EIGEN MATHEMATICS JOURNAL

Eigen Mathematics Journal (ISSN Print 2615-3599 and ISSN Online 2615-3270) is a journal research managed by Department of Mathematics, Faculty of Mathematics and Natural Sciences, University of Mataram. Eigen disseminates new research results in all areas of mathematics as follows:

Mathematical Analysis
Applied Mathematics
Algebra
Statistics
Computational Mathematics
Graph Theory and Combinatorics

Besides research articles, this journal also receives survey papers that stimulate research in mathematics, statistics, and its applications. Eigen is an open journal access and all articles published are available both online and printed version every 2 times a year (June and December).

EIGEN has been indexed by :

Announcements

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Current Issue

Vol. 7 No. 2 (2024): December

View Vol. 7 No. 2 (2024): December

DOI: https://doi.org/10.29303/emj.v7i2

Published: 2024-09-20

Articles

Optimization of Classification Algorithms Performance with k-Fold Cross Validation

Moch. Anjas Aprihartha, Idham Idham

61-66
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Abstract View: 263, DOI : https://doi.org/10.29303/emj.v7i2.212
Nowcasting of Indonesia's Gross Domestic Product Using Mixed Sampling Data Regression and Google Trends Data

Niken Yuliana, Shashella Zelicha Ramadanty, Umu Arifatul Syifa, Fitri Kartiasih

67-80
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Abstract View: 137, DOI : https://doi.org/10.29303/emj.v7i2.187
Comparison of Several Univariate Time Series Methods for Inflation Rate Forecasting

Salfina Salfina, Yunissa Hernanda, Mega Silfiani

81-88
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Abstract View: 112, DOI : https://doi.org/10.29303/emj.v7i2.200
Algebraic Structures and Combinatorial Properties of Unit Graphs in Rings of Integer Modulo with Specific Orders

Sahin Two Lestari, Putu Kartika Dewi, I Gede Adhitya Wisnu Wardhana, I Nengah Suparta

89-92
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Abstract View: 200, DOI : https://doi.org/10.29303/emj.v7i2.235
Forecasting the Volatility of Tuna Fish Prices in North Sumatra using the ARCH Method in the Period January - April 2024

Riska Multiyaningrum, Ihsan Fathoni Amri, M. Al Haris, Havinka Angel Salsabilla, Heppy Nur Asavia Ginasputri, Salsabila Dhea Sintya

93-101
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Abstract View: 554, DOI : https://doi.org/10.29303/emj.v7i2.236
Application of the Average Based Fuzzy Time Series Lee Method for Forecasting World Gold Prices

Husnul Khotimah, Qurratul Aini, Nur Asmita Purnamasari

102-107
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Abstract View: 138, DOI : https://doi.org/10.29303/emj.v7i2.237
Mathematical Model of Differential Equations to Population Growth Models with Limited Growth in West Nusa Tenggara Province

Nuzla Af'idatur Robbaniyyah, Mutia Dewi Anjani, Ni Wayan Eka Lansuna, Ivan Luthfi Ihwani

108-112
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Abstract View: 122, DOI : https://doi.org/10.29303/emj.v7i2.223
The Decision on Selecting the Best Laptop Using Analytical Hierarchy Process and Simple Additive Weighting Method at the Faculty of MIPA University of Mataram

Rifdah Fadhilah, Lisa Harsyiah, Nuzla Af’idatur Robbaniyyah

113-120
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Abstract View: 856, DOI : https://doi.org/10.29303/emj.v7i2.231
Numerical Analysis of Mathematical Model for Diabetes Mellitus Disease by Using Adam-Bashfort Moulton Method

Nuzla Af’idatur Robbaniyyah, Salwa Salwa, Andika Ellena Saufika Hakim Maharani

121-129
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Abstract View: 92, DOI : https://doi.org/10.29303/emj.v7i2.245
Stock Portfolio Optimization Using Single Index Model (SIM) with Exponentially Weighted Moving Average (EWMA) Approach

Ainul Mutmainna, Nurwahidah Nurwahidah, Sri Dewi Anugrawati

130-138
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Abstract View: 143, DOI : https://doi.org/10.29303/emj.v7i2.247

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