Showing 1,741 - 1,760 results of 2,781 for search '"differential equations"', query time: 0.06s Refine Results
  1. 1741

    Dynamics of a delay Schistosomiasis model in snail infections by Chunhua Shan, Hongjun Gao, Huaiping Zhu

    Published 2011-07-01
    “…In this paper we modify and study a system of delay differential equations model proposed by Nåsell and Hirsch (1973) for the transmission dynamics of schistosomiasis. …”
    Get full text
    Article
  2. 1742

    Global Stability of HIV-1 Infection Model with Two Time Delays by Hui Miao, Xamxinur Abdurahman, Ahmadjan Muhammadhaji

    Published 2013-01-01
    “…We investigate global dynamics for a system of delay differential equations which describes a virus-immune interaction in vivo. …”
    Get full text
    Article
  3. 1743

    Integrodifferential Equations on Time Scales with Henstock-Kurzweil-Pettis Delta Integrals by Aneta Sikorska-Nowak

    Published 2010-01-01
    “…We prove existence theorems for integro-differential equations 𝑥Δ∫(𝑡)=𝑓(𝑡,𝑥(𝑡),𝑡0𝑘(𝑡,𝑠,𝑥(𝑠))Δ𝑠), 𝑥(0)=𝑥0, 𝑡∈𝐼𝑎=[0,𝑎]∩𝑇, 𝑎∈𝑅+, where 𝑇 denotes a time scale (nonempty closed subset of real numbers 𝑅), and 𝐼𝑎 is a time scale interval. …”
    Get full text
    Article
  4. 1744

    Chebyshev Wavelet Finite Difference Method: A New Approach for Solving Initial and Boundary Value Problems of Fractional Order by A. Kazemi Nasab, A. Kılıçman, Z. Pashazadeh Atabakan, S. Abbasbandy

    Published 2013-01-01
    “…A new method based on a hybrid of Chebyshev wavelets and finite difference methods is introduced for solving linear and nonlinear fractional differential equations. The useful properties of the Chebyshev wavelets and finite difference method are utilized to reduce the computation of the problem to a set of linear or nonlinear algebraic equations. …”
    Get full text
    Article
  5. 1745

    Generalized Hyperbolic Function Solution to a Class of Nonlinear Schrödinger-Type Equations by Zeid I. A. Al-Muhiameed, Emad A.-B. Abdel-Salam

    Published 2012-01-01
    “…With the help of the generalized hyperbolic function, the subsidiary ordinary differential equation method is improved and proposed to construct exact traveling wave solutions of the nonlinear partial differential equations in a unified way. …”
    Get full text
    Article
  6. 1746

    Solving Fokker-Planck Equations on Cantor Sets Using Local Fractional Decomposition Method by Shao-Hong Yan, Xiao-Hong Chen, Gong-Nan Xie, Carlo Cattani, Xiao-Jun Yang

    Published 2014-01-01
    “…The obtained results give the present method that is very effective and simple for solving the differential equations on Cantor set.…”
    Get full text
    Article
  7. 1747

    Optimal control of agent-based models via surrogate modeling. by Luis L Fonseca, Lucas Böttcher, Borna Mehrad, Reinhard C Laubenbacher

    Published 2025-01-01
    “…For a given ABM and a given optimal control problem, the algorithm derives a surrogate model, typically lower-dimensional, in the form of a system of ordinary differential equations (ODEs), solves the control problem for the surrogate model, and then transfers the solution back to the original ABM. …”
    Get full text
    Article
  8. 1748

    Initial Time Difference Stability of Causal Differential Systems in terms of Lyapunov Functions and Lyapunov Functionals by Coşkun Yakar, Mustafa Bayram Gücen

    Published 2014-01-01
    “…We investigate the qualitative behavior of a perturbed causal differential equation that differs in initial position and initial time with respect to the unperturbed causal differential equations. …”
    Get full text
    Article
  9. 1749

    The Improved Generalized tanh-coth Method Applied to Sixth-Order Solitary Wave Equation by M. Torvattanabun, J. Simmapim, D. Saennuad, T. Somaumchan

    Published 2017-01-01
    “…This method is a powerful and advantageous mathematical tool for establishing abundant new traveling wave solutions of nonlinear partial differential equations. The new exact solutions consisted of trigonometric functions solutions, hyperbolic functions solutions, exponential functions solutions, and rational functions solutions. …”
    Get full text
    Article
  10. 1750

    Circulant Type Matrices with the Sum and Product of Fibonacci and Lucas Numbers by Zhaolin Jiang, Yanpeng Gong, Yun Gao

