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All Journal BAREKENG: Jurnal Ilmu Matematika dan Terapan Delta: Jurnal Ilmiah Pendidikan Matematika
Hikayat, Chairil
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Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Mathematics Mechanical Engineering Physics Transportation

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MULTIOBJECTIVE FUZZY PORTFOLIO MODEL IN INDONESIAN SYARIAH STOCK MARKET Hikayat, Chairil; Nabila, Luthfannisa Afif; Jana, Padrul
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 19 No 2 (2025): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol19iss2pp1133-1142

Abstract

The current global financial instability has attracted investors in Indonesia to the Sharia capital market, which promises bright opportunities. This study emphasizes the importance of using a fuzzy approach in managing multi-objective portfolios to deal with uncertainty in the Sharia stock market. This approach allows investors to manage their portfolios more effectively by considering various investment objectives simultaneously, such as maximizing profits and minimizing risks, which are very important amidst the ever-changing market dynamics. The method in this study is a fuzzy portfolio approach using the Treynor and Sharpe ratios in evaluating investment performance. Data is processed using fuzzy trapezoids, and portfolios are used to minimize risk without using short sales so that it remains balanced between potential profits and risks. The results of the analysis show an expected rate of return of 0.00091 and a risk level of 0.000421. When the allocation is set with a proportion of 93.8% for ANTM shares and 6.17% for KLBF, the strategy can provide a return of 0.091% with minimized risk. This creates an optimal balance between profit opportunities and risk management.
Persepsi Distance Learning Ditinjau Dari Motivasi Belajar Mahasiswa Hikayat, Chairil; Latif, Ikhsan Abdul; Jana, Padrul
Delta: Jurnal Ilmiah Pendidikan Matematika Vol. 13 No. 1 (2025): DELTA : JURNAL ILMIAH PENDIDIKAN MATEMATIKA
Publisher : Universitas Pekalongan

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Abstract

This research is motivated by the emergence of the transition to an increasingly massive distance learning process in Indonesia since the emergence of COVID-19 in Indonesia. The study aims to look at student perceptions of the distance learning process on student learning motivation. The design used in the research uses a type of quantitative research with a descriptive approach, the data collection process uses a questionnaire taken through Google Forms on active students of the ITBMP actuarial and digital business study program using descriptive data analysis. The data obtained is processed using the Likert method. The results of the study found from 11 statements that contained learning motivation indicators show that learning motivation is related to the process and methods in the learning process, the results of the questionnaire from six indicators obtained 16% got a positive response while 84% got a negative response. From the results of the research conducted by researchers, the results reveal that students have a low level of motivation towards distance learning.
Co-Authors Jana, Padrul Latif, Ikhsan Abdul Nabila, Luthfannisa Afif