Results 21 to 30 of about 902,114 (365)

IMPLEMENTASI DELAY DIFFERENTIAL EQUATION PADA SOLVER ORDINARY DIFFERENTIAL EQUATION MATLAB

open access: yesJUTI: Jurnal Ilmiah Teknologi Informasi, 2002
Ordinary Differential Equation (ODE) dan Delay Differential Equation (DDE) banyak digunakan untuk menerangkan kejadian-kejadian pada dunia nyata. ODE melibatkan derivatif yang dipengaruhi oleh penyelesaian waktu sekarang dari variabel-variabel yang tidak
Rully Soelaiman, Yudhi Purwananto
doaj   +1 more source

Exact Solutions of the Two-Dimensional Cattaneo Model Using Lie Symmetry Transformations

open access: yesDiscrete Dynamics in Nature and Society, 2021
In this article, symmetry technique is utilized to obtain new exact solutions of the Cattaneo equation. The infinitesimal symmetries, linear combinations of these symmetries, and corresponding similarity variables are determined, which lead to many exact
Khudija Bibi, Khalil Ahmad
doaj   +1 more source

Data assimilation as a learning tool to infer ordinary differential equation representations of dynamical models

open access: yesNonlinear Processes in Geophysics, 2019
. Recent progress in machine learning has shown how to forecast and, to some extent, learn the dynamics of a model from its output, resorting in particular to neural networks and deep learning techniques.
M. Bocquet   +3 more
semanticscholar   +1 more source

Effective Capital in Upgraded Solow Macro-Model of Economic Growth

open access: yesВестник Российского экономического университета имени Г. В. Плеханова, 2022
The article studies the macro-economic theory of economic growth Solow in complicated case, when technical progress is materialized in capital. In this situation the production function depends on effective capital and labour resource.
A. Yu. Meerson, A. P. Chernyaev
doaj   +1 more source

Evolutionary Approaches to the Identification of Dynamic Processes in the Form of Differential Equations and Their Systems

open access: yesAlgorithms, 2022
Evolutionary approaches are widely applied in solving various types of problems. The paper considers the application of EvolODE and EvolODES approaches to the identification of dynamic systems.
Tatiana Karaseva, Eugene Semenkin
doaj   +1 more source

Differential Transformation Method (DTM) for Approximate Solution of Ordinary Differential Equation (ODE)

open access: yesAdvances in Modelling and Analysis B, 2018
This paper presents the differential transformation method to evaluate approximate solution of ordinary differential equation along with its application in electrical circuit problem in various time domain.
M. Mohanty, S. Jena
semanticscholar   +1 more source

An ordinary differential equation for velocity distribution and dip-phenomenon in open channel flows [PDF]

open access: yes, 2011
An ordinary differential equation (ODE) for velocity distribution in open channel flows is presented based on an analysis of the Reynolds-averaged Navier–Stokes equations and a log-wake modified eddy viscosity distribution.
R. Absi
semanticscholar   +1 more source

Simplified variational iteration method for solving ordinary differential equations and eigenvalue problems

open access: yesAdvances in Mechanical Engineering, 2016
A simplified variational iteration method is proposed to solve high-order homogeneous or nonhomogeneous linear ordinary differential equation and ordinary differential equation eigenvalue problems more efficiently and conveniently.
Chao Pan, Ruifu Zhang, Hao Luo, Hua Shen
doaj   +1 more source

Solving Ordinary Differential Equations

open access: yesProgramming for Computations - Python, 2019
Differential equations constitute one of the most powerful mathematical tools to understand and predict the behavior of dynamical systems in nature, engineering, and society.
S. Linge, H. Langtangen
semanticscholar   +1 more source

SOLUSI DARI PERSAMAAN CAUCHY–EULER NONHOMOGEN KASUS LOGARITMIK

open access: yesE-Jurnal Matematika, 2020
Ordinary differential equation is one form of differential equations that are often found in everyday life. One form of ordinary differential equations which has non–constant coefficients is the Cauchy–Euler differential equation.
I GEDE PUTU MIKI SUKADANA   +2 more
doaj   +1 more source

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