Department of Mathematics: Recent submissions
Now showing items 41-60 of 4336
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Pengoptimalan Biaya Transportasi dengan Metode Sirisha – Viola
(Universitas Sumatera Utara, 2024)Distribution is the process of channeling goods or products produced from producers to consumers. In the era of Industry 5.0, which is the era of collaboration between humans and technology in production and intense ... -
Penerapan Model Assignment dengan Metode Hungarian pada Optimalisasi Penugasan Karyawan
(Universitas Sumatera Utara, 2024)Part of linear programming that is often encountered in everyday life is the assignment problem. The assignment problem involves m workers who must be assigned to n jobs, each of which has different competencies in completing ... -
Analisis Pengendalian Persediaan Dua Jenjang dengan Kebutuhan Berdistribusi Normal dan Waktu Tenggang Tetap dengan Menggunakan Kebijakan N-Siklus-Tunggal
(Universitas Sumatera Utara, 2022)Inventory problems cover a wide scope, which can be found not only in manufacturing systems but also in non-manufacturing systems. Basically, inventory problems arise from events where there is too much inventory or too ... -
Penerapan Metode Improved Average Penalty Cost (IAPC) dengan Stepping Stone dalam Optimasi Biaya Transportasi Barang
(Universitas Sumatera Utara, 2024)Transportation problems are a common issue in the distribution of goods, focusing on the transportation costs from m sources to n destinations with the aim of minimizing transportation costs. Transportation issues are ... -
Penerapan Metode Fuzzy Service Quality dalam Analisis Kepuasan Pelayanan Kesehatan
(Universitas Sumatera Utara, 2024)Fuzzy logic is an element of Boolean logic, where fuzzy logic is used to handle the concept of degrees of truth between true and false (Yanif, et al, 2011; Henny, 2018). Fuzzy logic theory also provides a method for ... -
Implementasi Analisis Faktor dan Analisis Jalur dalam Mengidentifikasi Faktor-Faktor yang Memengaruhi Kemiskinan di Provinsi Aceh
(Universitas Sumatera Utara, 2024)This research implements factor analysis and path analysis methods to identify the factors that influence Poverty in Aceh Province. The data used is sourced from the Central Bureau of Statistics of Aceh Province in 2023. ... -
Kajian Integral Riemann Diperumum
(Universitas Sumatera Utara, 2024)Riemann integration theory integrates functions on a bounded interval [a,b]⊆R as a Riemann sum approach (integral) where the fineness of the partitions is controlled by a number (norm) ‖P‖. In Generalized Riemann integral ... -
Pemodelan Regresi dengan Pendekatan Generalized Linear Models pada Kasus Tuberkulosis di Sumatera Utara
(Universitas Sumatera Utara, 2024)Generalized Linear Models (GLM) are used to model data when the distribution of the response variable is part of the exponential family. The negative binomial distribution and the Poisson distribution are examples of ... -
Analisis Perbandingan Model Regresi Linier Metode Forward Selection, Backward Elimination, dan Stepwise Regression (Studi Kasus Pendapatan Oli Mesin pada UD. Bengkel Mobil Abadi)
(Universitas Sumatera Utara, 2024)In selecting variables for a regression model, independent variables can explain the dependent variable and meet the assumptions of linear regression so that the regression model is BLUE (Best Linear Unbiased Estimator). ... -
Penalized Maximum Likelihood Estimation dengan Algoritma Gradient Descent pada Model Regresi Logistik Multinomial
(Universitas Sumatera Utara, 2024)Maximum likelihood estimation (MLE) is commonly used for parameter estimation of statistical models, including multinomial logistic regression. However, multicollinearity in logistic regression limits its use. Penalized ... -
Penaksiran Parameter Model Regresi Logistik Multinomial Menggunakan Metode Optimasi Stochastic Gradient Descent dengan Quasihyperbolic Momentum pada Dataset Besar
(Universitas Sumatera Utara, 2024)In multinomial logistic regression parameter estimation using maximum likelihood estimation, numerical approach with optimization method is used to get the best estimated parameters of the mentioned model. The optimization ... -
Analisis Regresi Logistik Biner pada Penyakit Polycystic Ovary Syndrome (PCOS)
(Universitas Sumatera Utara, 2024)Binary logistic regression is a statistical analysis technique that is useful for analyzing the relationship between independent variables and dependent variables that are binary. In the health field, binary logistic ... -
Penerapan Metode Fuzzy Dematel untuk Menentukan Kriteria Terbaik Yang Mempengaruhi Kepuasan Karyawan (Studi Kasus : Pt. Modern Plasindo Mutiara)
(Universitas Sumatera Utara, 2024)The level of employee satisfaction is a key factor in the effective management of human resources, as it can have a significant impact on company productivity. Consequently, it is incumbent upon a company to identify and ... -
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 ...