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All Journal Diponegoro Journal of Management JURNAL INSTEK (Informatika Sains dan Teknologi)
Putra, Aditya Mahendra
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering

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PENGARUH STRUKTUR PASAR, KOMPETISI, DIVERSIFIKASI, DAN RISIKO KREDIT TERHADAP PROFITABILITAS BANK DENGAN BANK SIZE SEBAGAI VARIABEL KONTROL (STUDI PADA BANK YANG TERDAFTAR DI BURSA EFEK INDONESIA) Putra, Aditya Mahendra; Pangestuti, Irene Rini Demi
Diponegoro Journal of Management Volume 8, Nomor 1, Tahun 2019
Publisher : Faculty of Economics and Business Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (952.196 KB)

Abstract

The aims of this research was to examine the effect of market structure (market share,) competition (lerner index), diversification (herfindahl-hirschman index), and credit risk (non performing loans) on Return on Asset (ROA) as a measure of profitability. Firm size is added as control variable on this research. This research used secondary data with population consist of 44 banking listed in Indonesia Stock Exchange in the period of 2012-2016. The purposive sampling method was used in selecting the research sample and 26 banking are chosen to being sample on this research. This research used multiple regression technique for measure the statistic analysis. The result of this research shows that market structure, competition and diversification has a positive significant effect on profitability, but credit risk has a negatif significant effect on profitability.
IMPLEMENTASI ALGORITMA GENETIKA DALAM ELIMINASI BENTROKAN JADWAL PERKULIAHAN DI POLITEKNIK UNISMA MALANG SHOFIYATI, NUR; MUSTHOFA, MUH ULINNUHA; PUTRA, ADITYA MAHENDRA
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 6 No 1 (2021): APRIL
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1039.088 KB) | DOI: 10.24252/instek.v6i1.16587

Abstract

Penelitian ini bertujuan memperoleh efisiensi penyusunan jadwal dengan mengeliminasi bentrokan jadwal menggunakan metode algoritma genetika. Metode penelitian diawali dengan pengumpulan data awal dimana ditemukan permasalaham bentrokan ruang, bentrokan kelas dan bentrokan dosen. Permasalahan tersebut digunakan sebagai dasar perumusan nilai fitness. Nilai fitness dalam penelitian ini deitentukan 1 / (1 + BD + BK + BR). Algoritma genetika penelitian ini menggunakan 6 kromosom agar mendapatkan solusi optimal. Nilai crossover rate di atur sebesar 80%, serta mutation rate dikontrol pada nilai 0.3 atau 30% agar pemrosesan tidak berlangsung lama. Hasil penelitian ini berupa aplikasi penyusunan jadwal berbasis android yang menerapkan algoritma genetika. Berdasarkan uji coba aplikasi menunjukkan bahwa hasil penjadwalan dengan algoritma genetika mampu mengeliminasi bentrokan jadwal. Kata kunci - Genetika, Fitness, Jadwal
Co-Authors Irene Rini Demi Pangestuti MUSTHOFA, MUH ULINNUHA SHOFIYATI, NUR