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Rudianto Artiono
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The Department of Mathematics, The first floor of C-8 Building, Faculty of Mathematics and Natural Sciences, Universitas Negeri Surabaya Jl. Ketintang, Surabaya 60231, East Java, Indonesia
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MATHunesa: Jurnal Ilmiah Matematika
Published by Universitas Negeri Surabaya
ISSN : 23019115     EISSN : 2716506X     DOI : https://doi.org/10.26740/mathunesa
Core Subject : Education,
Mathematics
MATHunesa is a mathematical scientific journal published by the Department of Mathematics, Faculty of Mathematics and Natural Sciences, The State University of Surabaya with e-ISSN 2716-506X and p-ISSN 2301-9115. This journal is published every four months in April, August, and December. One volume consists of three publication numbers. MATHunesa aims at providing a platform and encourages emerging scholars and academicians globally to share their professional and academic experiences to explore, but not limited to the following topics: 1. Analysis Mathematics, 2. Algebra, 3. Applied Mathematics, 4. Statistics, 5. Computation, 6. Combinatorics, and 7. Also giving an opportunity to show the power of innovation and finding new things in the field of mathematics. This journal was published online for the first time in 2013 as part of the graduation for students majoring in Mathematics at the State University of Surabaya.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 694 Documents
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PEWARNAAN LOKAL SISI ANTI-AJAIB TOTAL PADA GRAF PAYUNG Rosyidah, Khusnul; Desi Febriani Putri; Hardina Sandariria
MATHunesa: Jurnal Ilmiah Matematika Vol. 14 No. 1 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v14n1.p445-452

Abstract

PENGARUH LUAS PANEN DAN PRODUKTIVITAS PADI TERHADAP PRODUKSI PADI DI PROVINSI KEPULAUAN BANGKA BELITUNG TAHUN 2018-2024 Khoirun Laili Nur Amaliah; Raldo, Alfio; Fitria, Arini; Fathir, Bagastama Iqbalil; Kustiawan, Elyas; Akbar, Ridho
MATHunesa: Jurnal Ilmiah Matematika Vol. 14 No. 1 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v14n1.p477-484

Abstract

Food security is one of the important issues in national development. In Indonesia, rice plays a role as the main commodity providing rice for the Indonesian people. Rice production in the Bangka Belitung Islands Province has shown a positive trend over the past few years. This study aims to analyze the effect of harvested area and productivity on rice production in the Bangka Belitung Islands Province. The data used are panel data of districts/cities in the Bangka Belitung Islands Province with a monthly period. The analysis method used is panel data regression with the help of EViews software. Based on the results of the Chow, Hausman, and Lagrange (LM) multiplier tests, the best model obtained is a random effects model with an estimated result of . The coefficient of determination (R²) value of 0.925579 indicates that 92.56% of the variation in rice production can be explained by harvested area and productivity, while the remaining 7.44% is explained by other variables outside the model. These results confirm that harvested area and productivity play an important role in increasing rice production in Bangka Belitung and can be a reference for local governments in formulating policies to improve food security. Keywords: Harvested Area, Rice Production, Productivity, Random Effect, Panel Data Regression.
PERBANDINGAN AKURASI MACK CHAIN LADDER DAN BENKTANDER DALAM ESTIMASI CADANGAN KLAIM MARINE AND AVIATION INSURANCE Aryani, Firma
MATHunesa: Jurnal Ilmiah Matematika Vol. 14 No. 1 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v14n1.p453-463

Abstract

Estimasi cadangan klaim merupakan tantangan utama bagi perusahaan asuransi karena ketidakpastian klaim di masa depan. Pada sektor kelautan dan penerbangan, estimasi cadangan klaim sangat dibutuhkan karena seringkali dipengaruhi akibat bencana alam ataupun faktor cuaca. Pada penelitian ini menggunakan metode Mack Chain Ladder dan Benktander dalam menghitung estimasi cadangan klaim pada asuransi kelautan dan penerbangan dengan tujuan untuk membandingkan hasil akurasi dari kedua metode tersebut. Penelitian ini menggunakan pendekatan kuantitatif dengan data berupa data klaim historis pada sektor kelautan dan penerbangan tahun 2018-2022. Hasilnya metode Benktander merupakan metode yang paling baik dibandingkan dengan metode Mack Chain Ladder berdasarkan hasil akurasinya yang dihitung menggunakan prediksi eror MSE.
KONTROL OPTIMAL PADA MODEL EPIDEMIK PENYAKIT DEMAM BERDARAH DENGUE DI PROVINSI NUSA TENGGARA BARAT Robbaniyyah, Nuzla Af'idatur; Alfian, Muhammad Rijal; Syifa, Aulia
MATHunesa: Jurnal Ilmiah Matematika Vol. 14 No. 1 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v14n1.p485-496

Abstract

Dengue haemorrhagic fever (DHF) is one of the dangerous and high-risk diseases in Indonesia. West Nusa Tenggara Province is one of the regions in Indonesia that is often reported to have a high number of DHF cases. In this research, SIR-SI disease transmission model of DHF is constructed with control in the form of the 3M program and treatment. The purpose of this research is to minimize the number of infected individuals and minimize the cost of control provided. The method used in this research is Pontryagin's minimum principle to determine the optimal control and forward-backward fourth order Runge-Kutta method to obtain the numerical solution. Based on the results and simulations research that has been conducted, it was obtained that the system is unstable at disease-free equilibrium point and asymptotically stable at endemic equilibrium point. Furthermore, with the implementation of control such as the 3M program and treatment effectively minimize the number of infected individuals while keeping the cost of control provided for 90 days.

Page 70 of 70 | Total Record : 694

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