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All Journal E-Jurnal Matematika BIMASTER Epsilon: Jurnal Matematika Murni dan Terapan Abdimas Kubik Jurnal Sains Matematika dan Statistika AKSIOMA BAREKENG: Jurnal Ilmu Matematika dan Terapan Jambura Journal of Mathematics GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Abdimas Ilmiah Citra Bakti (JAICB) KUBIK: Jurnal Publikasi Ilmiah Matematika Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Jurnal Abdimas Bina Bangsa Komatika: Jurnal Pengabdian Kepada Masyarakat Journal of Science and Technology
Meliana Pasaribu
Mathematics Department, Faculty Of Mathematics And Natural Sciences, Universitas Tanjungpura, Pontianak
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : KUBIK: Jurnal Publikasi Ilmiah Matematika

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Penentuan Solusi Optimal Pemrograman Kuadratik Menggunakan Metode Beale (Studi Kasus: Produksi Padi Kalimantan Barat) Robiah, Rina; Kiftiah, Mariatul; Pasaribu, Meliana
KUBIK Vol 8, No 2 (2023): KUBIK: Jurnal Publikasi Ilmiah Matematika
Publisher : Jurusan Matematika, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/kubik.v8i2.29213

Abstract

Rice production in an area is influenced by the area of rice harvesting land. BPS data shows that in 2019-2021 there was a decrease in rice production in West Kalimantan due to a decrease in rice harvest areas. Therefore, optimal utilization of harvested area is needed to obtain maximum average rice production. One method to determine the optimal solution of a quadratic programming problem is the Beale method. In this research, the problem of rice production is formulated into a mathematical model. Furthermore, a quadratic objective function is formed which is a concave function by solving linear equations through a matrix approach. The selected function is solved using the Beale method. The Beale method begins by expressing the base variable into a non-base variable in each iteration process. The optimal solution of the Beale method is obtained when the evaluation value of all partial derivatives of the objective function is less than equal to zero. Based on the research results, the rice harvest area of Mempawah, Sintang, Kapuas Hulu, and Kubu Raya districts were 17,799.53424 ha, 16,364.0143 ha, 6,105.685658 ha, and 32,959.2823 ha, respectively, so that the average maximum rice production was 127.6827216 kw/ha.
Optimization of Multi-Product Distribution with Modification of The Modified Exponential Approach Method Pajriah, Dwi; Pasaribu, Meliana; Kiftiah, Mariatul
KUBIK Vol 10 No 1 (2025): IN PRESS
Publisher : Jurusan Matematika, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung

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Abstract

In the distribution of several different products, there is a condition where product allocation is not appropriate or there is a multi-product transportation problem. As a result, it is necessary to analyze the appropriate product allocation with minimum shipping costs. In solving this problem, a multi- product transportation problem model and modification of the Modified Exponential Approach method are proposed to obtain an allocation for each product with minimum shipping costs. In the case of the distribution of sweet snack products and spicy/salty snacks at the MSME Giu Store. Delivery is carried out using delivery services (J&T Express, Surya Cargo) and private delivery. Therefore, this problem is a form of transshipment problem. This problem is transformed into a multi-product transportation problem and solved by modifying the Modified Exponential Approach method. The calculation results show that private delivery is inefficient. It is recommended that products be distributed by J&T Express with delivery to the Sambas, Sekadau, and Sintang areas. Surya Cargo delivers to the Sanggau, Mempawah, and Singkawang areas. With this allocation, a minimum distribution cost of Rp 1,378,398 is obtained.
Co-Authors Adrah Adrah Amanda, Novelya Ananda, Lolla Julia Andri Andriani, Rika Fitri Arif Febrianto Asyrad, Adam Ayu Lestari AZ ZAHRA, URAY NUR AFIFAH Bayu Prihandono Chintya, Yuni Dewi, Lidia Evangelista, Gitta Evi Novian Evi Noviani Evy Sulistianingsih Fansiskus Fran Fatonah, Fatma Arum Febrisi Dwita Fikadila, Lisa Fran, Fransiskus Fransiskus Fran Fransiskus Fran Helmi Helmi Helmi Helmi Helmi Huda, Nur’ainul Miftahul Ikbal Muhaimin Ikka Rahmawati Josua Parulian Hutajulu Hutajulu Leony Agustine Lestari, Devi Indah Mariatul Kiftiah Marisi Aritonang Merlianti, Merlianti Mudinillah, Adam Muhammad Ilyas Muhammad Ilyas Nadia Nadia Nilamsari Kusumastuti Ningrum, Indri Novita Nopitasari, Evi Nurul Jannah Nurul Safitri NUR’AINUL MIFTAHUL HUDA Pajriah, Dwi Ramadhanti, Tasya Redika Rifatullah, Rohit Rina Megasari Rinto Manurung Robiah, Rina Salsabila, Salsabila Saputra, Irpan Saragih, Adinda Boru selli, Selli Selvi, Paulina Florensia Setiani, Irena Ana Setiawan, Novyanto Suriyana Suriyana Triana, Delvi Venti, Monalisa Wulandari, Afrilia Putri YB, Verasiska. Yudhi Yundari, Yundari Yundari, Yundari