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All Journal MATHunesa: Jurnal Ilmiah Matematika Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Puspa Hanaya Latifah Erjandsa
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Other

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Analisis Faktor-Faktor Penurunan Angka Kemiskinan di Provinsi Jambi dengan Regresi Linier Berganda: Penelitian Afif Kurnia Ramadhan; Puspa Hanaya Latifah Erjandsa; Selina Febiyanti Sitorus; Bunga Mardhotillah
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 1 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 1 (Juli 2025 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i1.2033

Abstract

Poverty in Indonesia remains a situation that needs attention because although the poverty rate has been gradually declining, it is still a concern for developing countries like Indonesia. One region in Indonesia with a high poverty rate is Jambi. According to BPS, poverty in Jambi reached 279.37 thousand people as of March 2022. The purpose of this scientific paper is to examine the influence of educational facilities and educators, social assistance from the government, and trading activities on reducing the poverty rate in Jambi Province using regression analysis. The data used includes the number of schools, the number of teachers, the number of social assistance recipients, the number of traders, and the number of cooperatives in each sub-district in three areas: Jambi City, Muaro Jambi Regency, and Batang Hari Regency. The type of research being undertaken is quantitative and the research method used is data analysis using multiplr regression analysis. The coefficient of determination for the formed regression model is 86.7%, and the regression model is highly significant simultaneously. Based on the results, 5 factors were tested that have a relationship with the reduction of poverty rates. The most influential factor among these 5 factors is social assistance. This can be seen from the P-Value obtained which is less than 0.05.
REKONTRUKSI INTERPOLASI BILINIER MELALUI PENDEKATAN POLINOMIAL MULTILINIER DAN INTERPOLASI LINIER BERTAHAP SERTA PENERAPANNYA Puspa Hanaya Latifah Erjandsa; Syamsyida Rozi; Niken Rarasati
MATHunesa: Jurnal Ilmiah Matematika Vol. 13 No. 3 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v13n3.p67-76

Abstract

Penelitian ini dilatarbelakangi oleh penggunaan interpolasi bilinier yang sering diaplikasikan secara praktis tanpa didukung kajian matematis yang mendalam, khususnya dalam literatur berbahasa Indonesia. Tujuan penelitian adalah menganalisis formulasi matematis interpolasi bilinier dan memverifikasi konsistensi hasil antara pendekatan teoritis dan aplikatif. Penelitian ini menggunakan metode pendekatan kuantitatif dengan studi literatur dan analisis numerik melalui dua pendekatan: (1) pendekatan polinomial multilinier dengan penyelesaian sistem persamaan linier menggunakan eliminasi Gauss-Jordan dan (2) pendekatan interpolasi linier bertahap sepanjang sumbu dan . Hasil penelitian berhasil menurunkan rumus interpolasi bilinier yang identik melalui kedua pendekatan. Verifikasi dilakukan dengan menerapkan rumus tersebut untuk mengestimasi produksi teh basah yang menunjukkan hasil konsisten dengan pola data. Dengan demikian, penelitian menegaskan bahwa interpolasi bilinier merupakan metode matematis yang memiliki dasar teoritis kuat dimana pendekatan polinomial dan interpolasi linier saling melengkapi dalam membuktikan kebenaran rumus.
Co-Authors Afif Kurnia Ramadhan Bunga Mardhotillah niken rarasati Selina Febiyanti Sitorus Syamsyida Rozi