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All Journal JPM (Jurnal Pemberdayaan Masyarakat) Zero : Jurnal Sains, Matematika, dan Terapan Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Journal of Mathematics, Computation and Statistics (JMATHCOS) INTENS Jurnal Inovasi Sains Teknologi dan Bisnis
Bohari, Nurul Aulia
Actuarial Science Study Program, Universitas Muhammadiyah Kolaka Utara, Lasusua, Indonesia
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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ANALISIS KESTABILAN DAN BIFURKASI PADA MODEL MATEMATIKA TINGKAT PENGANGGURAN PADA MASA PANDEMI COVID-19 Bohari, Nurul Aulia; Toaha, Syamsuddin; Kasbawati, Kasbawati
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 5 No. 2 (2022): Volume 5 Nomor 2 Tahun 2022
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (309.531 KB) | DOI: 10.30605/proximal.v5i2.1902

Abstract

Covid-19 is a type of virus from the Coronaviridae which has implications for infectious and deadly diseases that attack mammals such as humans in the respiratory tract to the lungs. In the conditions of the outbreak of the Covid-19 pandemic, it turns out that there are many impacts, mainly in the Indonesian economic sector, for example unemployment, with the spread of the Covid-19 virus in Indonesia to date, it is possible that the unemployment rate in Indonesia will increase. The purpose of this study is to see how the unemployment rate during the Covid-19 pandemic is taking into account several compartments, namely susceptible, unemployed, employed, reduction, and lead, showing a sensitivity analysis to determine the parameters that affect the basic reproduction number , and bifurcation analysis. The results obtained from the sensitivity analysis, which found a parameter relationship with which could increase and decrease the value of , and the bifurcation analysis showed the effect of changes in the stability of the equilibrium point due to changes in the value of the parameter . model simulation shows the unemployment rate during the Covid 19 pandemic and to show the effect of the governments policy rate ( on unemployment during the Covid 19 pandemic.
Pemodelan Matematika SEIR Penyebaran Penyakit Pneumonia pada Balita dengan Pengaruh Vaksinasi di Kota Makassar Syafruddin Side; Wahidah Sanusi; Nurul Aulia Bohari
Journal of Mathematics, Computations and Statistics Vol. 4 No. 1 (2021): Volume 04 Nomor 01 (April 2021)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

This study aims to build a model of the spread of pneumonia in SEIR (Susceptible-Exposed-Infected-Recovered) toddlers, analyze the model, and determine the minimum proportion of vaccinations. The data used are data on the number of pneumonia sufferers in toddlers in Makassar City in 2019.The results obtained by the SEIR mathematical model of pneumonia in the form of ordinary differential equation systems; addiction free balance points and addiction balance points which are both stable; basic reproduction numbers for simulations without vaccination greater than 1, which means that the disease still exists in the population, while basic reproduction numbers for simulations with vasksination less than 1, which means the disease will disappear and not spread from the population.
Kontrol Optimal Model Matematika Penyebaran Penyakit Pneumonia pada Balita Muh. Nursyam Siduppa; Bohari, Nurul Aulia
INTENS Jurnal Inovasi Sains Teknologi dan Bisnis Vol 1 No 1 (2024): INTENS Jurnal Inovasi Sains Teknologi
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, INTENS MKU

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Abstract

Penelitian ini bertujuan untuk menunjukkan bagaimana kontrol optimal model matematika penyebaran penyakit pneumonia pada balita sehingga penyebaran penyakit tersebut dapat dicegah. Pada penelitian sebelumnya diketahui bahwa penyakit pneumonia pada balita bergantung pada keberadaan populasi yang infektif sehingga dilakukan pengontrolan terhadap populasi tersebut melalui kampanye kesehatan dan pengobatan. Teori kontrol optimal diaplikasikan pada model matematika. Masalah kontrol optimal diselesaikan dengan menggunakan prinsip maksimum pontryagin dengan tujuan untuk meminimumkan jumlah individu yang terinfeksi. Simulasi numerik menunjukkan keefektifan pengendalian dengan kontrol kampanye kesehatan dan pengobatan dapat mengurangi yang terinfeksi sehingga penyebaran penyakit pneumonia dapat dicegah.
Penerapan Metode Double Exponential Smoothing pada Produksi Kakao di Kabupaten Kolaka Utara Bohari, Nurul Aulia; Mutmainnah; Fajar, Nurhikmah; Yun Angraeni Saputri; BAKHTIAR, SRI MUSLIHAH
INTENS Jurnal Inovasi Sains Teknologi dan Bisnis Vol 1 No 1 (2024): INTENS Jurnal Inovasi Sains Teknologi
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, INTENS MKU

