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Jurnal Matematika: MANTIK

mantik
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Published by Universitas Islam Negeri Sunan Ampel

ISSN : 25273159 EISSN : 25273167 DOI : 10.15642/mantik

Core Subject : Education,

Mathematics

Jurnal Matematika MANTIK is a mathematical journal published biannually by the Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya. Journal includes research papers, literature studies, analysis, and problem-solving in Mathematics (Algebra, Analysis, Statistics, Computing and Applied).

Arjuna Subject : -

Articles 119 Documents

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Peramalan Indeks Harga Konsumen dengan Metode Singular Spectral Analysis (SSA) dan Seasonal Autoregressive Integrated Moving Average (SARIMA) Deltha Airuzsh Lubis; Muhamad Budiman Johra; Gumgum Darmawan
Jurnal Matematika MANTIK Vol. 3 No. 2 (2017): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

Consumer Price Index (CPI) are the indicators used to measure the inflation and deflation of a group of goods and services in general. Forecasting CPI to be important as early detection in facing price hikes. This study uses the SSA and SARIMA. SARIMA a parametric model that requires various assumptions while SSA is a nonparametric technique that is free from a variety of assumptions, but both methods require seasonal patterns in the data. Based on the research results, methods of SSA with length window(L) of 24 and a grouping of 4 (1 group of seasonal and 3 groups of trends) and SARIMA models of order (0,1,1), (0,1,1) 6 is the most accurate and reliable models in forecasting CPI to the value Padang Sidempuan City. Forecasting CPI Padang Sidempuan City for the next 5 months with SSA method and SARIMA (0,1,1), (0,1,1) 6 shows the pattern of a trend is likely to increase but forecasting the 5th month with SSA method showed a surge in the value of CPI high or high inflation will occur.

Beberapa Metode pada Masalah Pemrograman Stokastik Ihda Hasbiyati; Hasriati Hasriati
Jurnal Matematika MANTIK Vol. 3 No. 2 (2017): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

Stochastic programming problem is mathematical problem (linear, integer, mixed integer, and nonlinier) with stochastic element lies data. To get reasonable solution and optimal with its stochastic data is needed several method. Applicable method in trouble stochastic programming are L-Shape decomposition and lagrange decomposition. Each method can determine optimal solution to troubleshoots stochastic programming

Pelabelan Harmonis Ganjil pada Kelas Graf Baru Hasil Operasi Cartesian Product Fery Firmansah; Muhammad Ridlo Yuwono
Jurnal Matematika MANTIK Vol. 3 No. 2 (2017): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

Graph class which has the characteristic of odd harmonious labeling is called as odd harmonious graph. Net graph is a graph which is gained by using operation Cartesian product of two line graphs. The construction of snake-net graph is inspired by the definition of snake graph replacing the round graph to net graph. In this paper, the study will show that snake-net graph fulfill the characteristic of odd harmonious graph in such a way snake-net graph is the odd harmonious graph. In the end of this paper, it is also shown that the union of snake-net graph is also called as the odd harmonious graph.

Pemodelan Matematika Perpindahan Panas Konveksi Campuran (Mixed Convection) pada Pelat Horizontal Leli Deswita
Jurnal Matematika MANTIK Vol. 3 No. 2 (2017): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

This study examines and analyzes mathematical model of mixed convection in horizontal plate. The heat transfer uses the model of a two dimensional nonlinear partial differential equations system. Then, this equation is derived first into the dimensionless equation form, and then it is changed into system of nonlinear ordinary differential equations form using similarity transformation. This system of nonlinear ordinary differential equations is solved by using the finite-difference scheme method, also with the mathematics program with software Matlab. The results obtained form this program is to determine skin friction coefficient , wall temperature velocity profiles and temperature profiles

Distribusi Batik Madura Melalui Penerapan Generalized Vehicle Routing Problem (GVRP) Faisol Faisol; Masdukil Makruf
Jurnal Matematika MANTIK Vol. 3 No. 2 (2017): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

Product distribution process is an effort to convey a product of consumer handlebar with a planned and programmed system. Cluster method is a grouping of the nearest market location, then analyzed the location of potential facilities through center of gravity. GVRP (Generalized Vehicle Routing Problem) is one of the algorithms in the cluster method [1]. In the GVRP describes the route determination to minimize the required distribution costs. GVRP is a generalization of VRP, so the point of the graph is partitioned into several sets of specific points, called clusters [2]. In this research, modification of GVRP model for multi-capacity vehicle case can determine the route and minimize the cost of distribution. Taken case on UD. Damai Asih for the distribution of Madura writes batik to 25 districts in East Java. From the results of running using MATLAB 7.8.0 obtained the efficiency of the distribution cost of 8.71% of the initial cost before doing the clustering based on distance and maximum capacity of the car of Rp. 6,969,480.00. After the filtering based on the distance and maximum capacity of the car obtained a cost of Rp. 6.365.500.00. The highest value of efficiency is obtained in cluster four, while the lowest efficiency value is obtained in cluster eight. The existence of cost efficiency is due to the different mileage in the clustering process.

Pemodelan Akreditasi SMK di Provinsi Banten dengan Menggunakan Logika Fuzzy Metode Mamdani Syamsuri Syamsuri; Indiana Marethi
Jurnal Matematika MANTIK Vol. 4 No. 1 (2018): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

This article aims to describe an accreditation model of vocational schools in Banten province that accredited for 2009-2011 using method of Mamdani of fuzzy logic. The data used were obtained from Banten Accreditation Board for Schools/Madrasah (BAP-S/M), 275 expertise in vocational programs are accredited by the BAP-S/M Banten during 2009-2011. In the accreditation model using fuzzy logic assumes that: (1) there are strong correlation among content standards, process standards, competency standards, and assessment standards, so that we use score of process standards in modelling, (2) Standard educators and staff, as well as management standard strongly correlated, so that we choose educators, and (3) standards of infrastructure and financing have strong correlation, so that only one representing one standard, namely : standard of infrastructure. The model can be used in predicting the outcome of a vocational accreditation by just looking scores from the process standard, educators standard, and infrastructures standard. The resulting models have about 68% accuracy rate.