    Published 2014-01-01
    “…Circulant type matrices have become an important tool in solving differential equations. In this paper, we consider circulant type matrices, including the circulant and left circulant and g-circulant matrices with the sum and product of Fibonacci and Lucas numbers. …”
    Get full text
    Article
  11. 1751

    DYNAMIC ANALYSIS OF 6-TPS PARALLEL MECHANISM by GAO XiuLan, ZHANG MinYing, ZHANG FengTao, SHI GeMeng, LU KaiJiang

    Published 2017-01-01
    “…The mechanism output speed is used as the independent variable,and set up the mechanism motion differential equations by Kane method. The equation can be used as a dynamic control model and be completely closed loop control of the mechanism. …”
    Get full text
    Article
  12. 1752

    Analytical Solution of Nonlinear Dynamics of a Self-Igniting Reaction-Diffusion System Using Modified Adomian Decomposition Method by Felicia Shirly Peace, Narmatha Sathiyaseelan, Lakshmanan Rajendran

    Published 2014-01-01
    “…An approximate analytical method (modified Adomian decomposition method) is used to solve nonlinear differential equations under steady-state condition. Analytical expressions for concentrations of the gas reactant and the temperature have been derived for Lewis number (Le) and parameters β, γ, and ϕ2. …”
    Get full text
    Article
  13. 1753

    Pricing Arithmetic Asian Options under Hybrid Stochastic and Local Volatility by Min-Ku Lee, Jeong-Hoon Kim, Kyu-Hwan Jang

    Published 2014-01-01
    “…The multiscale partial differential equation for the option price is approximated by a couple of single scale partial differential equations. …”
    Get full text
    Article
  14. 1754

    Brief introduction to distributions and to Hörmander spaces Bp,k by Alejandro Ortiz Fernández

    Published 2024-12-01
    “…Partial differential equations (PDE’s) are, we believe, little known in our country, especially at a medium-advanced level, in particular, their historical roots and methods developed in their evolution. …”
    Get full text
    Article
  15. 1755

    Photosynthesis as a discrete biochemical process by M. Štetina, J. KrempaskÝ

    Published 2000-01-01
    “…Transforming known phenomenological differential equations describing the photosynthesis into the discrete formalism it is possible to demonstrate that by change of control parameters such equations generate the very well known Feigenbaum‘s scenario of the duplication of states including the possibility of the transition into a chaotic regime. …”
    Get full text
    Article
  16. 1756

    Dynamics of the Oxygen, Carbon Dioxide, and Water Interaction across the Insect Spiracle by S. M. Simelane, S. Abelman, F. D. Duncan

    Published 2014-01-01
    “…Here we investigate and analyze this interaction by deriving a system of ordinary differential equations for oxygen, carbon dioxide, and water vapor. …”
    Get full text
    Article
  17. 1757

    Existence of Positive Solutions for a Class of px,qx-Laplacian Elliptic Systems with Multiplication of Two Separate Functions by Youcef Bouizem, Salah Mahmoud Boulaaras, Ali Allahem

    Published 2020-01-01
    “…The paper deals with the study of the existence of weak positive solutions for a new class of the system of elliptic differential equations with respect to the symmetry conditions and the right hand side which has been defined as multiplication of two separate functions by using the sub-supersolutions method (1991 Mathematics Subject Classification: 35J60, 35B30, and 35B40).…”
    Get full text
    Article
  18. 1758

    Construction of a Class of Copula Using the Finite Difference Method by Remi Guillaume Bagré, Frédéric Béré, Vini Yves Bernadin Loyara

    Published 2021-01-01
    “…For this, we use the finite difference method which is a common technique for finding approximate solutions of partial differential equations which consists in solving a system of relations (numerical scheme) linking the values of the unknown functions at certain points sufficiently close to each other.…”
    Get full text
    Article
  19. 1759

    Iterative Method for Solving the Second Boundary Value Problem for Biharmonic-Type Equation by Dang Quang A., Nguyen Van Thien

    Published 2012-01-01
    “…Solving boundary value problems (BVPs) for the fourth-order differential equations by the reduction of them to BVPs for the second-order equations with the aim to use the achievements for the latter ones attracts attention from many researchers. …”
    Get full text
    Article
  20. 1760

    Two-Degree Vibration Analysis of a Horizontal Axis Turbine Blade by Finite Differential Methods by Youfeng Zhu, Hongyu Zang, Xiaofei Kong, Peng Ban

    Published 2018-01-01
    “…Two-degree vibration partial differential equations of large horizontal axis turbine blades were established by Kallesøe’s model and Greenberg unsteady aerodynamic theory. …”
    Get full text
    Article