Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 261-280 of 11449
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Penerapan Metode Fuzzy Goal Programming dalam Optimasi Jumlah Produksi pada Fazana Bakery Labuhanbatu Utara
(Universitas Sumatera Utara, 2025)Optimal production planning is very important to achieve efficiency in the production process of a product. This research was conducted at Fazana Bakery with the aim of designing a Fuzzy Goal Programming model as a ... -
Peramalan Curah Hujan di Kabupaten Deli Serdang Menggunakan Fuzzy Time Series Cheng
(Universitas Sumatera Utara, 2025)Rainfall is one of the important factors affecting various sectors of life, especially in agriculture, the environment, and water resource management. The uncertainty and fluctuations in rainfall data over time require ... -
Potensi Ekstrak Daun Kelor (Moringa oleifera) Sebagai Biostimulan Terhadap Pertumbuhan Sawi Kailan (Brassica oleracea L.) Pada Hydroponik Wick
(Universitas Sumatera Utara, 2025)A study on the potential of moringa leaf extract (Moringa oleifera) as a biostimulant for the growth of kale (Brassica oleracea L.) in a Wick Hydroponic system was conducted from December 2023 to April 2024 at the Research ... -
Studi Perbandingan Kinerja Pra-proses Data dalam Pengklasteran Potensi Investasi Negara Berkembang Menggunakan Agglomerative Hierarchical Clustering
(Universitas Sumatera Utara, 2025)Investors require information to consider when making decisions related to investing in developing countries. This is done to assess the associated risks as well as the potential for achieving the expected returns. ... -
Kajian Teknik Normalisasi Root Distance Ratio pada Teknik Pembobotan dan Perangkingan MCDM: Beberapa Kasus dalam Kinerja Keuangan
(Universitas Sumatera Utara, 2025)Multi-Criteria Decision Making (MCDM) is a discipline within the field of operations research that is frequently used for decision-making to determine the best alternative based on relevant criteria. In the case of ranking ... -
Studi Perbandingan Performa MCDM Menggunakan PCA dan Entropy pada Perankingan Provinsi Berdasarkan Indikator Stunting di Indonesia
(Universitas Sumatera Utara, 2025)Stunting has serious impacts on children’s health and, in the long term, affects the quality of human resources, particularly in countries with high stunting rates such as Indonesia. Therefore, it is crucial to reduce ... -
Penerapan Fuzzy Inference System Metode Sugeno untuk Menetapkan Rekomendasi Memilih Kendaraan Roda Empat Tipe SUV
(Universitas Sumatera Utara, 2025)The selection of sport utility vehicles (SUVs) has become increasingly complex due to the growing variety of options available in the market. In this context, consumers tend to prefer vehicles that offer optimal performance ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Paraboea leuserensis B.L.Burt.) terhadap Gambaran Histologi Otak Tikus Wistar (Rattus norvegicus L.) Jantan yang Diinduksi Doxorubicin
(Universitas Sumatera Utara, 2025)Doxorubicin chemotherapy can cause neurotoxicity and cognitive impairment lead to brain cell damage. Gagatan harimau (Paraboea leuserensis B.L.Burtt) contains flavonoids and terpenoids with potential antioxidant properties ... -
Analisis Model Arsitektur Pohon Ficus Sebagai Pakan Rangkong (Bucerotidae) Di Stasiun Penelitian Ketambe Kabupaten Aceh Tenggara
(Universitas Sumatera Utara, 2025)Tree architectural model is a key characteristic that influences ecosystem dynamics, particularly in relation to hornbills (Bucerotidae). Ficus, as the primary food tree for hornbills, exhibits architectural variations ... -
Kajian Efisiensi dan Konsistensi Metode Simple Additive Weighting Adaptif pada Pengambilan Keputusan Pemilihan Saham dengan Menggunakan Moving Window Entropy dan Simulasi Monte Carlo
