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All Journal Jurnal Penelitian dan Evaluasi Pendidikan JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Pythagoras: Jurnal Matematika dan Pendidikan Matematika Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Elemen Al-Jabar : Jurnal Pendidikan Matematika REiD (Research and Evaluation in Education) Jurnal Penelitian Pendidikan IPA (JPPIPA) Educatio BAREKENG: Jurnal Ilmu Matematika dan Terapan International Education Trend Issues STATISTIKA BERBAKTI: Jurnal Pengabdian Kepada Masyarakat Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education Jurnal Pedagogi Matematika
Syukrul Hamdi
Universitas Negeri Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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APPLICATION OF MAMDANI FUZZY LOGIC IN REFRIGERATOR SELECTION Oktarina, Anisa Dwi; Abadi, Agus Maman; Hamdi, Syukrul
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 19 No 3 (2025): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol19iss3pp1681-1698

Abstract

Refrigerators are essential household appliances that preserve food freshness and optimize storage efficiency. Selecting a refrigerator requires careful consideration of factors such as price, capacity, and electricity consumption. This research applies the Mamdani-type Fuzzy Inference System (FIS) to recommend refrigerators based on these three criteria. Using a dataset of 82 refrigerator brands, this study implements fuzzification, rule formation, inference, and defuzzification, supported by MATLAB software. The results indicate that refrigerators with a normal price, medium capacity, and low power consumption are the most suitable choices. Based on the dataset, the Aqua AQR-415IM model meets these criteria. While this study confirms the effectiveness of fuzzy logic in structured decision-making, it does not quantitatively measure efficiency. Future research should explore alternative fuzzy logic methods, incorporate additional input variables, and consider demographic factors to enhance recommendation accuracy. Additionally, the Mamdani method can be adapted for broader applications in selecting other electronic products, contributing to both practical consumer guidance and theoretical advancements in fuzzy logic-based decision support systems.
Developing Bilingual Learning Multimedia in Integral Application Learning Material For Vocational School Rahim, Abdul; Hamdi, Syukrul; Arcana, I Nyoman
Al-Jabar: Jurnal Pendidikan Matematika Vol 11 No 2 (2020): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v11i2.6816

Abstract

ICT advancement can be utilized to improve the quality of education. In this globalization era, the millennial generation is demanded to be technology literate and fluent in English to compete in the global world considering that English has been established as an international language. Therefore, the integration of English into learning in the form of multimedia bilingual learning is needed. This study aimed to determine the feasibility, attractiveness, and effectiveness of bilingual learning multimedia on the integral application material for vocational schools. This research is research and development. Based on the results of validation and field trials, the developed bilingual mathematics learning media was in the feasible, interesting, and effective categories. The feasibility of the bilingual learning multimedia based on the material expert validation obtained an average of 4.6 and the media expert validation obtained an average of 4.9 which indicated that the developed product was in the feasible category. The attractiveness of bilingual mathematics learning multimedia based on students’ responses was 89% in the very interesting category. The effectiveness of the developed bilingual learning multimedia to improve students' mathematics learning outcomes was known based on the N-Gain value of 0.8 in the high category. 
EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM POSING DAN PROBLEM SOLVING TERHADAP KEMAMPUAN PEMECAHAN MASALAH DAN SELF-EFFICACY SISWA Novianti, Evi; Hamdi, Syukrul
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 14, No 3 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v14i3.10964

Abstract

Rendahnya kemampuan siswa dalam memecahkan masalah akibat rasa percaya diri yang rendah memerlukan suatu model pembelajaran yang inovatif dalam penerapannya. Penelitian ini bertujuan untuk mendeskripsikan keefektifan model pembelajaran integrated problem posing and problem solving dalam meningkatkan kemampuan pemecahan masalah matematis dan self-efficacy siswa SMP. Metode yang digunakan dalam penelitian ini adalah quasi eksperimen dengan non-equivalent pre-test and post-test group design. Populasi penelitian ini adalah siswa yang belum pernah mempelajari mata pelajaran nilai perbandingan dan nilai invers di SMP Negeri 1 Cibingbin, Kuningan, Jawa Barat tahun pelajaran 2023/2024. Teknik pengambilan sampel yang digunakan adalah cluster random sampling. Analisis data menggunakan statistik uji multivariat (Hotellings') diperoleh. Berdasarkan nilai effect size sebesar 0,10 menunjukkan keefektifan peningkatan kemampuan pemecahan masalah dan self-efficacy akibat adanya model pembelajaran tersebut.
Co-Authors Abdul Rahim Abdul Rahim Agus Maman Abadi Amat Jaedun Badrun Kartowagiran Chrisdiyanto, Endar Devi, Annisa Nirmala Dini Liya Meirani Simatupang Djidu, Hasan Doni Setyawan Dwi Novita Sari Edi Istiyono Edy Supriyadi Endar Chrisdiyanto Endar Chrisdiyanto Ermawati, Seni Evi Novianti Fadhilla, Nuansa Trimaya I Nyoman Arcana I Nyoman Arcana Iin Aulia Suganda Jailani Jailani Kana Hidayati Marfu'ah Nur Cahyanti Mu'minin, Nurul Muhammad Fauzan Musyadad, Faridl Nila Mareta Murdiyani Nurrana Fitria Luthfi Oktarina, Anisa Dwi Rahman, Hadi Nur Rina Safitri Risky Setiawan Seni Ermawati Suswiyati Widihastuti Wulaningrum, Tyas Yanti Kumala Sembiring Yoel Istiawanto Yoppy Wahyu Purnomo Yuntari, Yustina Hilda Zafrullah Zafrullah Zafrullah, Zafrullah