time-varying differential equations
Research Article The Research of Periodic Solutions of Time-Varying Differential Models
... nonlinear time-varying differential models by using the theory of reflecting ...linear differential system and the Riccati equations and applied the obtained results to discuss the ...
7
Modeling Multivariate Interest Rates Using Time-Varying Copulas and Reducible Nonlinear Stochastic Differential Equations
... on time-varying copulas and reducible stochastic di¤erential equa- tions ...same time leading to exact discretization and closed form likelihood ...over time, we allow the transformation ...
46
Stability of delayed impulsive stochastic differential equations driven by a fractional Brown motion with time varying delay
... pulses we consider describe the impulsive transients depending not only on their current states but also on historical states of the system. Delayed impulses exist in many practical problems, for example, in ...
23
New delay range dependent exponential stability criteria for certain neutral differential equations with interval discrete and distributed time varying delays
... differential equations with discrete and distributed time-varying ...The time-varying delays are continuous functions belonging to the given interval delays, which mean that the lower ...
18
Xilinx System Generator® Based Implementation of a Novel Method of Extraction of Nonstationary Sinusoids
... nonlinear differential equations and tracks the amplitude, frequency and phase of the time varying input sine function [1-3] is taken as the base model and its fixed point hardware model has ...
7
New Exponential Stability Analysis for Certain Neutral Integro-Differential Equations with Non-Differentiable Interval Time-Varying Delays
... neutral differential equation with discrete and distributed time-varying delays are ...The time-varying delays are continuous functions belonging to the given interval delays, which ...
6
Homoclinic solutions for n dimensional p Laplacian neutral differential systems with a time varying delay
... 1, 2, . . . ,n), τ and T > 0 are given constants, γ ∈ (R, R), γ (t + T ) = γ (t) with γ (t) ≥ 0. In the past few decades, the existence of homoclinic solutions for second-order differ- ential equations has been ...
15
Numerical Method For Approximate Solutions of Fractional Differential Equations with Time Delay
... et al. used the concept of Legendre operational matrix to present the numerical solutions of FDDEs in [11]. Morgado [12], applied the Mittag-Leffler functions to approximate solutions for FDDEs. The Chebyshev wavelet ...
10
\((\omega ,c)\) Periodic solutions for time varying impulsive differential equations
... Existence and uniqueness of (ω, c)-periodic solutions for homogeneous problem and non- homogeneous as well as semilinear time varying impulsive differential equations are es- tablished. In a ...
9
On pth moment exponential stability of stochastic differential equations with Markovian switching and time varying delay
... Motivated by the above discussions, the purpose of this paper is to study pth moment exponential stability of a general nonlinear stochastic differential equation with Marko- vian switching and time-varying ...
11
Robust Stability of Implicit Dynamic Equations on Time Scales
... a time-varying differential-algebraic equation and if T then it is a time-varying implicit difference ...The differential-algebraic equations (DAEs) are the mathematical ...
11
Stabilization of Linear Differential-algebraic Equations with Time-varying Delay
... Abstract—Stabilization involves finding feedback controllers which stabilize the closed-loop system in the finite-time sense. Stability and control have been developed in the literature using Lyapunov-like method. ...
6
Existence and finite time stability of solutions for a class of nonlinear fractional differential equations with time varying delays and non instantaneous impulses
... In this paper, we mainly consider the existence and finite-time stability of solutions for a kind of ψ -Hilfer fractional differential equations involving time-varying delays and ...
21
Stabilization of continuous-time hybrid stochastic differential equations by discrete-time feedback control
... tween this SDE and the original SDE (3) is that the feed- back control here is based on the continuous-time state observation y(t). It is known (see e.g. [18]) that under Assumption 2.1, equation (10) has a unique ...
6
Stochastic Differential Equations: Models and Numerics - Free Computer, Programming, Mathematics, Technical Books, Lecture Notes and Tutorials
... partial differential equation, since an explicit formula is not ...strike time, for given stock price, is computational more efficient, since the option data is for different strike price and strike times, ...
193
Partially integrable nonlinear equations with one higher symmetry
... long time there has been a general belief that ”if a partial differential equation or a system of differential equations has one nontrivial symmetry, then it has infinitely many” ...
5
Positive periodic solutions of Lotka Volterra like impulsive functional differential equations with infinite distributed time delays on time scales
... System (.) contain many mathematical population models of differential equations and difference equations. For example, if time scale T = R, some specific models of system (.) are enumerated as ...
21
Differential Equations
... a differential equation that is satisfied by each member of the ...The differential equation must be free from r because r is different for different members of the ...
45
Globally exponential stability of a certain neutral differential equation with time varying delays
... Several techniques such as using a Lyapunov-like theorem method, Lyapunov-Krasovskii functional, integral inequalities, and model transformations have been used to obtain suf- ficient conditions to ensure stability of the ...
10
Boundary value problem for one evolution equation
... The characteristic property of this type of equations is the failure of the Petrovski’s “A” condi- tion when coefficients are constant [1]. In this case, Cauchy problem is incorrect in the sense of Hadamard. Hence ...
5