(Universitas Sumatera Utara, 2025)This study aims to examine the Simple Additive Weighting (SAW) method to enhance its adaptability to the dynamics and uncertainties inherent in stock selection decision making. An adaptive approach is implemented through ... -
Prediksi Laju Inflasi di Sumatera Utara dengan Metode High Order Intuitionistic Fuzzy Time Series
(Universitas Sumatera Utara, 2025)Inflation is one of the key indicators used to assess the economic stability of a region. Uncontrolled inflation rates can negatively impact investment, business activities, and public purchasing power. Therefore, accurate ... -
Kajian Metode Clarke And Wright Savings dalam Menentukan Rute Distribusi dengan Analisis Sensitivitas
(Universitas Sumatera Utara, 2025)The Clarke and Wright Savings method is one approach used to solve the distribution route determination problem, which is the problem of determining the optimal route for vehicles from a depot to a number of customers. ... -
Studi Pembobotan ROC dan CRITIC pada Metode OCRA dalam Pemilihan Guru Kompeten (Studi Kasus: SMPN 26 Batam)
(Universitas Sumatera Utara, 2025)This study provides an in-depth insight into the weighting methods of ROC (Rank Order Centroid) and CRITIC (Criteria Importance Through Intercriteria Correlation) within the OCRA (Operational Competitiveness Rating ... -
Metode Topsis dengan Pembobotan Entropy dalam Merankingkan Kesejahteraan Masyarakat antar Provinsi di Indonesia
(Universitas Sumatera Utara, 2025)This study aims to provide a deeper understanding of the application of the TOPSIS method with entropy weighting in ranking the well-being of society across provinces in Indonesia. Entropy weighting is used to determine ... -
Penerapan Metode Non-Preemptive Goal Programming dalam Mengoptimalkan Produksi dan Penyaluran Air Bersih Perumda Air Minum Tirta Nauli Kota Sibolga
(Universitas Sumatera Utara, 2025)Perumda Tirta Nauli Sibolga City is responsible for managing and distributing clean water resources to the residents of Sibolga. The Non-Preemptive Goal Programming method is applied to ptimize the production and ... -
Potensi Probiotik Bakteri Asam Laktat dari Sayur Selada (Lactuca sativa) Busuk
(Universitas Sumatera Utara, 2025)Lactic acid bacteria (LAB) are bacteria that play a role as probiotics for human and animal health. One of benefit of LAB is that they inhibit pathogenic microorganisms. The purpose of this study was to determine the ... -
Model Persoalan Minimum Spanning Tree Diameter Terbatas
(Universitas Sumatera Utara, 2013)The bounded diameter minimum spanning tree problem is a combinatorial op- timization problem appearing in applications such as wire-based communication network design when quality of service is of concern, in ad-hoc ... -
Pertumbuhan Arugula (Eruca sativa) Pada Media Hidroponik Wick dengan Perlakuan Kombinasi Biostimulan Paku Resam dan AB MIX
(Universitas Sumatera Utara, 2025)Research on the Growth of Arugula (Eruca sativa) in Wick Hydroponic Media by the combination treatment of Fern Extract and AB Mix was conducted from December 2024 to April 2025 at the Plant Physiology and Tissue Culture ... -
Bilangan Independent Domination pada Graf Caterpillar dan Graf Lobster Teratur
(Universitas Sumatera Utara, 2025)Let G=(V,E) be a simple graph with a vertex set V(G) and edge vertex E(G), let I⊆V(G). Set I is called independent domination if there is no vertices are adjacent in I and for all v∈V(G) \ I are adjacent to vertex in I. ... -
Pertumbuhan Sawi Pagoda (Brassica rapa L.) pada Media Hidroponik Wick Dengan Perlakuan Kombinasi Pupuk Organik Cair (POC) Limbah Ikan Lele (Clarias sp.) dan AB MIX
(Universitas Sumatera Utara, 2025)The demand for pagoda mustard (Brassica rapa L.) has been increased in line with awareness growing of healthy vegetable consumption. This study investigates the effects of a combination of liquid organic fertilizer (LOF) ...