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All Journal CAUCHY: Jurnal Matematika Murni dan Aplikasi Jurnal Pengabdian Mandiri
Adam Adam
Institut Teknologi Kalimantan
Humanities Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PENGEMBANGAN HASIL PANEN KELOMPOK TANI SUMBER LAUT BERJAYA DAN PENGOPTIMALISASIAN PEMASARAN HASIL PANEN MELALUI DIGITAL MARKETING Adam Adam; Muliady Faisal; Dimas Aryo Mahendro; Dastin Pranata Yuda; Sri Eka Saputri; Nurlisa Nurlisa; Putri Oktatriani; Herliana Nur Ekawati; Renaldi Tri Saputra; Muhammad Adnan Fadhil
JURNAL PENGABDIAN MANDIRI Vol. 2 No. 8: Agustus 2023
Publisher : Bajang Institute

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Abstract

Kegiatan pengembangan hasil panen Kelompok Tani Sumber Laut Berjaya, Balikpapan merupakan bagian dari kegiatan pengabdian masyarakat mahasiswa mengabdi desa atau KKN. Tujuan dari KKN ini adalah untuk mengembangkan hasil panen rumput laut kelompok tani serta membantu mereka untuk bisa memasarkannya secara digital. Hasil dari implementasi KKN ini menunjukkan solusi dalam bentuk pengembangan produk mie dan cemilan dari rumput laut serta pelatihan pemasaran melalui media sosial. Program ini diharapkan dapat membantu kelompok tani meningkatkan pendapatan mereka dan memberikan dampak positif terhadap lingkungan. Melalui pengembangan produk dan pemasaran melalui media sosial, diharapkan kelompok tani dapat mencapai konsumen yang lebih luas, meningkatkan visibilitas produk, dan meningkatkan besar penjualan. Secara keseluruhan, pelaksanaan KKN di Kelompok Tani Sumber Laut Berjaya mendapatkan respon positif dari masyarakat dan kelompok tani, serta berhasil diimplementasikan dengan baik.
Infection Clearance Rate in Fractional-Order SEIR Model: Stability Analysis Muhammad Iqbal; Mohammad Januar Ismail Burhan; Adam Adam
CAUCHY: Jurnal Matematika Murni dan Aplikasi Vol 11, No 1 (2026): CAUCHY: JURNAL MATEMATIKA MURNI DAN APLIKASI
Publisher : Mathematics Department, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/cauchy.v11i1.40849

Abstract

Infectious disease has become a serious problem over the past few years. At the same time, research on disease dynamics keeps advancing, especially on diseases caused by viruses. One concept that has been used in epidemic models is fractional calculus, or more specifically, fractional differential equations. This paper discusses the analytical properties of a fractional-order SEIR model, which are then verified by numerical simulations. Fractional-order has the property of memory effect, which represents the past experience effect on the current behavior of people. Mathematically, the present state is affected by previous states. Analytical results have shown that fractional-order value does not change the stability condition for each equilibrium. It is shown that there exists a stronger sufficient condition for disease-free equilibrium to be globally asymptotically stable. For the endemic equilibrium, it is only proven to be locally asymptotically stable when the basic reproduction number is greater than 1. Simulation results from Explicit Fractional Order Runge--Kutta (EFORK) method are confirmed to be in agreement with the basic properties provided by the analysis. The results also illustrate the impact of fractional-order and infection clearance rate, indicating that smaller fractional-orders converge faster compared to larger orders.
Co-Authors Annisa Rahmita Soemarsono Dastin Pranata Yuda Dimas Aryo Mahendro Erna Apriliani Herliana Nur Ekawati Mohammad Januar Ismail Burhan Muhammad Adnan Fadhil Muhammad Iqbal Muliady Faisal Nurlisa Nurlisa Putri Oktatriani Renaldi Tri Saputra Sri Eka Saputri Yunus, Mahmud