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UIN Syarif Hidayatullah Jakarta

Published : 7 Documents
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The Formation of Optimal Portfolio of Mutual Shares Funds using Multi-Objective Genetic Algorithm Arkeman, Yandra; Yusuf, Akhmad; Mushthofa, Mushthofa; Fitri Laxmi, Gibtha; Boro Seminar, Kudang
TELKOMNIKA Telecommunication, Computing, Electronics and Control Vol 11, No 3: September 2013

#### Abstract

Investments in financial assets have become a trend in the globalization era, especially the investment in mutual fund shares. Investors who want to invest in stock mutual funds can set up an investment portfolio in order to generate a minimal risk and maximum return. In this study the authors used the Multi-Objective Genetic Algorithm Non-dominated Sorting II (MOGA NSGA-II) technique with the Markowitz portfolio principle to find the best portfolio from several mutual funds. The data used are 10 company stock mutual funds with a period of 12 months, 24 months and 36 months. The genetic algorithm parameters used are crossover probability of 0.65, mutation probability of 0.05, Generation 400 and a population numbering 20 individuals. The study produced a combination of the best portfolios for the period of 24 months with a computing time of 63,289 seconds.
JURNAL MATEMATIKA MURNI DAN TERAPAN EPSILON Vol 6, No 2 (2012)
Publisher : JURNAL MATEMATIKA MURNI DAN TERAPAN EPSILON

#### Abstract

Algoritma Genetika adalah salah satu pendekatan untuk menentukan globaloptimum yang didasari oleh Teori Evolusi. Secara garis besar langkah dalam prosedur inidimulai dengan menetapkan suatu set solusi potensial dan melakukan perubahan denganbeberapa iterasi dengan algoritma genetika untuk mencapat solusi terbaik. Perhitunganakar suatu fungsi sebenarnya merupakan masalah yang klasik dalam matematika. Untukitu, berbagai metode secara numerik telah dikembangkan.Dari hasil implementasi algoritma genetika untuk mencari akar persamaan darisebuah fungsi h(x1, x2) = 1000(x1-2x2)2+(1-x1)2 di dapat bahwa FitMax (genom 9)=10,FitMin (genom 107)=0, FitAvr = 0.153, FitTot = 30.6, Best Genom :10011001001000110010, x1=1 dan x2=0.5 dan hal ini sama dengan nilai eksak atau nilaisebenarnya dari akar persamaan tersebut.Kata Kunci : Algoritma genetika, Numerik, Akar Persamaan.
JURNAL MATEMATIKA MURNI DAN TERAPAN EPSILON Vol 4, No 1 (2010)
Publisher : JURNAL MATEMATIKA MURNI DAN TERAPAN EPSILON

#### Abstract

Salah satu metode yang dapat digunakan untuk menyelesaikan permasalahan program linieradalah metode simpleks. Pada penelitian ini, peneliti akan mencoba membuat algoritma komputasimetode simpleks yang dapat digunakan untuk penyelesaian program linier, sehingga diperolehrangkaian proses penyelesaian yang efisien dan hasil akhir yang optimal. Penelitian inimenghasilkan kode program Komputasi menggunakan bahasa pemrograman Borland Delphi 6.0yang dapat digunakan untuk menyelesaikan persoalan program linier dengan menggunakanmetode simpleks.
Dinamika Ekonomi Masyarakat Arab di Batavia Tahun 1900-1942 Yusuf, Akhmad
Buletin Al-Turas Vol 22, No 1 (2016): Buletin Al-Turas
Publisher : Fakultas Adab dan Humaniora, UIN Syarif Hidayatullah Jakarta, Indonesia

#### Abstract

Amusement Park Physics in Panggon Lunjak (Trampoline): Analysis of Kinematics and Energy Use Video Tracking Yusuf, Akhmad; Ishafit, Ishafit; Indratno, Toni Kus
International Journal of Science and Applied Science: Conference Series Vol 2, No 1 (2017): International Conference on Science and Applied Science 2017
Publisher : Universitas Sebelas Maret

#### Abstract

Panggon Lunjak (trampoline) is one of the famous amusement parks among the people that we can use as a recreation to enjoy a pleasant sensation. Without us knowing the amusement park that we often encounter is actually the result of the application of science and technology, especially in the field of physics, because it is amusement park for student of science is a real laboratory or the giant laboratory that we can use as a study of physics concepts and as research materials. Panggon Lunjak (trampoline) motion is very close to the harmonic  motion where the resulting graph of the sinus so that on the graph will be in the analysis of  kinematics and energy phenomena, so that research on simple harmonic motion materials is not limited to research using pendulum motion and spring load motion which is often exemplified as research on harmonic motion. The purpose of this study is to analyze the physical aspects of Panggon Lunjak (trampoline) motion based on the laws of physics on the concept of kinematics and analyze energy, Where the mechanical energy of addition between potential energy and kinetic energy (Conservation of energy). The analysis is done by using video tracking. Based on the analysis done using people as a mass, the result of the amplitude, the spring constant, angular frequency, and the law of conservation of energy on the Panggon Lunjak (trampoline) is true. This analysis activity will be well used as a physics learning for students.
Dinamika Ekonomi Masyarakat Arab di Batavia Tahun 1900-1942 Yusuf, Akhmad
Buletin Al-Turas Vol 22, No 1 (2016): Buletin Al-Turas
Publisher : Faculty of Adab and Humanities, Islamic State University Syarif Hidayatullah Jakarta