Results 11 to 20 of about 3,518,834 (296)

Approximation methods for hybrid diffusion systems with state-dependent switching processes : numerical algorithms and existence and uniqueness of solutions [PDF]

open access: yes, 2010
By focusing on hybrid diffusions in which continuous dynamics and discrete events coexist, this work is concerned with approximation of solutions for hybrid stochastic differential equations with a state-dependent switching process.
Yuan, Chenggui   +3 more
core   +4 more sources

A Matrix Spline Method for a Class of Fourth-Order Ordinary Differential Problems

open access: yesMathematics, 2022
Differential matrix models provide an elementary blueprint for the adequate and efficient treatment of many important applications in science and engineering.
Michael M. Tung   +4 more
doaj   +1 more source

Applying Machine Learning Methods and Models to Explore the Structure of Traffic Accident Data

open access: yesComputation, 2022
The problem of reducing the increasing number of road traffic accidents has become more relevant in recent years. According to the United Nations plan this number has to be halved by 2030.
Anton Sysoev   +4 more
doaj   +1 more source

A Novel Real-Time Filtering Method to General Nonlinear Filtering Problem Without Memory

open access: yesIEEE Access, 2021
In this paper, the filtering problem for the general time-invariant nonlinear state-observation system is considered. Our work is based on the Yau-Yau filtering framework developed by S.-T. Yau and the third author in 2008.
Ji Shi   +2 more
doaj   +1 more source

Inertial-Based Derivative-Free Method for System of Monotone Nonlinear Equations and Application

open access: yesIEEE Access, 2020
Iterative methods for solving nonlinear problems are of great importance due to their appearance in various areas of applications. In this paper, based on the inertial effect, we propose two projection derivative-free iterative methods for solving system
Aliyu Muhammed Awwal   +4 more
doaj   +1 more source

APPLICATION OF THE THEORY OF NEW INFORMATION OPERATORS IN CONDUCTING RESEARCH IN THE FIELD OF INFORMATION TECHNOLOGIES

open access: yesІнформаційні технології і засоби навчання, 2021
Due to the rapid development and implementation of the latest information technologies in many fields of science and technology significant changes have taken place.
Олеся Петрівна Нечуйвітер
doaj   +1 more source

Numerical Fractional Optimal Control of Respiratory Syncytial Virus Infection in Octave/MATLAB

open access: yesMathematics, 2023
In this article, we develop a simple mathematical GNU Octave/MATLAB code that is easy to modify for the simulation of mathematical models governed by fractional-order differential equations, and for the resolution of fractional-order optimal control ...
Silvério Rosa, Delfim F. M. Torres
doaj   +1 more source

Pontryagin’s Maximum Principle and Indirect Descent Method for Optimal Impulsive Control of Nonlocal Transport Equation

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2023
We study a singular problem of optimal control of a nonlocal transport equation in the space of probability measures, in which the structure of the drivng vector field with respect to the control variable is somewhat equivalent to the affine one, while ...
M. V. Staritsyn   +2 more
doaj   +1 more source

Exact and Fast Numerical Algorithms for the Stochastic Wave Equation [PDF]

open access: yes, 2003
On the basis of integral representations we propose fast numerical methods to solve the Cauchy problem for the stochastic wave equation without boundaries and with the Dirichlet boundary conditions.
Martin, A.   +9 more
core   +1 more source

A numerical evaluation of solvers for the periodic Riccati differential equation [PDF]

open access: yes, 2009
Efficient and accurate structure exploiting numerical methods for solving the periodic Riccati differential equation (PRDE) are addressed. Such methods are essential, for example, to design periodic feedback controllers for periodic control systems ...
Andras Varga   +14 more
core   +1 more source

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