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Unisda Journal of Mathematics and Computer Science (UJMC)

ujmc
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Published by Universitas Islam Darul Ulum

ISSN : 24603333 EISSN : 2579907X DOI : -

Core Subject : Science, Education,

Computer Science & IT Education Mathematics

Unisda Journal of Mathematics and Computational Science (UJMC) is a research journal published by Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan with the scope of pure mathematics, applied science, education, statistics

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Articles 7 Documents

Search results for , issue "Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science" : 7 Documents clear

METODE TRIPLE EXPONENTIAL SMOOTHING HOLT-WINTERS UNTUK PERAMALAN JUMLAH WISATAWAN NUSANTARA DI KABUPATEN BANYUWANGI Feby Indriana Yusuf; Dwi Hilda Anjasari
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Forecasting is how to predict future event by considering the past data. This research aims to determine the results of the comparison of forecasting the number of domestic tourists in Banyuwangi by triple exponential smoothing method of Holt-Winters multiplicative and additive models in order to obtain the best model. The data used in this research is the number of domestic tourists in Banyuwangi period January 2010 to March 2018. The results showed that forecasting by the triple exponential smoothing method of multiplicative models with a smoothing constant α = 0.18; γ = 0.03 and β = 0.1 obtained the smallest value of MAPE and MSE.

Analisa Struktur Balok dengan Metode Momen (Studi Kasus: Proyek Pembangunan Grand Mall Batam) Yayuk Setyaning Astutik
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

The Grand Mall Batam Development Project with number of stories 30 and 1 basement. Footing Plan of this project using bore pile. Observations are made at the project construction site for data collection for 3 months in 2018. The beams used are dimensins of B350 x 750 dimensions with a top reinforcement of 6D20 mm, 2D12 mm for center reinforcement, 3D20 mm for bottom reinforcement and D10-200 mm for diameter distance. The calculation of the beam starts with the planning data on the beam structure analysis, namely Concrete Quality 29 Mpa (K-350), Screw 500 Mpa and Plain Iron 260 Mpa. The loading on the beam is carried out in the field that work, the child beam and the main beam with details of dead load, live load, factored load. On the main reinforcement of the beam, the moment is calculated, namely the moment of the field, the moment of support and the moment of the plan. Based on the calculation of loading on the beam, the deflection value is 0.01709 m. Calculation of stirrup reinforcement on the beam where the required distance is 254.0073 mm and a distance of 200 mm is taken with an iron diameter of 10 mm. So the calculation of the main reinforcement of beam and stirrup reinforcement is in the Safe category.

PERBANDINGAN ALGORITMA DJIKSTRA DAN WARSHALL DALAM PENENTUAN LINTASAN TERPENDEK KE KOTA KLATEN Niken Retnowati; Rizka Safitri Lutfiyani
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Search for the shortest path is a problem that is faced when we want to travel or go somewhere. Klaten City is one of the cities in Central Java. Cities around Klaten include Boyolali. When we go to Klaten city there are several alternative roads or trails that can be chosen from Boyolali. Mathematically this condition can be applied in graphical form to find the shortest path to the city of Klaten. Determination of the shortest path can be found using the Djikstra Algorithm and the Warshall Algorithm. Researchers tried to compare the two methods to get the most optimal result. From the study concluded that the Djikstra algorithm is more effective than the Warshall algorithm for the shortest path from Boyolali to Klaten.

OPTIMASI RUTE TRUK PENGANGKUTAN SAMPAH DI KOTA SUMBAWA BESAR SHIFT II MENGGUNAKAN GVRP Koko Hermanto; Eki Ruskartina
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

The problem of garbage in the city of Sumbawa Besar is a common problem that often occurs, as well as large cities in Indonesia. To avoid the negative impact of the existence of waste, the waste problem needs to be handled properly by improving quality and waste management, for example in terms of distribution. Set warehouse, TPS and TPA as vertices, and the connecting paths of these vertices are edgy. Arrange the shortest route for each fleet in the second shift using the generalized vehicle routing problem (GVRP) method. Then, using the clustered generalized vehicle routing problem (CGVRP) method and resolved with the Dijkstra algorithm. Obtained the total route on the second shift 85,569 meters, so that spent fuel RP 69,524, - more optimal than the route that has been used that is along 96,302 meters obtained RP. 78,245, -.

Dimensi Metrik Graf Dual Prisma Fenny Fitriani
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

The form of a graph which formed from a graph has no intersecting side is called a dual graph. One graph that can be formed as a dual graph is a prism graph. Prism graph (Pm,n) is a graph formed from the results of a cartesian product of a cycle graph with a line graph. In this paper we discuss the metric dimension of a dual prism graph (P'm,n). The metric dimension of a dual prism graph is divided into two states, when n = 2 and n ≥ 3.

Perbandingan Rough Set dan Algoritma Apriori untuk Sistem Rekomendasi Perpustakaan muhammad muhajir; Jaka Nugraha; Rachmad Febrian
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

The recommendation system is a dynamic information filtering system that is produced according to user interests or behavior. The recommendation system in the library can provide book references based on user interests or characteristics. UII Central Library has an information system in the form of a database of book lending transactions that can be used for a recommendation system. The method is a rough set and apriori algorithm. This study compares 2 methods to get the best method that can be applied in the recommendation system. The results obtained by the number of rough set rules as many as 14 rules with an average coverage of 0,01111 and average accuracy of 0,87416 and the number of apriori algorithm rules as many as 23 rules with an average support of 0,00276 and average confidence of 0,87458. Based on the number rules, the average value of accuracy or confidence, the apriori algorithm mehod is a method that can be used for the recommendation system in the UII Central Library.

Aplikasi Form Rencana Studi (FRS) Online Di Fakultas Teknik Univesitas Andi Djemma Ummu Kaltsum Arnis; Apriyanto Apriyanto; Ahmad Ali Hakam Dani
Unisda Journal of Mathematics and Computer Science (UJMC) Vol 4 No 2 (2018): Unisda Journal of Mathematics and Computer Science
Publisher : Mathematics Department of Mathematics and Natural Sciences Unisda Lamongan

Abstract: The application of information technology to universities in principle to facilitate the work process of academic staff, lecturers, and students in terms of accessing data and information. Currently Andi Djemma University Faculty of Engineering still uses conventional methods in managing academic data in the process of filling KRS. This study aims to design an online Study Plan Form application that can facilitate students in filling out KRS online In making this application using qualitative research methods with a type of descriptive research, using Unified Modeling Language (UML) as a system development method and using the PhpMyAdmin database, and designed using a MySQL database with XAMPP software as a web server. The trial results from the application for filling out the Study Plan Form (FRS) online at the Andi Djemma Palopo University Faculty of Engineering show that the KRS filling process is more practical and efficient for students without having to come directly to campus

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