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All Journal Jurnal Ilmu Dasar JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Sainstek SAINSMAT Jurnal Sains Dasar CAUCHY: Jurnal Matematika Murni dan Aplikasi Jurnal Pendidikan Matematika RAFA Edu Sains: Jurnal Pendidikan Sains dan Matematika JMPM: Jurnal Matematika dan Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan Jambura Journal of Mathematics Transformasi : Jurnal Pendidikan Matematika dan Matematika Vygotsky: Jurnal Pendidikan Matematika dan Matematika MES: Journal of Mathematics Education and Science (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jambura Journal of Mathematics Education Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Jambura Journal of Biomathematics (JJBM) JAMBURA JOURNAL OF PROBABILITY AND STATISTICS Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi International Journal of Health, Economics, and Social Sciences (IJHESS) Griya Journal of Mathematics Education and Application Journal of Science and Technology JES-MAT (Jurnal Edukasi dan Sains Matematika) Pakem : Jurnal Pengabdian Kepada Masyarakat Journal of Fundamental Mathematics and Applications (JFMA) Research in the Mathematical and Natural Sciences SAINSMAT: Jurnal Ilmiah Ilmu Pengetahuan Alam Journal of Artificial Intelligence and Digital Business Euclid Jurnal Matematika Integratif Lemma: Letters of Mathematics Education Hexagon: Jurnal Ilmu dan Pendidikan Matematika Indonesian Journal of Computational and Applied Mathematics
Lailany Yahya
Jurusan Matematika, FMIPA, Universitas Negeri Gorontalo
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Perbandingan Fuzzy Time Series Lee untuk Meramalkan Nilai Tukar Petani di Provinsi Gorontalo Alvitha Habibie; Lailany Yahya; Isran K. Hasan
Jambura Journal of Probability and Statistics Vol 4, No 1 (2023): Jambura Journal Of Probability and Statistics
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jjps.v4i1.17453

Abstract

Gorontalo Province is one of the provinces in Indonesia where 60% of the population are farmers and fishermen. As much as 28,66% of PDRB in Gorontalo Province in 2020 was contributed by the agricultural sector. Farmer's Exchange Rate is a measurement capability of agricultural products in producing goods or services. Therefore, NTP forecasting is needed so that it becomes a reference in the future in making a decision to increase the agricultural sector. In this study, a comparison was made of the Holt Winters Exponential Smoothing method with Lee's Fuzzy Time Series to find out which is the best forecasting method for predicting NTP in Gorontalo Province. Based on the forecasting results, the accuracy value obtained from FTS Lee has a mape value of 0,65557% for FTS Lee order 1 and 0,55607%. While the accuracy value obtained by the multiplicative Holt Winters Exponential Smoothing is 5.92509% and the additive Holt Winters Exponential Smoothing is 6,14574%. From the forecasting results obtained, it can be concluded that the best method for predicting NTP in Gorontalo Province is the FTS Lee Order 2 method. 
Total Rainbow Connection Number of Corona Product of Book Graph(Bn) and Pencil Graf(Pcm) Randi Mooduto; Lailany Yahya; Nisky Imansyah Yahya
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 12, No 2 (2023): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat122423112023

Abstract

Let G be a simple and finite graph. Rainbow connection and total rainbow connection c are set c : G → {1,2,. . . , k} where k is the minimal color on graph G. A rainbow connection number(rc) is a pattern by giving different colors to the connection edges (E(G)) so that a rainbow path is formed. The total rainbow connection number (trc) is a payment pattern by giving color to vertices (V(G)) and edges (E(G)) in graph G so that a total rainbow path is formed. This article discusses rainbow connection numbers (rc) and total rainbow connection numbers (trc) in the corona graph of book graph (Bn) and pencil graph (Pcm). The results obtained are rc(Bn ⨀ Pcm) = 2n+3 and trc(Bn ⨀ Pcm) = 4n+5, 3 ≤ n ≤ 5.
Total Rainbow Connection Number of Corona Product of Book Graph(Bn) and Pencil Graf(Pcm) Randi Mooduto; Lailany Yahya; Nisky Imansyah Yahya
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 12, No 2 (2023): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat122423112023

