Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 241-260 of 11420
-
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) ... -
Pengaruh Daya Lampu LED terhadap Pertumbuhan Bayam Merah (Amaranthus tricolor L.) pada Sistem Hidroponik Indoor
(Universitas Sumatera Utara, 2025)Red spinach (Amaranthus tricolor L.) is one of the vegetable plants that is rich in nutritional content compared to other types of spinach that can be harvested at the age of 30 days. This study is about the Effect in LED ... -
Perkembangbiakan Larva Nyamuk (Aedes aegypti L.) pada Limbah Tempe yang Telah Diberi Perlakuan Fotokatalitik Menggunakan ZnO
(Universitas Sumatera Utara, 2025)Tempeh wastewater from the tempeh industry has become a serious environmental problem, particularly in proper wastewater treatment, such as Tanjung Anom Village, North Sumatra. Tempeh wastewater contains high concentrations ... -
Karakterisasi BaFe12O19 pada Penambahan Y2O3 untuk Penyerap Gelombang Mikro
(Universitas Sumatera Utara, 2025)In this study, the main focus is on the preparation and characterization of BaFe12O19 with the addition of Y2O3. The variation of Y2O3 composition used is 0%, 3% and 5%. This research was conducted to show how effective ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Paraboea leuserensis B.L Burtt) terhadap Histologi Pankreas pada Tikus Wistar (Rattus norvegicus L.) Jantan yang Diinduksi Doksorubisin
(Universitas Sumatera Utara, 2025)Doxorubicin is a chemotherapeutic drug known for its cytotoxic effects on normal tissues, including the pancreas, where it induces oxidative stress and β-cell necrosis in the islets of Langerhans, disrupting insulin secretion ... -
Implementasi Metode Fuzzy Goal Programming dalam Optimasi Pengiriman Barang pada PT. Logistik Ekspresindo Utama Medan
(Universitas Sumatera Utara, 2025)PT. Logistik Ekspresindo Utama is a freight forwarding company that faces signi f icant challenges in distribution efficiency, particularly due to frequent delivery delays and unfulfilled customer demand resulting from ... -
Implementasi Model Suku Bunga Vasicek dan Cox-Ingersoll-Ross pada Perhitungan Dana Pensiun dengan Metode Aggregate Cost
(Universitas Sumatera Utara, 2025)Uncertainty in interest rates is a major challenge in the calculation of long-term pension funds. To address this, the present study implements the stochastic interest rate models of Vasicek and Cox-Ingersoll-Ross (CIR) ... -
Isolasi Fragmen Gen pi-ta Pada Padi Siporang (Oryza sativa L.) dari Tapanuli Selatan, Sumatera Utara Sebagai Gen Ketahanan Penyakit Blas
(Universitas Sumatera Utara, 2025)Siporang rice (Oryza sativa L.) from South Tapanuli Regency, North Sumatra, exhibits resistance to blast disease. This resistance is presumed to be associated with the presence of R genes involved in the plant defense ... -
Potensi Pupuk Hayati Cair FertoMAX dalam Menghambat Infeksi Colletotrichum gloeosporioides Penyebab Antraknosa pada Tanaman Cabai Merah (Capsicum annum L.)”
(Universitas Sumatera Utara, 2025)FertoMAX liquid biofertilizer developed by the Institue Oil Palm Research Institute (IOPRI) can be used to increase growth and to control pathogenic fungi in cultivated plants such as red chili plants (Capsicum annum L.). ... -
Kepadatan, Hubungan Panjang-Berat dan Tingkat Kematangan Gonad Ikan Gulamah (Johnius trachycephalus) di Perairan Pantai Labu Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2025)Gulamah fish (Johnius trachycephalus) is one of fish type that lives on Labu Beach which is often consumed by people around the beach. This study aims to determine the relationship between the length and the weight, the ...