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Zeta - Math Journal
Published by Universitas Islam Madura
ISSN : 24599948     EISSN : 25795864     DOI : -
Core Subject : Education,
Mathematics
Zeta - Math Journal is a mathematical journal published twice a year by the Mathematics Department, Faculty of Mathematics and Science, Islamic University of Madura. Journal includes research papers, literature studies, analysis, and problem solving in Mathematics (Algebra, Analysis, Statistics, Computing and Applied). It cordially invites contributions from researcher, lecturer, and teacher of related disciplines. The language used in this journal is Indonesian and English.
Arjuna Subject : -
Articles 98 Documents
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Penerapan Metode Goal Programming Dalam Mengoptimalkan Pendistribusian Gas LPG di SPPBE Tlanakan Sofiyanto, Sofiyanto; Yulianto, Tony; Faisol, Faisol
Zeta - Math Journal Vol 6 No 2 (2021): November
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2021.6.2.48-53

Abstract

PT. Gas Madura Pratama Tlanakan merupakan salah satu cabang PT. Pertamina yang bergerak dalam bidang pengangkutan dan pengisian LPG. PT. Gas Madura Pratama bertanggung jawab untuk memaksimalkan penyaluran LPG di Kabupaten Pamekasan. Selain memaksimalkan penyaluran, PT. Gas Madura Pratama juga harus meminimumkan biaya dan waktu yang dibutuhkan selama proses pengisian dan penyaluran LPG. Untuk mencapai tujuan tersebut dibutuhkan suatu metode yang dapat menyelesaikan persoalan dengan tujuan lebih dari satu yaitu metode Goal Programming. Berdasarkan hasil optimasi, biaya produksi yang dapat dikeluarkan oleh perusahaan maksimal dapat mencapai Rp.9.232.075.000, dan minimal sebanyak tidak terhingga. Pendapatan maksimal yang mungkin dapat diperoleh oleh perusahaan sebanyak Rp.114.879.800.000, dan minimal sebanyak nol. Sedangkan biaya produksi yang dikeluarkan oleh perusahaan sebelum menggunakan Goal Programming adalah Rp.11.969.709.284, dan pendapatan yang diperoleh perusahaan adalah Rp.114.879.838.000. Sehingga keuntungan yang dihasilkan oleh perusahaan ketika tidak menggunakan Goal Programming adalah Rp.102.778.860.880, dan ketika menggunakan Goal Programming penghasilan yang didapatkan perusahaan adalah Rp.105.647.725.000, jadi keuntungan perusahaan lebih besar ketika perusahaan menggunakan Goal Programming.
Analisis Faktor untuk Memotivasi Sekolah di Madura Terhadap Tenaga Pengajar Kimia yang Sesuai Lulusan Menggunakan Fuzzy Logistik Regresi Nurfitriyah, Luluk; Yulianto, Tony; Mardianto, M. Fariz Fadillah
Zeta - Math Journal Vol 6 No 2 (2021): November
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2021.6.2.62-66

Abstract

Analisis faktor dengan menggunakan metode fuzzy logistik regresi merupakan penelitian yang dapat memberikan perkiraan probabilitas suatu hasil, biasanya ditetapkan sebagai “keberhasilan” sangat diharapkan bahwa probabilitas keberhasilan diperkirakan mendekati probabilitas sebenarnya. Dalam model fuzzy logistik regresi diestimasi dengan metode estimasi kemungkinan maksimum, model fuzzy logistik regresi menggunakan beberapa pengujian. Penelitian ini bertujuan untuk mengetahui prediksi minat sekolah terhadap tenaga pengajar yang mengajar sesuai dengan kelulusannya khususnya di bidang kimia. Hasil akhir dari beberapa pengujian yang telah dilakukan maka mendapatkan nilai MDM yang lebih besar bersesuaian dengan”goodness-of-fit”yang bernilai 0.8220 berarti sangat baik untuk diterapkan pada memprediksi data.
Penentuan Strategi Pemasaran dari Penjualan Air Minum Dalam Kemasan Lokal dan Nasional Menggunakan Metode Fuzzy Shapley Value Hasanah, Nurul; Yulianto, Tony; Yudistira, Ira
Zeta - Math Journal Vol 6 No 2 (2021): November
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2021.6.2.54-61

