera Utara)
(Universitas Sumatera Utara, 2024)Shopee is an online platform that provides services for buying and selling through the internet. In this study, several factors are identified that influence consumers’ decisions to shop online via Shopee. Factor analysis ... -
Analisis Probabilistik dan Pemodelan Risiko dengan Rantai Markov, Metode MCMC, dan Regresi Logistik Ordinal pada Perkembangan Penyakit Diabetes Tipe 2
(Universitas Sumatera Utara, 2025)Type 2 Diabetes Mellitus is a chronic disease that progresses gradually and often shows no symptoms in its early stages. To understand the dynamic transition of health status from normal to prediabetes and eventually to ... -
Evaluasi Kinerja Regresi Hüber dalam Mengatasi Outlier Dibandingkan dengan Metode Ordinary Least Square (OLS) dan Least Median Square (LMS)
(Universitas Sumatera Utara, 2025)Linear regression is the relationship between independent variables and dependent variables that is described in the form of a straight line (linear). Linear regression models are used to predict the values of unknown ... -
MODEL OPTIMASI MULTI-OBJEKTIF UNTUK JARINGAN RANTAI PASOK BERKELANJUTAN
(Universitas Sumatera Utara, 2025)Sustainable supply chains have become a strategic approach in addressing global challenges related to operational efficiency and environmental and social sus tainability. This research aims to design a multi-objective ... -
Penerapan Metode Geographically Weighted Random Forest Regression pada Kasus Tuberkulosis di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)Geographically Weighted Random Forest Regression (GWRFR) is an improved method of Random Forest (RF) that considers spatial effects. Spatial effects refer to variations in the relationship between variables across different ... -
Penerapan Metode Adams Bashforth-Moulton dan Runge-Kutta dalam Memprediksi Pertumbuhan Penduduk di Sumatera Utara pada Tahun 2029 Berdasarkan Data Jumlah Penduduk pada Tahun 2015-2024
(Universitas Sumatera Utara, 2025)The ABM5 method is a predictor and corrector (multistep) method in solving non-linear ordinary differential equations that utilizes the value of several previous periods to calculate the current value and future values, ... -
Penggunaan Metode Naive Bayes pada Klasifikasi Risiko Angka Putus Sekolah di Sumatera Utara
(Universitas Sumatera Utara, 2025)The school dropout rate is a crucial indicator for assessing the quality and equity of education in a region. A high dropout rate often reflects structural issues such as poverty, limited access to educational facilities, ...