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All Journal CAUCHY: Jurnal Matematika Murni dan Aplikasi Learning Community : Jurnal Pendidikan Luar Sekolah
Ramadani, Diah Putri
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Education Mathematics Social Sciences Other

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Nirwasita: Ponggalan Village Learning Center (Ex-Localization of Giwangan) Towards an Empowered and Achievement Community Putro, Bayu Anggoro; Hermawan, Yudan; Habibah, Ju Linda; Ramadani, Diah Putri
Learning Community : Jurnal Pendidikan Luar Sekolah Vol 8 No 1 (2024): Learning Community: Jurnal Pendidikan Luar Sekolah
Publisher : Program Studi Pendidikan Luar Sekolah FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jlc.v8i1.49650

Abstract

Central Statistics Agency (BPS) In 2022, the crime rate for Yogyakarta City was recorded at 736 cases and the Giwangan area was the area contributing the largest cases. This number has increased from the previous year of 633 cases. Apart from that, the village has a waste problem that must be resolved immediately. Education is one solution in dealing with these cases. Through innovation, students can strengthen growth, impact, awareness and teamwork to support the management of village resources towards empowered and achieving villages. Nirwasita is a superior innovation to solve problems in Ponggalan Village. Nirwasita is a community learning center which has the following objectives: a). Striving for access, quality, and self-awareness; B). Reading new skills for the people of Ponggalan Village through entrepreneurship training. Nirwasita offers solutions through: a). Increasing knowledge and character using the digital corner, literacy corner and hope corner methods; B). Improving skills by using the work corner.
Optimization of Palm Oil Distribution Routes Using the Saving Matrix Approach and Genetic Algorithm on Capacitated Vehicle Routing Problem Yuliza, Evi; Andriani, Yuli; Indrawati, Indrawati; Octarina, Sisca; Ramadani, Diah Putri
CAUCHY: Jurnal Matematika Murni dan Aplikasi Vol 10, No 2 (2025): CAUCHY: JURNAL MATEMATIKA MURNI DAN APLIKASI
Publisher : Mathematics Department, Universitas Islam Negeri Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/cauchy.v10i2.36371

Abstract

The transportation of goods and services is a strategic issue in logistics systems, particularly in the palm oil industry. One of the key distribution optimization challenges is the Capacitated Vehicle Routing Problem (CVRP), which involves determining optimal distribution routes while considering vehicle capacity constraints. This study aims to identify the shortest distribution routes for transporting fresh oil palm fruit bunches from collection points to the palm oil mill, with the goal of minimizing total vehicle travel distance. A heuristic approach using the Saving Matrix method and a metaheuristic approach using a Genetic Algorithm were applied separately to two regions: Block P and Block Q, each consisting of 14 collection points with daily distribution schedules. The performance of both algorithms was analyzed and compared in the context of region-based distribution.The results show that the Genetic Algorithm yields more optimal solutions than the Saving Matrix, reducing the total travel distance by 33.92% in Block P and 32.81% in Block Q. In comparison, the Saving Matrix achieved reductions of 38.72% in Block P and 35.25% in Block Q. These findings indicate that the Genetic Algorithm performs better in solving CVRP for the distribution of fresh oil palm fruit bunches and can serve as a foundation for developing more efficient distribution systems using heuristic and metaheuristic approaches
Co-Authors Evi Yuliza, Evi Habibah, Ju Linda Indrawati Indrawati Putro, Bayu Anggoro Sisca Octarina Yudan Hermawan Yuli Andriani