Abstract

Air minum dalam kemasan (AMDK) adalah air baku yang telah melalui sebuah proses sterilisasi, dikemas, dan aman untuk diminum mencakup air mineral dan air demineral. Beberapa tahun terakhir ini penjualan AMDK di Indonesia berkembang sangat pesat sehingga perlu diadakannya penentuan strategi pemasaran dari penjualan AMDK lokal dan nasional. Penjualan merupakan salah satu indikator paling penting dalam sebuah perusahaan, bila tingkat penjualan yang dihasilkan oleh perusahaan tersebut besar, maka laba yang dihasilkan perusahaan itupun akan besar pula, sehingga perusahaan dapat bertahan dalam persaingan bisnis dan bisa mengembangkan usahanya baik itu AMDK lokal ataupun nasional. Metode yang dapat digunakan dalam penentuan strategi pemasaran AMDK lokal dan nasional adalah metode fuzzy Shapley Value. Dan dari hasil penerapan metode Fuzzy Shapley Value dengan menggunakan persentase penjualan adalah 25%, desain 32% dan harga 43%, harga memiliki nilai fuzzy shapley value terbesar dalam menentukan strategi pemasaran dari penjualan air minum dalam kemasan lokal ataupun nasional. Jadi, hasil harga ini dapat dijadikan pedoman strategi pemasaran dalam memberikan penilaian terhadap produk air minum dalam kemasan lokal dan nasional.
Penerapan Teori Permainan Dalam Menentukan Strategi Pemasaran Batik di Kecamatan Proppo Kabupaten Pamekasan Mamdudah, Siti; Kuzairi, Kuzairi; Mardianto, M. Fariz Fadillah
Zeta - Math Journal Vol 7 No 1 (2022): Mei
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.1.28-33

Abstract

Batik is a form of handicraft that has high artistic value and has become a global Indonesian culture. The expansion of batik products will lead to rapid competition between the batik market, so that batik companies must have an optimal marketing strategy. To find the optimal marketing strategy, this research applies game theory as a direction for optimizing marketing strategy results by collecting data from batik sales through exhibition promotions, online and personal selling. The results showed that the optimal strategy at the Mj-Abe Store lies in the second strategy, namely personal selling promotion. The optimal strategy for Ragiel Batik Stores lies in the third strategy, namely personal selling promotion. The optimal strategy for Toko Kurnia Batik lies in the first strategy, namely exhibition promotion. Finally, the optimal strategy for the Bintang Abadi Store lies in the first strategy, namely exhibition promotion.
Optimalisasi Produksi Pada Industri Tahu Menggunakan Model Linear Programming Faruk, Ainul
Zeta - Math Journal Vol 7 No 1 (2022): Mei
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.1.42-46

Abstract

Tofu is a source of nutrition that is affordable by all people. In addition, processed soybean-based foods are also very popular with the wider community. As for tofu, there are many problems in the problem, one of which is the problem of maximizing the process of making processed soybeans to achieve maximum profit. Therefore, this research was conducted using a linear programming model using the simplex method so that the optimal results obtained from this study were tofu as many as 241 boards and tempeh 250 seeds with a maximum profit of Rp. 1,577,770.
Analisis Cluster Untuk Pengelompokkan Prestasi Mahasiswa Angkatan 2013 Fakultas MIPA Universitas Islam Madura Zaifullah, Zaifullah; Yulianto, Tony
Zeta - Math Journal Vol 7 No 1 (2022): Mei
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.1.1-10

