ISSN 2086-0382 E-ISSN 2477-3344 CAUCHY Jurnal Matematika Murni dan Aplikasi Volume 6, Issue 4, May 2021 CAUCHY Vol. 6 No. 4 Pages: 162 – 308 Malang May 2021 ISSN 2086-0382 E-ISSN 2477-3344 𝜒 CAUCHY Jurnal Matematika Murni dan Aplikasi Volume 6, Issue 4, May 2021 ISSN : 2086-0382 E-ISSN : 2477-3344 CAUCHY is a mathematical journal published twice a year on May and November by the Mathematics Department, Faculty of Science and Technology, Universitas Islam Negeri Maulana Malik Ibrahim Malang. This journal includes research papers, literature studies, analysis, and problem solving in Mathematics (Algebra, Analysis, Statistics, Computing and Applied Mathematics). EDITORIAL BOARD Editor in Chief : Dr. Sri Harini, M.Si, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia. Managing Editor : Mohammad Jamhuri, M.Si, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia. Juhari, M.Si, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia. 1. Editorial Board : Prof Hadi Susanto, Department of Mathematical Sciences, University of 2. Essex and Department of Mathematics of Khalifa University, United Kingdom Mario Rosario Guarracino, Computational and Data Science Laboratory High Performance Computing and Networking Institute National Research Council of Italy, Italy Kartick Chandra Mondal, Jadavpur University, Salt Lake Campus, India Rowena Alma L. Betty, University of the Philippines Diliman, Philippines Subanar Seno, Gadjah Mada University, Indonesia Toto Nusantara, State University Of Malang, Indonesia Edy Tri Baskoro, Institut Teknologi Bandung, Indonesia Eridani Eridani, Airlangga University, Indonesia Abdul Halim Abdullah, University of Technology Malaysia, Malaysia Kusno, University of Jember, Indonesia Slamin, University of Jember, Indonesia Riswan Efendi, UIN Sultan Syarif Kasim Riau, Indonesia Arief Fatchul Huda, UIN Sunan Gunung Djati Bandung, Indonesia Usman Pagalay, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia Abdussakir, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia javascript:openRTWindow('http://ejournal.uin-malang.ac.id/index.php/Math/about/editorialTeamBio/272712') CAUCHY Jurnal Matematika Murni dan Aplikasi Volume 6, Issue 4, May 2021 ISSN : 2086-0382 E-ISSN : 2477-3344 EDITORIAL BOARD Ari Kusumastuti, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia Fachrur Rozi, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia Elly Susanti, Universitas Islam Negeri Maulana Malik Ibrahim Malang, Indonesia Assistant Editor : Mohammad Nafie Jauhari, M.Si, Maulana Malik Ibrahim State Islamic University of Malang, Indonesia. Editorial Office Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang Gajayana st. 50 Malang, East Java, Indonesia 65144 Phone (+62) 81336397956, Faximile (+62) 341 558933 e-mail: cauchy@uin-malang.ac.id CAUCHY Jurnal Matematika Murni dan Aplikasi Volume 6, Issue 4, May 2021 ISSN : 2086-0382 E-ISSN : 2477-3344 FOCUS AND SCOPE CAUCHY-Jurnal Matematika Murni dan Aplikasi is a mathematical journal published twice a year in May and November by the Mathematics Department, Faculty of Science and Technology, Maulana Malik Ibrahim State Islamic University of Malang. We we lc om e a u t h or s for original articles (research), review articles, interesting case reports, special articles illustrations that focus on the Mathematics Pure and Applied. Subjects suitable for publication include, but are not limited to the following fields of: 1. Actuaria 2. Algebra 3. Analysis 4. Applied 5. Computing 6. Econometry 7. Statistics CAUCHY Jurnal Matematika Murni dan Aplikasi Volume 6, Issue 4, May 2021 ISSN : 2086-0382 E-ISSN : 2477-3344 INDEXING AND ABSTRACTING CAUCHY-Jurnal Matematika Murni dan Aplikasi has been covered (indexed and abstracted) by following services: 1. DOAJ - (2016-,)(https://doaj.org/toc/2477-3344) 2. D i m e n s i o n s 3. Moraref - (2015-,)-(http://moraref.or.id/index.php/browse/index/36) 4. OneSearch Indonesia - (2015-,)-(http://onesearch.id/Search/Results?filter[]=repoId:IOS2732) 5. Mendeley - (2013-,)-(https://www.mendeley.com/groups/5034091/cauchy/papers/) 6. Indonesian Scientific Journal Database (ISJD) - (2013-,)-(http://isjd.pdii.lipi.go.id/index.php/Direktori- Jurnal.html) 7. Google Scholar - (2009-,)-(https://scholar.google.co.id/citations?hl=en&view_op=list_works&gmla=AJsN- F6OmoFBk7Q0o2Q-9- XUIMca1zI8OZ9Lp2EhCtubhL9dCisxNYH9sAiEAU0g0UDT8tyM6Jk3Z666Zu46VRsBYZ6Vjc2a_w&user=dr K-5HkAAAAJ) 8. IPI - (2009-,)-(http://id.portalgaruda.org/?ref=browse&mod=viewjournal&journal=5272) http://moraref.or.id/index.php/ http://onesearch.id/Search/Results http://www.mendeley.com/groups/5034091/cauchy/papers/ http://isjd.pdii.lipi.go.id/index.php/ http://id.portalgaruda.org/ CAUCHY Jurnal Matematika Murni dan Aplikasi Volume 6, Issue 4, May 2021 ISSN : 2086-0382 E-ISSN : 2477-3344 TABLE OF CONTENTS Selection of Specialization Class Using Support Vector Machine (SVM) Method in Sekolah Menengah Atas Negeri 1 Ambon ........................................................................ 162 – 168 Optimizing the Membership Degree of Fuzzy Inference System (FIS) and Fuzzy Clustering Means (FCM) in Weather Data Using Firefly Algorithm ....................... 169 – 180 Learning Interest of Poliwangi Students to Learn Mathematics Engineering Through MOOCs Using Dummy Regression .................................................................... 181 – 187 Stability Analysis of HIV/AIDS Model with Educated Subpopulation ......................... 188 – 199 Trace of Positive Integer Power of Squared Special Matrix ............................................ 200 – 211 Distance and Areas Weighting of GWR Kriging for Stunting Cases In East Java ..... 212 – 217 Spatio Temporal Modelling for Government Policy the COVID-19 Pandemic in East Java ........................................................................................................................................ 218 – 226 Dynamical of Ratio-Dependent Eco-epidemical Model with Prey Refuge................. 227 – 237 Poverty in Central Java using Multivariate Adaptive Regression Splines and Bootstrap Aggregating Multivariate Adaptive Regression Splines ........................ 238 – 245 Invertibility of Generalized Space-Time Autoregressive Model with Random Weight ............................................................................................................................................ 246 – 259 Analysis of The Rosenzweig-MacArthur Predator-Prey Model with Anti-Predator Behavior ........................................................................................................................................ 260 – 269 Bayesian Generalized Self Method to Estimate Scale Parameter of Invers Rayleigh Distribution ............................................................................................................... 270 – 278 Strongly Summable Vector-Valued Sequence Spaces Defined by 2-Modular .......... 279 – 285 Modeling Plant Stems Using the Deterministic Lindenmayer System ........................ 286 – 295 Regularized Ordinal Regression with Elastic Net Approach (Case Study: Poverty Modeling in Yogyakarta Province 2018) .......................................................................... 296 – 308