Penerapan Non-Linier Support Vector Machine pada Penggunaan Alat Kontrasepsi di Provinsi Maluku Utara Muhamad Budiman Johra
Jurnal Matematika MANTIK Vol. 4 No. 2 (2018): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

The objective of BKKBN is to reduce the rate of population growth because the high population growth rate causes a high population quantity as well. According to the Departemen Kesehatan RI (2013), married women aged 15-49 years who are not use contraseption mostly in eastern Indonesia, one of them is Provinsi Maluku Utara. According to BKKBN Provinsi Maluku Utara, the birth rate increased from 57.4 to 57.9. This happens because many KB participants are drop out, contraceptive failure and side effects, the need for family planning is served 9.1 in 2007 to 8.5 in 2012 with a target of 5 in 2014. Therefore, it important to know determinant factors that affect women to use contraceptives. There are several methods in the classification, one of which is the Support Vector Machine (SVM). SVM has advantages over other classification methods because the Support Vector Machine not only minimizes errors in the trainset, but also has a high generalization capability. This is reflected in maximal margin selection. This study shows the Support Vector Machine can describe the decision of women to use contraception or not. The best kernel in this study is a radial base kernel with cost 1 and gamma 0.14286.

Pemodelan Tingkat Okupansi Penumpang Kereta Api dari Surabaya dengan Metode S-Sur (Spatial-Seemingly Unrelated Regression) Kuzairi Kuzairi; Anwari Anwari; Fariz Fadillah Mardianto
Jurnal Matematika MANTIK Vol. 4 No. 1 (2018): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

Kereta api merupakan sarana transportasi yang populer di Pulau Jawa yang terdiri dari kelas ekonomi, bisnis atau ekonomi plus, dan eksekutif. Tingkat okupansi dari masing-masing kelas untuk jurusan yang sama juga berbeda. Tingkat okupansi penumpang kereta api yang berangkat dari Surabaya menarik untuk diteliti karena ruang lingkup asal penumpang lebih luas daripada penumpang kereta di Jabodetabek. Asal penumpang kereta api di Surabaya tidak hanya penumpang yang berasal atau memiliki kepentingan di kota Surabaya saja melainkan kabupaten dan kota disekitarnya, sampai Pulau Madura. Dalam penelitian ini dilakukan prediksi tingkat okupansi penumpang kereta api untuk tiap kelas berdasarkan faktor-faktor yang berpengaruh terhadap tingkat okupansi semua kereta api lintas kota yang berangkat dari Stasiun Surabaya Gubeng, dan Pasar Turi menggunakan metode Spatial-Seemmingly Unrelated Regression (S-SUR). Metode S-SUR digunakan karena mampu mengakomodasi efek spasial pada seluruh pengamatan. Penelitian ini terdiri atas 30 pengamatan rute tujuan dari Surabaya, 8 prediktor, dan 3 respon yang saling berkorelasi spasial berdasarkan pengujian Morans I. Hasilnya adalah prediktor yang berpengaruh signifikan terhadap tingkat okupansi penumpang kereta api untuk semua kelas yaitu prediktor yang terkait dengan kependudukan.

Analisis Angka Harapan Lama Sekolah di Indonesia Timur Menggunakan Weighted Least Squares Regression Arifin M Kahar
Jurnal Matematika MANTIK Vol. 4 No. 1 (2018): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

Human Development Index (HDI) is one of the data and information used by the local government to measure the achievement of human development with the basic components of quality of life that is life expectancy that represents health dimension, expected years of schooling (EYS) and mean years of schooling (MYS) represents the educational dimension, and purchasing power parity that represents decent living dimension. HDI especially in eastern Indonesia in the last three years has continued to increase but the figure is always below from the national figure even left behind if compared with West Indonesia. One dimension that is still low achievement is the educational dimension. EYS is one of the indicators on the educational dimension that is still a low achievement. Therefore, this research would like to know the influence of percentage of poor people, Gross Regional Domestic Product (GRDP) per capita, net enrollment rate (NER) of junior high school, and a ratio of educational facilities to EYS in eastern Indonesia. Using Weighted Least Squares (WLS) method concluded that the four predictor variables used were able to influence EYS in Eastern Indonesia.

Text Mining dengan K-Means Clustering pada Tema LGBT dalam Arsip Tweet Masyarakat Kota Bandung Eko Yulian
Jurnal Matematika MANTIK Vol. 4 No. 1 (2018): Mathematics and Applied Mathematics
Publisher : Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya

The movement of LGBT is growing rapidly through social media so that LGBT ideas can be freely expressed. The tweeter is one of the media that is often used for that purpose. Comments or "cuitan" about LGBT on twitter certainly many in number. The amount of information available in cyberspace makes development efforts to extract information from online databases rapidly, one of which is text mining. One of the statistical techniques that can be used to utilize the results of text mining is clustering. Clustering used in this study is K-Means clustering. This study uses 5 clusters to group comments on The twitter associated with LGBT in the city of Bandung. Of the five clusters formed in the K-means process, it is found that the tendency of Tuet Tweeter users of LGBT related bands in general, is still related to the religious perspective which is marked by the emergence of the word religion very often.

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Mathematics Department, Faculty of Science and Technology UIN Sunan Ampel Surabaya Jl. A. Yani no 117 Surabaya, Jawa Timur, Indonesia

Location
Kota surabaya,

Jawa timur

INDONESIA