Department of Mathematics: Recent submissions
Now showing items 1-20 of 4336
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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 ... -
Pengendalian Persediaan Dengan Metode Economic Order Quantity Guna Optimalisasi Persediaan Bahan Baku Penunjang Panel APP PL (Studi Kasus: PT. Rahmat Kurnia Abadi)
(Universitas Sumatera Utara, 2025)This research aims to provide an overview of LPG raw material inventory control carried out by PT. Rahmat Kurnia Abadi and to find out the optimal number of orders for LPG raw materials, order frequency, amount of safety ... -
Penerapan Metode Double Exponential Smoothing untuk Meramalkan Jumlah Angkatan Kerja di Kabupaten Toba Samosir Pada Tahun 2021-2022
(Universitas Sumatera Utara, 2021)The workforce is a population aged 15 to 65 years who are currently working or looking for work. The workforce in Toba Samosir Regency has increased almost every year. The data in this study are secondary data obtained ... -
Aplikasi Penalized Maximum Likelihood Estimation pada Distribusi Weibull dengan Algoritma Gradient Descent
(Universitas Sumatera Utara, 2025)The Weibull distribution is widely used in reliability analysis and failure modeling due to its flexibility in modeling various types of data. For accurate parameter estimation, the Penalized Maximum Likelihood Estimation ... -
Estimasi Parameter Distribusi Weibull Menggunakan Metode Maksimum Likelihood
(Universitas Sumatera Utara, 2025)In various types of statistical analysis, the Weibull distribution is an important continuous probability distribution. One crucial aspect of studying this distribution is estimating its parameters. The maximum likelihood ... -
Model Cox Proportional Hazard dalam Analisis Survival Penderita Penyakit Sirosis Hati
(Universitas Sumatera Utara, 2025)Survival analysis is a field of statistics that studies how individuals or objects endure over time. One commonly used statistical method in this field is the Cox Proportional Hazard Model. This model is used to determine ... -
Metode Structural Equation Modelling (SEM) untuk Menentukan Kelayakan Penerima Program Keluarga Harapan (PKH) Kecamatan Medan Barat
(Universitas Sumatera Utara, 2024)Structural Equation Modeling (SEM) is a statistical analysis method used to test the relationship between variables in a model. SEM can be used as a statistical technique that takes into account latent and manifest variables, ... -
Pemrograman Nonlinear dengan Metode Fungsi Barrier untuk Optimasi Produksi Padi
(Universitas Sumatera Utara, 2025)Paddy is one of the important food crops in Indonesia that can be processed into rice which has an important role in fulfilling national food needs. North Sumatra is one of the rice paddy producing areas in Indonesia. ... -
Kajian Metode Penalti dan Aplikasinya Pada Masalah Penugasan
(Universitas Sumatera Utara, 2025)One method that can be used to solve linear programming problems is the penalty method. The penalty method can solve the maximum case and the minimum case. Such cases are often found in everyday life in assignment problems. ... -
Penerapan Teori Permainan Untuk Strategi Bisnis Perusahaan Jasa Pengiriman Barang (Studi Kasus: Persaingan JNE dan J&T Lingkup Mahasiswa Universitas Sumatera Utara)
(Universitas Sumatera Utara, 2022)The development of an increasingly modern era is marked by the increasing number of companies that can facilitate the community. One example is a freight forwarding company. This causes a high level of competition in these ... -
Peramalan Harga dan Tren Saham Menggunakan Model Arima-Garch dan Hidden Markov Model
(Universitas Sumatera Utara, 2024)In this study, the ARIMA-GARCH model is used to forecast stock prices and volatility, while the Hidden Markov Model (HMM) is used to detect hidden trends based on the forecasting results. The data used is the historical ... -
Penentuan Outlier pada Data Multivariat Berbasis Jarak dengan Kuantil
(Universitas Sumatera Utara, 2020)The quantile model is a method for detecting data that is classified as outliers. There are many methods that have been applied by researchers before. Some of them are the minimum volume ellipsoid (MVE) method, the minimum ... -
Jumlahan Jarak Hamming Berbobot
(Universitas Sumatera Utara, 2020)The Hamming distance between two binary digits is the number of differences be- tween two series of binary numbers that have the same length according to the position of each binary digit. The sum of the Hamming distances ... -
Pengelompokan Data Kasus Covid-19 di Sumatera Utara dengan Metode K-Means
(Universitas Sumatera Utara, 2022)Cluster is a multivariate technique that aims to classify objects into different groups from one group to another. Objects that have been classified in one cluster are objects that have the same relative distance proximity ... -
Perbandingan Fuzzy AHP-SAW dan Fuzzy AHP-VIKOR dalam Pemilihan SPF Tabir Surya Wajah
(Universitas Sumatera Utara, 2024)Sunscreen is a crucial skin care product for maintaining healthy skin from the sun. One of the important ingredients in it is Sun Protection Factor or SPF. In its selection, the Analytical Hierarchy Process method is widely ... -
Penerapan Teori Permainan dalam Menentukan Strategi Pemasaran Optimum pada Produk Mi Instan (Mie Sedaap, Gaga, dan Supermi) di Lingkungan Mahasiswa Matematika Universitas Sumatera Utara
(Universitas Sumatera Utara, 2024)Instant noodle consumption in Indonesia has continued to increase in the last few years, which indicates that there are more business opportunities for instant noodle products in Indonesia. Proved by the number of instant ... -
Analisis Kualitas Pelayanan Sekolah SMAN 1 Berastagi Terhadap Kepuasan Siswa dengan Metode Importance Performance Analysis (IPA)
(Universitas Sumatera Utara, 2024)In improving the quality of service to provide satisfaction to students, SMAN 1 Berastagi needs efforts to meet student expectations, so that students get satisfaction with the services provided by SMAN 1 Berastagi. Student ... -
Analisis Pengaruh Faktor - Faktor Customer Relationship Marketing terhadap Loyalitas Nasabah Menggunakan Metode Analisis Regresi Linier Berganda
(Universitas Sumatera Utara, 2024)In this research multiple linear regression analysis discussed, where data analysis is first carried out. Many factors affect loyalty, including customer relationship marketing with the dimensions of communication, commitment ...