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All Journal Statistika Matematika: Jurnal Teori dan Terapan Jurnal Riset Matematika Bandung Conference Series: Mathematics Matematika
Onoy Rohaeni
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Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Mathematics Transportation Other

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Analisis Efektivitas dan Kontribusi Penerimaan Pajak Bumi dan Bangunan Terhadap Pendapatan Asli Daerah Kota Bandung Fauziah, Astri Nur; Rohaeni, Onoy
Matematika: Jurnal Teori dan Terapan Matematika Vol. 24 No. 1 (2025): Jurnal Matematika
Publisher : UPT Publikasi Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/matematika.v24i1.3844

Abstract

The Bandung City Regional Revenue Agency (Bapenda) with the Land and Building Tax sub-section basically always applies certain targets in the realization of the taxes received. Targets are established by calculating achievements per year, which are evaluated at the end of the year. However, every year the targets from the UN are not always met. Thus, it is necessary to analyze the effectiveness level of Land and Building Tax revenues and discover the role of PBB in increasing Regional Original Income (PAD), one of which is by looking at how big its contribution is. In making this article, the aim is to discover the effectiveness level of PBB revenue and the contribution of PBB to PAD from 2016 to 2022. The results obtained are that the average effectiveness of revenue reaches 90.59%, if measured by the effectiveness criteria then Land Tax revenue and Building (UN) effective. And the PBB contribution to PAD is with an average contribution of 21.22%. If measured by criteria, the Land and Building Tax (PBB) contribution revenue to Bandung City's Regional Original Income (PAD) is moderate.
Analisis Peramalan Penjualan Produk X pada Perusahaan XYZ Menggunakan Metode Double Exponential Smoothing Azkiyatul Mahmudah, Azka; Rohaeni, Onoy; Badruzzaman, Farid; Harahap, Erwin
Matematika: Jurnal Teori dan Terapan Matematika Vol. 22 No. 2 (2023): Jurnal Matematika
Publisher : UPT Publikasi Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/matematika.v22i2.1611

Abstract

Pencapaian pembangunan nasional dapat diraih dari potensi sumber daya manusia yang berkualitas, karena potensi sumber daya manusia ini merupakan modal dasar pembangunan. Dilihat dari transaksi di Indonesia yang semakin luas dan berkembang, perlu adanya pengikat yang sah dari transaksi bisnis tersebut. Perusahaan XYZ merupakan perusahaan yang bergerak di bidang penjualan. Sebagai usaha untuk meningkatkan bisnis tersebut, maka perusahaan perlu mengatur jumlah persediaan produk agar tidak mengalami kekosongan stok dan agar perusahaan tidak mengalami kerugian. Dilihat dari data penjualan produk X pada tahun 2016 sampai dengan tahun 2019, penjualan produk X setiap tahunnya selalu mengalami kenaikan. Maka untuk mengetahui jumlah penjualan pada periode-periode berikutnya akan digunakan metode Double Exponential Smoothing untuk meramalkan jumlah penjualan tersebut. Hasil akhir yang diperoleh yaitu peramalan berupa nilai jumlah penjualan produk X pada perusahaan XYZ pada periode-periode berikutnya, dimana semakin banyak periode yang diramalkan maka akan semakin tinggi pula hasil peramalan jumlah produk X yang terjual.   Forecasting Analysis of Product X Sales at Company XYZ Using Double Exponential Smoothing Method Achievement of national development can be achieved from the potential of quality human resources, because the potential of these human resources is the basic capital of development. Judging from the transaction in Indonesia, which is getting wider and growing, it is necessary to have a legal binding of the business transaction. XYZ Company is a company engaged in sales. In an effort to improve the business, the company needs to regulate the amount of product inventory so that it does not experience a stock vacancy and so that the company does not experience losses. Judging from the sales data for product X from 2016 to 2019, sales of product X always increase every year. So to find out the number of sales in the following periods, the Double Exponential Smoothing method will be used to predict the number of sales. The final result obtained is forecasting in the form of the value of the number of sales of product X at company XYZ in the following periods, where the more periods are forecasted, the higher the forecasting results for the number of products X sold.
Implementasi Perhitungan dengan Metode Garis Lurus dan Saldo Menurun Ganda Hastanti, Andrea Widhi; Rohaeni, Onoy; Permanasari, Yurika
Jurnal Riset Matematika Volume 5, No.2, Desember 2025, Jurnal Riset Matematika (JRM)
Publisher : UPT Publikasi Ilmiah Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jrm.v5i2.8461

Abstract

Abstrak. Penentuan nilai objek sewa yang sesuai dengan prinsip-prinsip syariah merupakan aspek penting dalam transaksi keuangan Islami. Penelitian ini ditujukan kepada sebuah implementasi model berbasis Python yang dapat digunakan untuk menghitung nilai sewa objek secara akurat dan sesuai dengan ketentuan syariah. Dengan memanfaatkan bahasa pemrograman Python, penelitian ini menyusun algoritma yang mengintegrasikan metode penilaian syariah seperti metode garis lurus dan metode Saldo Menurun Ganda yang diakui dalam keuangan Islam. Tujuan dari penelitian ini adalah untuk mengetahui metode mana yang paling berpengaruh terhadap laba perusahaan dan untuk mengetahui metode mana yang efektif dipilih oleh perusahaan. Berdasarkan penelitian ini, metode garis lurus memiliki keuntungan yang tidak terlalu besar dan pada beban penyusutan tidak terlalu besar pada tiap tahunnya, sedangkan pada metode saldo menurun dari segi keuntungan memang besar akan tetapi pada beban penyusutan juga besar pertahunnya, maka akan berpengaruh pada tarif sewa kepada yang akan menyewa. Abstract. Determining the value of a leased asset in accordance with Sharia principles is an important aspect of Islamic financial transactions. This study focuses on a Python-based implementation model that can be used to accurately calculate the lease value of an asset in compliance with Sharia regulations. By leveraging the Python programming language, this research develops an algorithm that integrates Sharia valuation methods such as the straight- line method and the double declining balance method, both recognized in Islamic finance. The aim of this study is to identify which method has the greatest impact on the company’s profit and to determine which method is effectively preferred by the company. Based on the research findings, the straight-line method yields moderate profit and relatively low annual depreciation expenses, whereas the double declining balance method results in higher profits but also incurs higher annual depreciation expenses, which in turn affects the rental rates charged to lessees.
Co-Authors Azkiyatul Mahmudah, Azka Badruzzaman, Farid Erwin Harahap Eti Kurniati Fauziah, Astri Nur Fuji Astuti Hastanti, Andrea Widhi Karlah, Anissah Maharani, Vika Alzahra Sabila Faza, Silmi Sandi Sumardi Sholehah, R. Siti Luthfiah Siti Masytoh Diyandini Teti Sofia Yanti Yani Ramdani Yurika Permanasari