Abstract

Let G be a simple and finite graph. Rainbow connection and total rainbow connection c are set c : G → {1,2,. . . , k} where k is the minimal color on graph G. A rainbow connection number(rc) is a pattern by giving different colors to the connection edges (E(G)) so that a rainbow path is formed. The total rainbow connection number (trc) is a payment pattern by giving color to vertices (V(G)) and edges (E(G)) in graph G so that a total rainbow path is formed. This article discusses rainbow connection numbers (rc) and total rainbow connection numbers (trc) in the corona graph of book graph (Bn) and pencil graph (Pcm). The results obtained are rc(Bn ⨀ Pcm) = 2n+3 and trc(Bn ⨀ Pcm) = 4n+5, 3 ≤ n ≤ 5.
Dinamika dan Stabilitas Populasi pada Model Penyebaran COVID-19 dengan Vaksinasi dan Migrasi Penduduk Resmawan Resmawan; Lailany Yahya; Agusyarif Rezka Nuha; Sri Meylanti S. Ali
Jambura Journal of Mathematics Vol 5, No 2: August 2023
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jjom.v5i2.19992

Abstract

This article discusses the mathematical model of the spread of COVID-19 by considering vaccination and population migration. The former model is analyzed by determining the equilibrium point, basic reproduction number, analyzing the stability of the equilibrium point, sensitivity analysis, and accompanied by numerical simulation. Analysis of the stability of disease-free and endemic equilibrium points using the Routh-Hurwitz Criteria and the Castillo-Chaves and Song theorems. The results of the analysis show that there are two equilibrium points, namely a disease-free equilibrium point (T1), which is locally asymptotically stable when R0 1, and an endemic equilibrium point (T2), which is locally asymptotically stable when R0 1. Furthermore, the sensitivity analysis showed that the most sensitive parameters to changes in the basic reproduction number were the emigration rate parameter (m2) and the infection probability parameter after contact between infected and susceptible individuals without vaccination (h). In addition, the numerical simulation results show that the sensitive parameter values, namely m2, h, zse, g, and # have a significant effect on the basic reproduction numbers. Suppressing the chance of infection in susceptible individuals and the rate of contact between susceptible and exposed individuals, as well as increasing the number of individuals who emigrate and who are vaccinated, can reduce the transmission of COVID-19.
Model Problem Based Learning: Efektivitasnya Dalam Meningkatkan Hasil Belajar Sistem Persamaan Linear Dua Variabel Hendro Budi Santoso; Lailany Yahya; Dewi Rahmawaty Isa
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi EULER: Volume 11 Issue 1 June 2023
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/euler.v11i1.18387

Abstract

This research is classroom action research. This study aims to improve student learning outcomes in the material system of two-variable linear equations. This research was conducted in class VIII SMP Negeri 3 Satap Tabongo, with 17 students as research subjects. Data collection is done by using observation and tests. Data analysis was carried out by looking at the average results of students who passed and the results of observations that reached the minimum good criteria. This research lasted for two cycles with results in the form of observations of teacher activities that increased from 73% to 88.5% in the good and very good categories. Furthermore, the results of student activities increased from 61.25 to 92% in the good and very good categories. As well as learning outcomes also increased from 58.82% to 88.2%. By looking at these results, it can be concluded that the Problem-Based Learning model can improve student learning outcomes in the matter of a two-variable linear equation system in class VIII SMP Negeri 3 Satap Tabongo.
MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MELALUI MODEL ACCELERATED LEARNING BERBANTUAN MEDIA INTERAKTIF Sitria Jemin; Tedy Machmud; Lailany Yahya
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 1 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i1.446

Abstract

This research aims to improve students’ mathematical problem solving abilities in quadratic equation material through an accelerated learning model assisted by interactive media. This classroom action research was conducted at SMP Negeri 8 Gorontalo City for the 2023/2024 academic year. The research subjects were 25 students in class IX-4. The data collection techniques used are observations and tests. This research lasted for 2 cycles. From the results of observations, teacher activities increased, from 67,31% in cycle I of 87,5% in cycle II with an increase 0f 20,19%. Furthermore, the results of observations of student activities increased, from 66,27% in cycle I to 85,41% in cycle II with an increase of 19,14%. Students’ mathematical problem solving abilities also increased from 56% in cycle I to 84% in cycle II with an increase of 28%. From the research above, it can be conclued that the accelerated learning model asissted by interactive media can improve students’s mathematical problem solving abilities in quadratic equation
Optimasi Portofolio Saham Indeks Bisnis 27 Menggunakan Model Black Litterman Disertai Perhitungan Value At Risk: Bahasa Indonesia Melasarah Deswita Rahmadi; Lailany Yahya; Agusyarif Rezka Nuha
Jurnal Matematika, Statistika dan Komputasi Vol. 21 No. 1 (2024): SEPTEMBER 2024
Publisher : Department of Mathematics, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/j.v21i1.36306

