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Penerapan Metode Adams Bashforth Moulton melalui Persamaan Logistik dalam Memprediksi Jumlah Penduduk di Kota Medan Febya Br Nasution; Dian Cintya Hasmi Br Pohan; Rico Pradana Dita; Rizq Alwi Marpaung
Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa Vol. 3 No. 1 (2025): Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/bilangan.v3i1.390

Abstract

One of the biggest problems faced by several countries is the rapid increase in population growth, especially in an archipelagic country like Indonesia. One of the cities in North Sumatra Province that has experienced a significant increase in population is Medan City. This study discusses the population growth each year in Medan City. This study predicts the future population by combining historical data on population, birth rate, death rate, and migration using the Adams-Bashforth-Moulton approach in logistic modeling. This study shows the progress of the approach in predicting the population growth of Medan City. With an area of ​​265.10 thousand km2, and a population reaching 2,474,166 people in 2023. The Adams-Bashforth-Moulton method as a logistic growth model is very effective for decision making in predicting population growth in the city of Medan.
OPTIMALISASI STRATEGI PEMASARAN MUDHARABAH MELALUI EDUKASI DAN ANALISIS REGRESI DI BSI KCP MEDAN ADAM MALIK: STRATEGI PEMASARAN MUDHARABAH Febya Br Nasution; Rafika Sari Prayetno; MHD Pradana; Rima Aprilia
BUDIMAS : JURNAL PENGABDIAN MASYARAKAT Vol. 8 No. 2 (2026): BUDIMAS : Jurnal Pengabdian Masyarakat
Publisher : LPPM ITB AAS Indonesia Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/budimas.v8i2.19580

Abstract

This community service activity aims to improve the effectiveness of marketing strategies for mudharabah savings products at Bank Syariah Indonesia (BSI) KCP Medan Adam Malik. The main problem faced by the partner institution is the low public understanding of mudharabah products and the suboptimal promotional strategies implemented by the bank. The implementation method consisted of several stages, including field observation, marketing data collection, data analysis using multiple linear regression, and educational discussions on marketing strategies with the bank staff. The data used consisted of monthly marketing data for one year analyzed using IBM SPSS Statistics 27. The results showed that simultaneously the number of promotional advertisements, the number of BSI branches in Medan City, and the profit-sharing ratio influence the number of mudharabah account openings. Partially, promotional advertisements and profit-sharing ratios significantly influence account openings, while the number of branches does not have a significant effect. Based on these findings, the service team recommends enhancing digital promotion strategies and strengthening public education on Islamic banking products. This activity is expected to assist Bank Syariah Indonesia KCP Medan Adam Malik in increasing public interest in mudharabah savings accounts.