Department of Mathematics: Recent submissions
Now showing items 61-80 of 4343
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Kajian Model Chen dan Model Lee pada Metode Fuzzy Time Series serta Peramalan pada Produksi Crude Palm Oil (CPO)
(Universitas Sumatera Utara, 2024)This study aims to examine two forecasting models, namely the Chen model and the Lee model, applied to the Fuzzy Time Series method in predicting the production of crude palm oil (CPO) in Riau Province. The data used is ... -
Automorfisma Graf Barbel
(Universitas Sumatera Utara, 2024)The automorphism of a graph G is a permutation of the set of points V(G) of the graph G which is neighborhood preserving. In other words, the automorphism of a graph G is an isomorphism of the graph G to itself. One of the ... -
Pemodelan Volatilitas Harga Saham GGRM dengan Pendekatan Generalized Autoregressive Conditional Heteroskedasticity (GARCH)
(Universitas Sumatera Utara, 2024)This research aims to obtain the best model for the stock data of PT Gudang Garam Tbk. (GGRM) based on AIC and BIC values. The study utilizes secondary data from the Investing website, using daily stock data of GGRM for ... -
Reformulasi Kuadratik Konveks Kuat dengan Metode Faktorisasi Berulang pada Program Polinomial Integer Campuran
(Universitas Sumatera Utara, 2024)This paper discusses solving Mixed-integer Polynomial Programs through convex quadratic reformulation. This quadratic reformulation is carried out using the factorization method. This method works by factoring high degree ... -
Perencanaan Jaringan Nirkabel dengan Ketidakpastian Permintaan
(Universitas Sumatera Utara, 2012)An optimal planning of future wireless networks in fundamental to satisfy ris- ing traffic demands jointly with the utilization of sophisticated techniques, such as OFDMA. Current method for this task require a static ... -
Model Hidden Markov untuk Menyajikan Hubungan Koordinasi Perkembangan Perilaku Pembelajaran di Era Reformasi Industri
(Universitas Sumatera Utara, 2024)School Communities interact dynamically in a school system, therefore they can be considered as agents in a Multi-Agent System. It is known that the need to manage relationships between agents in a multi-agent system is ... -
Integrasi Model AHP dan Modifikasi VIKOR dalam Pemilihan Rute Destinasi
(Universitas Sumatera Utara, 2024)Group decision making with multiple criteria is a frequently used method for rank- ing several alternatives. In this case, all alternatives are compared based on the same criteria. Sometimes, decision makers are faced ... -
Model Optimisasi Pendistribusian Logistik Pasca Bencana Banjir
(Universitas Sumatera Utara, 2024)Logistics planning is critical and a key component in meeting initial emergency needs in the aftermath of a disaster. The rapid and efficient distribution of lo- gistical aid becomes critically important. In such situations, ... -
Analisis Regresi Robust pada Pengukuran Kinerja (Studi Kasus Perumahan Martubung Medan)
(Universitas Sumatera Utara, 2024)Robust regression analysis in measuring housing environmental performance can provide significant benefits. This method can help identify and overcome uncer- tainty in measurement results, so that decisions regarding ... -
Perbandingan Genetic Algorithm (GA) dan Particle Swarm Optimization (PSO) dalam Penentuan Solusi Sistem Persamaan Nonlinier
(Universitas Sumatera Utara, 2024)Systems of nonlinear equations often appear in various fields of science and engi- neering, but their analytical solutions are difficult to find, so numerical methods are needed to solve them. The optimization method is ... -
Metode Pencarian Langsung untuk Model Pemrograman Nonlinier Stochastic Campuran
(Universitas Sumatera Utara, 2023)Stochastic programming is a tool for optimal planning and decision making in the presence of uncertainty in the data. The type of study object is a random optimization problem where the results (outcomes) of random data ... -
Penerapan Metode Dynamic Programming dan Fuzzy Linear Programming dalam Mengoptimasi Keuntungan Serta Jumlah Produksi Padi
(Universitas Sumatera Utara, 2024)Dynamic programming is a mathematical method used to select decision policies that will maximize profits. Meanwhile, the fuzzy linear programming method is used to obtain optimal constraints to achieve maximum profit. The ... -
Penerapan Metode Transportasi untuk Optimasi Biaya Transportasi Distribusi Angkut Barang di PT.Global Mitra Prima
(2021)PT.GLOBAL MITRA PRIMA distributes cosmetic products with the KINO brand with three source locations (Medan, Binjai and Tebing Tinggi) delivery which requires sending goods to four destination locations (Sibolga, Pematang ... -
Analisis Sensitivitas Metode Vikor dan Topsis pada Indeks Pembangunan Manusia di Indonesia
(Universitas Sumatera Utara, 2024)Sensitivity analysis is an important step in decision making, especially in determining how sensitive the ranking results are to changes in the weights of the criteria used. This research aims to analyze the sensitivity ... -
Pemodelan Pengaruh Kontak antara Individu terhadap Penularan Penyakit Cacar Monyet (Monkeypox) dengan Adanya Ko-Infeksi Penyakit HIV/AIDS
(Universitas Sumatera Utara, 2024)Monkey pox (monkeypox) is a disease that is transmitted by a virus through monkeys. The monkey pox virus occurs due to direct contact or consuming contaminated monkey meat such as monkeys and other rodents. In this model, ... -
Perbandingan Regresi Lasso dan Principal Component Regression (PCR) dalam Mengatasi Masalah Multikolinearitas
(Universitas Sumatera Utara, 2024)Multicollinearity is a problem that often arises in regression analysis. This condition occurs when the independent variables have a high correlation between each other. If the assumption of the absence of multicollinearity ... -
Kajian Metode Simulasi Monte Carlo
(Universitas Sumatera Utara, 2024)Forecasting is an important technique for projecting future values based on historical data. The Monte Carlo simulation Method is one of the forecasting methods that uses random numbers, specifically through the use of ... -
Penerapan Algoritma Floyd-Warshall dalam Menentukan Rute Terpendek pada Top 10 Wisata Kuliner di Kota Medan
(Universitas Sumatera Utara, 2024)The Floyd-Warshall algorithm is an algorithm that can be used to solve shortest route problems. This algorithm works by comparing every possible route in the graph for each pair of nodes produced. This research examines ... -
Analisis Metode PLS-SEM dengan Modifikasi Model UTAUT2 Pada Penggunaan ChatGPT oleh Mahasiswa Universitas Sumatera Utara
(2024)The rapid advancement of technology in modern times has a great influence in various aspects of life, including the world of education. In November 2022, a chatbot application or ChatGPT was released by an artificial ... -
Kajian Metode Hungarian dalam Optimisasi Masalah Pembagian Tugas
(Universitas Sumatera Utara, 2024)Task division problems can arise in various contexts, such as at work, or on a project. This pro blem usually occurs when there is an imbalance in the distribution of workload, where one party feels burdened or unfair ...