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Abstract

Kakao merupakan komoditas perkebunan strategis yang berperan penting dalam meningkatkan kesejahteraan masyarakat dan ekonomi lokal di Kabupaten Kolaka Utara. Keberlanjutan dan peningkatan produksi kakao di masa mendatang perlu dipastikan, maka perlu adanya prediksi agar dapat mengetahui produksi kakao. Penelitian ini menggunakan Metode Double Exponential Smoothing yang bertujuan untuk meramalkan produksi kakao 10 periode kedepan yaitu dari tahun 2024 sampai tahun 2034 dengan menggunakan data historis. Hasil peramalan diperoleh parameter alpha yang digunakan adalah    sebesar  0,9 dan pada perhitungan MAPE diperoleh error   sebesar 0,44%. Hasil peramalan produksi Kakao di Kabupaten Kolaka Utara akan mengalami peningkatan selama 10 periode kedepan dengan rata-rata peningkatan  sekitar 1017 ton pertahun. Hal tersebut dapat digunakan sebagai dasar untuk perencanaan strategis dalam meningkatkan  produksi kakao dan pemasaran kakao di Kabupaten Kolaka Utara. 
PENERAPAN METODE EOQ DAN EPQ DALAM MEMINIMUMKAN BIAYA PERSEDIAAN BAHAN BAKU PADA PABRIK TEMPE Rosmawati; Hernita; Bohari, Nurul Aulia
INTENS Jurnal Inovasi Sains Teknologi dan Bisnis Vol 1 No 1 (2024): INTENS Jurnal Inovasi Sains Teknologi
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, INTENS MKU

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Abstract

Persediaan bahan baku merupakan elemen penting dalam industri pengolahan makanan, seperti pabrik tempe, karena dapat memengaruhi efisiensi biaya operasional dan kelancaran produksi. Penelitian ini bertujuan untuk menerapkan model Economic Order Quantity (EOQ) dan Economic Production Quantity (EPQ) dalam mengoptimalkan manajemen persediaan pada pabrik tempe. Metode yang digunakan meliputi analisis data inventori, termasuk biaya pemesanan, penyimpanan, dan pengadaan, dengan asumsi permintaan dan laju produksi yang konstan. Hasil penelitian menunjukkan bahwa EOQ menghasilkan jumlah pesanan optimal sebesar 200 unit per transaksi, sedangkan EPQ menghasilkan jumlah produksi optimal sebesar 707 unit per siklus produksi. Kedua model ini mampu menekan total biaya inventori tahunan hingga mencapai Rp203.750.000 (EOQ) dan Rp203.600.000 (EPQ). Penelitian ini menyimpulkan bahwa penerapan EOQ dan EPQ dapat meningkatkan efisiensi biaya inventori, dengan EPQ memberikan hasil yang lebih optimal dalam konteks pabrik tempe. Hasil ini relevan untuk diterapkan dalam industri kecil menengah guna meningkatkan daya saing melalui pengelolaan inventori yang lebih baik.
Modeling E-Payment Adoption and its Impact on MSME Financial Inclusion in North Kolaka Bohari, Nurul Aulia; Firdaus, Firdaus; Puspita, Ulva Mega
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 2 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i2.25921

Abstract

Micro, Small, and Medium Enterprises (MSMEs) play a crucial role in Indonesia's economic development; however, the adoption of e-payment systems in North Kolaka Regency remains relatively low. This study aims to model and analyze the adoption dynamics of e-payment among MSMEs using an SEIR (Susceptible-Exposed-Infected-Recovered) framework. Based on survey data from 485 MSMEs, simulations were conducted using Python to determine the spread and sustainability of adoption behavior. The results reveal that a majority of MSMEs are still unfamiliar with e-payment systems, while the proportion of active users remains limited. The numerical simulation yields a basic reproduction number of R₀ = 0.4939, indicating that e-payment adoption has not yet reached a sustainable level. To enhance the growth of e-payment usage and strengthen financial inclusion, policy strategies should focus on improving digital financial literacy, providing continuous incentives, and integrating MSMEs into broader go-digital programs.
Pendampingan Pelestarian Budaya Upacara Mappalili Melalui Kegiatan Tudang Sipulung Dalam Menunjang Geopark Maros-Pangkep Al Hazar, Badrizal; Zulfi Al'Ghani, Muhammad; Bohari, Nurul Aulia; Handayani, Fitri
Jurnal Pemberdayaan Masyarakat Vol 10 No 2 (2025): November
Publisher : Direktorat Penelitian dan Pengabdian kepada Masyarakat (DPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/jpm.v10i2.12999

Abstract

Mappalili Ceremony is a sacred tradition of the Bugis-Makassar community that embodies profound ecological, social, and spiritual values in agricultural management. The preservation of this cultural heritage was carried out through the Tudang Sipulung activity as a form of community engagement to support the development of the Maros-Pangkep Geopark. The activity took place at the Balla Kalompoang Traditional House, Labakkang District, Pangkep Regency, involving 35 participants consisting of traditional leaders, local government officials, geopark managers, and community members. The method employed a participatory approach through discussions, the distribution of monograph books, cultural preservation models, and pre-test and post-test evaluations to measure the participants’ understanding of Mappalili’s cultural values. The results indicated a significant improvement in participants’ comprehension, with the high category increasing from 0% to 71.43% after mentoring activities. Tudang Sipulung proved to be an effective medium for cultural communication and education, strengthening collective awareness in preserving local traditions and supporting the geopark as an integrated space between natural conservation and cultural heritage. This study recommends the involvement of younger generations and local government support to ensure the sustainability of the Mappalili Ceremony as a cultural legacy that contributes to the development of tourism based on local wisdom.
Co-Authors Bakhtiar, Sri Muslihah Fachry Abda El Rahman Fajar, Nurhikmah Firdaus, Firdaus Fitri Handayani Hazar, Badrizal Al Hernita Kasbawati Kasbawati Muh. Nursyam Siduppa Puspita, Ulva Mega Rosmawati Syafruddin Side syamsuddin Toaha Wahidah Sanusi Yun Angraeni Saputri Zulfi Al'Ghani, Muhammad