Abstract

Student achievement is a person's mastery of certain knowledge or skills in a course, which is obtained from test scores or numbers given by the lecturer. Many factors affect student achievement, including parents' income, pocket money, distance to campus, length of time studying, student side jobs, and the existence of learning aids. Therefore, a research will be conducted using cluster analysis for grouping student achievement in the hope of mapping students so that it is easier for lecturers to teach students. In this case, four cluster analysis methods are used, namely single linkage, complete linkage, average linkage and k-means. Where the best grouping is obtained with the icdrate, namely average linkage. The results of the average linkage method obtained that the two groups were the lowest of the other five groups who had to get more guidance from other groups.
Pengenalan Kepribadian Seseorang Melalui Bentuk Tulisan Tangan Menggunakan Metode Radial Basis Function Neural Network (RBFNN) Magfiroh, Alfin
Zeta - Math Journal Vol 7 No 1 (2022): Mei
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.1.34-41

Abstract

Humans are created with a variety of different characters and characters, so that the personality that is formed is very diverse according to the character and character of each person. With a variety of personalities, it appears that there are differences in quality and quantity between humans from one another in the view of society. There are various ways to get to know a person's personality, one of which is through handwriting with specific letters of the alphabet. In this study, handwriting is limited to the letter 't' only and has been generated from 26 images of 't' training which were previously processed using the PCA method, there are 10 images according to the type 't' 1 and 16 images according to the type 't ' 2nd and no image matches the 3rd 't' type.
Strategi Pemasaran Produk Sepeda Motor Honda Menggunakan Fuzzy Teori Permainan Adabawiyah, Robiatul
Zeta - Math Journal Vol 7 No 1 (2022): Mei
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.1.11-18

Abstract

Honda motorcycles are a means of transportation that are inexpensive and more flexible than other means of transportation. Honda motorcycles themselves are the choice of consumers, because of their fuel economy, smooth engine sound, and good quality spare parts. Intense market competition has become a necessity in the business world (business). Companies must think of optimal marketing strategies and concepts based on consumer ratings of Honda motorcycles. The uncertainty of consumer assessment of the products used is interpreted using fuzzy. Determination of marketing strategy is done by using game theory. So that the most optimal strategy in the game is won by the exhibition promotion strategy.
Prediksi Jumlah Pengunjung Semarang Zoo dengan Metode Fuzzy Time Series Marzuqi, Muhammad; Tafrikan, Mohammad; Maslihah, Siti
Zeta - Math Journal Vol 7 No 1 (2022): Mei
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.1.19-27

Abstract

Forecasting is a very important element in making decisions to deal with uncertain situations. The purpose of this study is to determine the results of forecasting using the fuzzy time series method so that it can be used as a basis for the Semarang Zoo management in planning development. This study uses secondary data from PT Taman Satwa Semarang. Data on the number of visitors to the Semarang Zoo from January 2017 to December 2021. The steps in this research are formulating problems, collecting data, analyzing data, and drawing conclusions. The calculation technique is carried out in two ways, namely manually and using the RStudio application. The result of this research is that the prediction results for January 2022 are 34,640 for manual calculations and 34,430 for calculations using the Rstudio application. While the MAPE test results obtained 14.15% for manual calculations and 15.082% for calculations using the Rstudio application. . Keywords: forecasting, fuzzy time series, number of visitors
Penerapan Metode Electre Pada Studi Kasus Pemilihan Sepeda Motor Matic Suyibah, Suyibah; Kuzairi, Kuzairi
Zeta - Math Journal Vol 7 No 2 (2022): November
Publisher : Universitas Islam Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31102/zeta.2022.7.2.53-56

Abstract

The need for transportation is an absolute thing in today's life, almost all people today already have a means of transportation, most of which are motorbikes. With the development of today's technology, motorcycles have made some progress, such as in terms of transmission. For example, on automatic motorbikes whose transmissions are produced manually, there are many variations of automatic motorbikes such as: Beat, Vario, Scoopi and Space. In choosing an automatic motorcycle, of course, consumers want to get the best and right choice. Almost all consumers want automatic motorcycles that are affordable, fuel efficient and comfortable to use. Therefore, we need a decision support system that can assist consumers in choosing the best automatic motorcycle according to consumer desires. This decision support system uses the electre method as a process in determining the best motorbike so that the results are that vario and scoopi dominate more than beat and space.

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