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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Participative Journal (PJ) : Jurnal Pengabdian Pada Masyarakat International Journal of Computing Science and Applied Mathematics-IJCSAM
Afifurrahman Afifurrahman
Universitas Islam Negeri Mataram
Religion Humanities Computer Science & IT Education Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Menanamkan rasa tenggang rasa antar umat beragama di Desa Pemenang Barat, Lombok Barat Afifurrahman Afifurrahman; Zakaria Zakaria; Muhammad Syawahid
Participative Journal: Jurnal Pengabdian Pada Masyarakat Vol 3 No 1 (2023): Participative Journal
Publisher : State Islamic University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55099/participative.v3i1.68

Abstract

Pemenang Barat Village is one of the villages from the Pemenang sub-district which is classified as advanced and developing, marked by one of its livelihoods being obtained from tourism. The village of Pemenang Barat is also a village that adheres to three religions, namely Islam, Hinduism, and Buddhism. These three people from the past have never had friction because they have been bound by the word 'Mempolong' which means the bond of brotherhood. The purpose of this service is to continue to maintain inter-religious harmony in the village of Pemenang Barat, Pemenang sub-district, North Lombok district by conducting the Mempolong Pemenang Conference. The research method that the author uses is the PAR (Participatory action research) method, this method model is that we as researchers are actively involved in finding the problem, finding solutions, and actively participating in activities to overcome these problems. The service participants came up with a solution by uniting activists, religious leaders, and cultural figures in the Conference of Mempolong Pemenang.
Model for Coupling Scheme and its Impact on Neurons Behaviour Afifurrahman Afifurrahman
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.v11i1.19964

Abstract

Collective oscillations is typical phenomena observed in the systems biology including neurons. Investigating the mechanisms for which it occurs in neural networks evokes a significant interest among neuroscientists. From mathematical point of view, the coupling schemes rule the neuron’s behaviours ranging from microscopic to macroscopic scales. This paper aims to study the impacts of coupling schemes in a minimal network of two fully coupled identical oscillators (e.g., neurons). We proceed with the research by employing the numerical approach and time-series analysis. We consider both Kuramoto-like oscillator and Leaky integrate-and-fire neuron as the objects of study. In the former case, we found the phase of two oscillators are perfectly locked and stable if their frequency are identical, as stated by the main theorem. In the latter case, the membrane potentials of two neurons are perfectly synchronized, characterized by the same firing rate, due to the effect of excitatory delta pulses.
ETNOMATEMATIKA MOTIF SONGKET LOMBOK DAN IMPLIKASINYA PADA PENDIDIKAN STEM Afifurrahman Afifurrahman; Parhaini Andriani
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 13, No 4 (2024)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v13i4.8959

Abstract

Selama beberapa tahun terakhir, etnomatematika khususnya di Indonesia didominasi oleh kajian tentang eksplorasi konsep serta aktivitas matematis pada hasil budaya lokal namun minim manifestasi dalam konteks pembelajaran. Etnomatematika belum banyak menyentuh aspek-aspek pendidikan matematika formal termasuk problematika yang muncul. Pada penelitian ini suatu objek fraktal dirancang berdasarkan pola motif pada songket Lombok serta bentuk implikasinya dalam pembelajaran berbasis etno-STEM. Penelitian ini merupakan penelitian pengembangan yang menggunakan model ADDIE. Penelitian ini terdiri atas tiga tahapan yaitu analysis, design dan develop dimana tahap design terdiri atas dua fase, yaitu: fase pengembangan objek fraktal berdasarkan motif songket Lombok dan fase pengembangan bahan ajar berbasis etno-STEM. Hasil penelitian ini menunjukkan bahwa motif songket Lombok dapat digunakan sebagai pola dasar dalam perancangan suatu objek fraktal. Aplikasi MATLAB digunakan untuk memvisualisasikan objek fraktal tersebut. Adapun bahan ajar berbentuk slide PowerPoint dan lembar  kerja mahasiswa memuat kaidah-kaidah geometri transformasi pada bidang, transformasi affine 2-dimensi dan penerapannya untuk merancang model matematika dari objek fraktal. Hasil uji validitas oleh dua orang ahli menunjukkan bahwa bahan ajar telah dinyatakan valid serta dapat digunakan pada tahap uji coba lapangan di masa mendatang.
Analysis of Human Development Index in West Nusa Tenggara Province with Spatial Panel Model Alfira Mulya Astuti; Afifurrahman Afifurrahman; Habibi Ratu Perwira Negara
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol. 10 No. 2 (2024)
Publisher : LPPM Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24775401.ijcsam.v10i2.4599

Abstract

The purpose of this article is to examine the factors that influence the human development index (HDI) in West Nusa Tenggara using a spatial panel model. This research is crucial because it can analyze correlations between regions and is more efficient, informative, and effective in HDI modeling. The data structure is panel data, where observation units are the cities and regencies in West Nusa Tenggara Province for 2010 to 2022. A human development index serves as the dependent variable. The independent variables were per capita expenditure, average length of school, length of school expectations, and life expectancy. The Rook contiguity and the customized matrix (transportation routes) are used to examine geographical impacts. The results of the analysis indicate: 1) there are spatial linkages between districts and cities in West Nusa Tenggara; 2) the SAR Fixed Effect model is the most appropriate spatial model to model the human development index; 3) the human development index can be improved simultaneously by factors such as life expectancy, expected length of schooling, average length of schooling, and per capita expenditure; and 4) life expectancy is the main factor affecting the human development index.
Co-Authors Alfira Mulya Astuti Habibi Ratu Perwira Negara Parhaini Andriani Syawahid, M Zakaria Zakaria