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All Journal JURNAL REKAYASA SISTEM INDUSTRI Jurnal Optimalisasi
Fuad Dwi Hanggara
Universitas Islam Negeri Maulana Malik Ibrahim
Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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ANALISIS PENGARUH KUALITAS PELAYANAN DAN KEBIJAKAN HARGA TERHADAP LOYALITAS KONSUMEN (Studi Kasus: PT. GDI Fuad Dwi Hanggara; Arrazy Elba Ridha; Aulia Agung Dermawan
JURNAL REKAYASA SISTEM INDUSTRI Vol 7 No 2 (2022): (Mei 2022)
Publisher : Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/jrsi.v7i2.4537

Abstract

Loyalty is something that cannot be bought with money, but can be obtained if you try to increase trust in customers. This study aims to analyze the effect of service quality variables and price policy on consumer loyalty variables. This research was conducted by dividing the questionnaire as an instrument. Customers today are faced with a number of alternative ways when choosing a store that suits their tastes. But every company must also be able to compete by setting itself up for changes and developments that exist, both from outside and inside so that a company can maintain this competition. The method of analysis was carried out by means of quantitative descriptive methods through survey techniques using questionnaires. The population used is 100 respondents, and the number of samples taken is 96 respondents. Data analysis was carried out using multiple linear regression analysis. The data quality test in this study uses validity and reliability tests, the classical assumption test in this study uses the normality test, multicollinearity test, and heteroscedasticity test, and the effect test uses multiple linear regression analysis and analysis of the coefficient of determination (R2), while hypothesis testing in this study uses t-test and F test using IBM SPSS Statistics version 25 program.
Implementasi Linier Programming Modelling untuk Maksimasi Profit Penjualan Produk Seblak pada UD. XYZ di Aceh Barat Arrazy Elba Ridha; Ulfa Syahputri; Habib Satria; Adib Adib; Fuad Dwi Hanggara; Rizki Agam Syahputra; Abdiel Khaleil Akmal
Jurnal Optimalisasi Vol 9, No 2 (2023): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v9i2.8491

Abstract

Seblak is a food that has seen an increase in demand in recent years, and is a promising culinary business that can be run with a small capital. UD. XYZ is a seblak business that started selling seblak in early 2022 in West Aceh and wants to maximize the profits from its seblak sales. One method that can do this is Linear Programming, which can determine decision-making that can group limited materials or resources to achieve an optimal or best solution. From UD. XYZ's weekly sales data, it can be transformed into a mathematical model that helps to find the maximum function of the profit from seblak sales. The linear programming calculation process in this study uses the Lingo 18.0 software to solve linear programming problems, which will be continued with the linear graph visualization of the objective function with the MATLAB software. The results of the study show that the maximum profit that will be obtained by UD. XYZ in one week is Rp. 420,000/week, this profit is already categorized as net profit that can be used for the development of UD. XYZ's seblak business. Of the three variables X1 (seblak noodles and crackers), X2 (seblak eggs), and X3 (seblak chicken/feet), variables X1 and X2 have the potential to increase maximum profit if increased. In this study, the objective point is also on the point axis (X1=0, X2=0, and X3 = 175).
Co-Authors Abdiel Khaleil Akmal Adib Adib Arrazy Elba Ridha Aulia Agung Dermawan Habib Satria Rizki Agam Syahputra Ulfa Syahputri