Abstract

An investment can provide a profit with a certain level of risk for an investor both now and in the future. This indicates that investments are important in both financial and asset management. Finance investments can be made on several stocks or portfolios. To profit from an investment, you need a tool to optimize profit and risk, which is a portfolio. This research uses the Black Litterman Model in portfolio optimization along with Value at Risk (VaR) calculations to determine the risk of each stock. The data used is close price data on the Business Index 27 for the period January-December 2023. Next, selected 9 shares in the formation of an optimal portfolio namely, AKRA, AMRT, ASII, BBCA, BBNI, BBRI, INKP, KLBF and TLKM. Based on the calculations, the rate of profit achieved on the portfolio is 5.48% with a risk of 0.40%. Then use the Historical Method and the Monte Carlo Simulation Method to calculate the VaR using nine optimal stocks, with a 95% confidence rate. In the Monte Carlo simulation, 300 repetitions of VaR calculations are performed. Different results on both methods are due to different approaches to risk calculation
Pengaruh Model Problem Based Leraning Pendekatan Metakognitif Terhadap Kemampuan Pemecahan Masalah Pada Materi Bangun Datar Segiempat di Kelas VII SMP Muhammadiyah Tilango Kaune, Nurlaila; Majid; Yahya, Lailany
Jurnal Pendidikan Matematika RAFA Vol 9 No 2 (2023): Jurnal Pendidikan Matematika RAFA
Publisher : Program Studi Pendidikan Matematika, Universitas Islam Negeri Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/jpmrafa.v9i2.22964

Abstract

This research aims to determine the effect of the problem based learning (PBL) model with metacognitive approach to problem solving ability on quadrilateral at seventh grade of junior high school students. The research method used is quantitative method with an experimental design, namely a posttest control design only. This research consisted of an experimental class with treatment using PBL model with metacognitive approach and control class with treatment using PBL model without metacognitive approach. The instrument in this research uses a mathematical problem solving ability test in the form of a description test. The results of research and information processing show that learning using PBL model with metacognitive approach has an influence on students' mathematical problem solving abilities. From the results of the inferential analysis of hypothesis testing using the two-sample t test, it can be seen that Ho is rejected and H1 is accepted because it meets the test criteria for tcount > ttable, 1.882 > 1.68195. So, it can be concluded that the mathematical problem solving ability of students who are taught using PBL model with metacognitive approach are higher compared to classes without metacognitive approach.
Improving students' problem-solving abilities by using geogebra learning media on three-dimensional material Ramadiana, Anastasya; Takaendengan, Bertu Rianto; Nurwan, Nurwan; Zakaria, Perry; Usman, Kartin; Yahya, Lailany
Edu Sains: Jurnal Pendidikan Sains & Matematika Vol 12 No 1 (2024): VOLUME 12 NOMOR 1 JUNI 2024
Publisher : IAIN Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23971/eds.v12i1.5802

Abstract

The COVID-19 pandemic has had an impact on the learning process in schools. For this reason, researchers observed learning at SMA Negeri 1 Gorontalo, it was found that students were still not optimal in solving mathematical problems, especially in formulating steps to solve problems. This research aims to improve students' problem-solving abilities by using GeoGebra on three-dimensional material. The research was carried out at SMA Negeri 1 Gorontalo in class XII IPA 5 from September to October of the 2022/2023 academic year with research subjects totaling 30 students. The research is Classroom Action Research (CAR) using the Kemmis and McTaggart model, which involves the stages of planning, action, observation, and reflection. Data was obtained from observation and written tests. Analysis of observation results was obtained by calculating scores for each aspect criterion observed both on the teacher observation sheet and the student observation sheet, while the written test was analyzed by referring to the minimum completeness criteria. The results of the research show that there is an increase in students' problem-solving abilities in three-dimensional material after taking action using the GeoGebra learning media.
Implementation of Cryptography Using the RSA (Rivest-Shamir-Adleman) Algorithm in Encoding Text Messages and Documents Sari, Septi Rahmita; Resmawan, Resmawan; Yahya, Nisky Imansyah; Yahya, Lailany
JOSTECH Journal of Science and Technology Vol 4, No 1: Maret 2024
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/jostech.v4i1.8280

