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All Journal Banque Syar'i : Jurnal llmiah Perbankan Syariah InPrime: Indonesian Journal Of Pure And Applied Mathematics
Irmatul Hasanah
UIN Sultan Maulana Hasanuddin Banten
Computer Science & IT Economics, Econometrics & Finance Mathematics

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Partially Ordered Group of the 2×2 Symmetric Matrices Irmatul Hasanah
InPrime: Indonesian Journal of Pure and Applied Mathematics Vol 1, No 2 (2019)
Publisher : Department of Mathematics, Faculty of Sciences and Technology, UIN Syarif Hidayatullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2379.183 KB) | DOI: 10.15408/inprime.v1i2.13701

Abstract

AbstractThis paper deals with the partially ordered group of the 2×2 symmetric matrices. A matrix is defined to be a positive if each entry of the matrix is positive. With the characterization of the 2×2 symmetric matrix, we construct the positive cone such that the set of the matrices constructs partially ordered group.Keywords: Symmetric Matrix, Group-Ordered, Positive Cone. AbstrakArtikel ini membahas grup terurut parsial pada matriks simetri berukuran 2×2. Suatu matriks dikatakan positif jika setiap entri pada matriks bernilai positif. Melalui karakteristik dari matriks simetri, akan dikonstruksi sebuah positif cone sehingga matriks simetri berukuran 2×2  merupakan grup terurut parsial.Kata kunci: Matriks Simetri, Grup Terurut, Positif Cone.
Peramalan Kinerja Keuangan PT Bank Syariah Bukopin Menggunakan Metode ARIMA Box-Jenkin Irmatul Hasanah
Banque Syar'i : Jurnal llmiah Perbankan Syariah Vol. 8 No. 2 (2022): Juli - Desember 2022
Publisher : Departement of Islamic Banking, Faculty of Islamic Economics and Business, The State of Islamic University (UIN) Sultan Maulana Hasanuddin Banten,

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Abstract

Public trust in banks can be influenced by the performance of a bank which can be seen from its profitability ratios. A decrease in the performance of a bank will lead to a decrease in the level of profitability of a bank. So that if there is a decrease in the level of profitability will cause a decrease in public trust in the bank. This study aims to predict the financial performance data of PT Bank Syariah Bukopin using the ARIMA Box-Jenkins method. The data used for this research is quarterly profitability ratio data for ROA and ROE for 2010-2020. This results shows that ARIMA(1,1,0) model can be used to find the value of ROA in th
Co-Authors Elsa Ma'mun Nawawi