Nuzla Af’idatur Robbaniyyah
Universitas Mataram

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Penguatan Daya Saing Produk Olahan Dodol Rumput Laut melalui Pelatihan Pemotretan Produk KWT Rasa Saling Sayang Zuhdiyah Matienatul Iemaaniah; Yy Wima Riyayanatasha; Riezka Zuhriyatika Rasyda; Nuzla Af’idatur Robbaniyyah; Setyaning Pawestri; Lulu’ Ayu Faezatiy
Jurnal Pendidikan dan Pengabdian Masyarakat Vol. 9 No. 3 (2026): Agustus
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppm.v9i3.11655

Abstract

Kuta Village is a coastal area with abundant seaweed potential, which has been utilized by the community through various processed products. The Rasa Saling Sayang Women Farmers Group (KWT) cultivates seaweed, most of which is sold fresh at relatively low prices. Processing seaweed into products such as dodol, jelly, and flour can increase added value and has the potential to strengthen the family economy of group members. However, limited skills in product photography result in less attractive product visuals, thus impacting low competitiveness in the digital market and social media. This community service activity aims to improve the skills of KWT Rasa Saling Sayang members in producing aesthetically pleasing seaweed product photos that meet digital marketing needs. The activity method is implemented through socialization and practice of product photography using smartphones. The activity was held on Tuesday, October 28, 2025, with stages including preparation of seaweed dodol products in two flavors (melon and pineapple), socialization of basic product photography techniques, and photography practice by KWT members. The results of the activity showed an increase in participants' understanding and skills in producing more visually appealing product photos.
PERAMALAN SUHU UDARA RATA-RATA DI KOTA MATARAM MENGGUNAKAN METODE LEAST SQUARE Putri Amalia Wardani; Erin Anaras; Dewi Astuti; Nuzla Af’idatur Robbaniyyah; Tri Maryono Rusadi
MATHunesa: Jurnal Ilmiah Matematika Vol. 13 No. 2 (2025)
Publisher : Universitas Negeri Surabaya

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Abstract

This study focuses on forecasting the average air temperature in the city of Mataram by applying the Least Square method to determine data patterns based on historical data. The data used includes the average air temperature from 2019 to 2023, obtained from the BPS Mataram City. Based on the pattern used, the resulting forecasting model for the average air temperature is Ŷ = 27.44 - 0.143X. The forecasted results indicate a gradual decrease in the average air temperature from 2024 to 2030 in Mataram. This trend is reflected by the change in the forecasted average air temperature value in the model, with a rate of -0.143. The model's accuracy is demonstrated by a Mean Absolute Percentage Error (MAPE) of 3.22%, indicating a very good level of accuracy in forecasting the average air temperature for the predicted years. This research is expected to provide useful information for the community and relevant stakeholders in Mataram to anticipate temperature changes and to plan for better climate adaptation policies in the future.
PEMODELAN CURAH HUJAN MENGGUNAKAN PERSAMAAN PREDATOR-PREY (Studi Kasus : Kecamatan Kediri, Kab. Lombok Barat) Hulfiatun Hanani; Nuzla Af’idatur Robbaniyyah; I Wayan Sudiarta
Jurnal Silogisme : Kajian Ilmu Matematika dan Pembelajarannya Vol 10 No 02 (2025): Desember
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/silogisme.v10i02.11621

Abstract

Curah hujan dapat dianalogikan sebagai sebuah populasi yang terus tumbuh dan berkembang, namun pertumbuhannya terbatas. Curah hujan dapat tumbuh dikarenakan uap air yang berasal dari peristiwa kondensasi. Pertumbuhan curah hujan dapat dimodelkan ke dalam bentuk model pertumbuhan logistik. Salah satu model matematika yang merupakan bentuk model pertumbuhan logistik adalah model predator-prey atau model mangsa-pemangsa. Data curah hujan dan predator-prey sama-sama memiliki nilai yang selalu positif atau tidak pernah negatif. Model predator-prey belum pernah digunakan untuk memodelkan data curah hujan. Tujuan dari penelitian ini adalah untuk mengetahui model predator-prey dalam menggambarkan model curah hujan dan untuk mengetahui estimasi parameter persamaan predator-prey yang sesuai dengan kasus curah hujan. Hasil penelitian ini menunjukkan model predator-prey yang menggambarkan kasus curah hujan adalah model sebagai predator, dengan estimasi nilai parameter diperoleh dari pendekatan analisis persamaan titik ekuilibrium predator-prey, frekuensi sudut dan periode dari stabilitas titik ekuilibrium center pada persamaan predator-prey.