Abstract

Cryptography can be used in prevent data, one of the preventive measures is by encoding messages. Cryptography is the study of encoding messages or ways of data protection. In encoding the content of messages, there is an algorithm conventionally used nowadays, the RSA (Rivest-Shamir-Adleman) algorithm. The RSA algorithm is a method that has two different keys for each encryption and decryption process but is still interrelated to maintain security in processing the data. In finding the key, the RSA algorithm utilizes the rule of prime number. The larger the prime number used as a key, the harder it is to find a large number as a factor. This research describes the process of encrypting text messages, the content of documents using the RSA algorithm, and the key generation process. Those processes are done by converting plaintext into ciphertext using ASCII code, which is 256 long, and using PKCS (Public Key Cryptography Standards) is the encryption process on the RSA algorithm. This study uses Pyhton programming language to implement the RSA algorithm on text messages and documents. As a recommendation to the subsequent studies, it is proper to use algorithms or other programming languages to secure messages.
Co-Authors Abdul, Nur Safitri Agusyarif Rezka Nuha Akolo, Ingka Rizkiyani Aliwu, Randa Resvitasari Alvitha Habibie Anisa, Lia Nur Anissa Dwi Wijayanti Armayani Arsal Barham, Siti Maryam Bertu Rianto Takaendengan Cindy Aisa Putri Noor D Une, Putri Mutia Dewi Rahmawaty Isa Djihad Wungguli Dotu, Fadila FAHREZAL ZUBEDI Franky Alfrits Oroh Gusasi, Dewita Harun, Artika Rahayu Hasan S. Panigoro Hendro Budi Santoso Herlina Jusuf Hidayanti, Sri Amalia Ibrahim, Rusdianto Ifan Wiranto Ilato, Mutiara Indrawati Lihawa Ingka Rizkiyani Akolo Ismail Djakaria Ismail, Minton Isran K Hasan Jusuf, Anryan Karina Anselia Mamonto Kartin Usman Kasim, Miranti H. Kasim, Rahmat Rajib Kaune, Nurlaila Kiayi, Fuji Fauzia Kobandaha, Putri Ekawaty La Ode Nashar Ladjali, Sri Indriani Laita, Nazrilla Hasan Lanto Ningrayati Amali Mahading, Tria Susilowati Mahmud, Sri Lestari Majid Masra Latjompoh Melasarah Deswita Rahmadi Moh Dody Afandi Rauf Mohamad, Regina mohammad syafri tuloli Muftih Alwi Aliu Nancy Katili Naue, Siti Nurmeylisya Nikmatisni Arsad NISKY IMANSYAH YAHYA Novianita Achmad Nurdin, Sri Ayu Nurhayati Abbas Nursiya Bito Nurwan Nurwan Nurwan, Nurwan Olii, Isran R. Pakaya, Revandi S. Perry Zakaria Posangi, Tiara Prasetyo Usman Putri Ayuningtias Mahdang Rahman, Yulinar Rahmi, Emli Ramadiana, Anastasya Randi Mooduto Rasmawati Rasmawati Rauf, Moh Dody Afandi Resmawan Resmawan Salmun K. Nasib Sari, Lia Nanda Sari, Septi Rahmita Sembiring, Rinawati Siti Nurmardia Abdussamad Sitria Jemin Sri Maryam Mohungo Sri Meylanti S. Ali Sumarno Ismail Syamsu Qomar Badu Taulia Damayanti Tedy Machmud Tiarawati, Ni Wayan Tria Susilowati Mahading Utina, Fitriani Windharta Oei, Smily Yusuf, Putria Zulmagfir Buako