Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Kuntjoro Adji Sidarto"'
Autor:
Ikha Magdalena, Moch Nabil Farras Dhiya, Natanael, H.Q. Rif'atin, Kuntjoro Adji Sidarto, Adhe Kania
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 102785- (2024)
Tsunami waves are currently one of the most devastating water hazards that threaten regions or countries near the subduction zones, including Indonesia. In this research, a novel coastal protection system combining a submerged breakwater and a trench
Externí odkaz:
https://doaj.org/article/3579789c625a48c6a411644d6969b7be
Publikováno v:
Algorithms, Vol 17, Iss 11, p 507 (2024)
This paper presents numerical works on estimating some logistic models using particle swarm optimization (PSO). The considered models are the Verhulst model, Pearl and Reed generalization model, von Bertalanffy model, Richards model, Gompertz model,
Externí odkaz:
https://doaj.org/article/02492d9bc6dc4150b697129c462e582c
Autor:
Wendy Wijaya, Kuntjoro Adji Sidarto
Publikováno v:
International Journal of Financial Studies, Vol 11, Iss 4, p 125 (2023)
Portfolio optimization is a mathematical formulation whose objective is to maximize returns while minimizing risks. A great deal of improvement in portfolio optimization models has been made, including the addition of practical constraints. As the nu
Externí odkaz:
https://doaj.org/article/c0b891b1d15649e781bc1baf1840072f
Publikováno v:
Mendel, Vol 28, Iss 2 (2022)
Black-Scholes (BS) equations, which are in the form of stochastic partial differential equations, are fundamental equations in mathematical finance, especially in option pricing. Even though there exists an analytical solution to the standard form, t
Externí odkaz:
https://doaj.org/article/7ccec895fc0b49c2bb371baeb488c612
Publikováno v:
Mendel, Vol 28, Iss 2 (2022)
This paper examines the implementation of simple combination mutation of differential evolution algorithm for solving stiff ordinary differential equations. We use the weighted residual method with a series expansion to approximate the solutions of s
Externí odkaz:
https://doaj.org/article/f6594c70847e4b9b9d7f9da5ca0c0d6e
Publikováno v:
Techno.Com, Vol 19, Iss 2, Pp 124-134 (2020)
Optimasi fungsi multimodal merupakan permasalahan yang banyak dijumpai dalam bidang teknik, sains, ilmu sosial dan ekonomi. Tujuan utama dari permasalahan multimodal adalah untuk melokalisir semua solusi yang tersedia baik optimum lokal maupun optimu
Externí odkaz:
https://doaj.org/article/440ed9b4167b4c319f138e55bb5f6910
Publikováno v:
International Journal of Financial Studies, Vol 11, Iss 1, p 1 (2022)
Portfolio optimization is an activity for balancing return and risk. In this paper, we used mean-variance (M-V) portfolio models with buy-in threshold and cardinality constraints. This model can be formulated as a mixed integer nonlinear programming
Externí odkaz:
https://doaj.org/article/c294e2898f9a4f5f9ef124d83c894980
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 48, Iss 1, Pp 25-38 (2016)
In this paper we present approximate solutions of linearized delay differential equations using the matrix Lambert function. The equations arise from a microbial fermentation process in a metabolic system. The delay term appears due to the existence
Externí odkaz:
https://doaj.org/article/8bad4a6db9644b66865a7e0e7a23338d
Autor:
Novriana Sumarti, Kuntjoro Adji Sidarto, Muhammad Syamsuddin, Vina Fitriyani Mardiyyah, Abu Rizal
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 47, Iss 1, Pp 1-11 (2015)
The mathematical model for a profit-loss sharing scheme is formulated in order to see how this scheme can replace the traditional practice of lending money against high interest by usurers. It is sourced from the musyarakah method in Islamic Syariah
Externí odkaz:
https://doaj.org/article/6154c63bf61a4ffd8aa7f4bc96f3e8cb
Publikováno v:
Mendel, Vol 23, Iss 1 (2017)
Multimodal optimization is one of the interesting problems in optimization which arises frequently in a wide range of engineering and practical applications. The goal of this problem is to find all of optimum solutions in a single run. Some algorithm
Externí odkaz:
https://doaj.org/article/906dbdb3d43048c4948b36b9044ad2d6