Results 11 to 20 of about 26,870 (247)

Dynamical Analysis of Generalized Tumor Model with Caputo Fractional-Order Derivative

open access: yesFractal and Fractional, 2023
In this study, we perform a dynamical analysis of a generalized tumor model using the Caputo fractional-order derivative. Tumor growth models are widely used in biomedical research to understand the dynamics of tumor development and to evaluate potential
Ausif Padder   +6 more
doaj   +3 more sources

Fractional Telegraph Equation with the Caputo Derivative

open access: yesFractal and Fractional, 2023
The Cauchy problem for the telegraph equation (Dtρ)2u(t)+2αDtρu(t)+Au(t)=f(t) (0<t≤T,0<ρ<1, α>0), with the Caputo derivative is considered. Here, A is a selfadjoint positive operator, acting in a Hilbert space, H; Dt is the Caputo fractional derivative.
Ravshan Ashurov, Rajapboy Saparbayev
openaire   +3 more sources

Numerical solutions of fractional optimal control with Caputo–Katugampola derivative

open access: yesAdvances in Difference Equations, 2021
In this paper, we present a numerical technique for solving fractional optimal control problems with a fractional derivative called Caputo–Katugampola derivative. This derivative is a generalization of the Caputo fractional derivative.
N. H. Sweilam   +2 more
doaj   +1 more source

Generalized Proportional Caputo Fractional Differential Equations with Noninstantaneous Impulses: Concepts, Integral Representations, and Ulam-Type Stability

open access: yesMathematics, 2022
The generalized proportional Caputo fractional derivative is a comparatively new type of derivative that is a generalization of the classical Caputo fractional derivative, and it gives more opportunities to adequately model complex phenomena in physics ...
Ravi Agarwal   +2 more
doaj   +1 more source

On Caputo Fractional Derivatives via Convexity [PDF]

open access: yesKragujevac Journal of Mathematics, 2020
Summary: In this paper some estimations of Caputo fractional derivatives via convexity have been presented. By using convexity of any positive integer order differentiable function some novel results are given.
openaire   +2 more sources

Extension of rate of change concept: From local to nonlocal operators with applications

open access: yesResults in Physics, 2020
The concept of rate of change gave birth to numerous important theories and applications in mathematics, applied mathematics and other related academic disciplines.
Abdon Atangana
doaj   +1 more source

Analysis of fractional electrical circuit with rectangular input signal using Caputo and conformable derivative definitions [PDF]

open access: yesArchives of Electrical Engineering, 2018
An analysis of a given electrical circuit using a fractional derivative. The statespace equation was developed. The dynamics of tensions described by Kirchhoff’s laws equations.
Ewa Piotrowska
doaj   +1 more source

Local density of Caputo-stationary functions in the space of smooth functions [PDF]

open access: yes, 2016
We consider the Caputo fractional derivative and say that a function is Caputo-stationary if its Caputo derivative is zero. We then prove that any $C^k\big([0,1]\big)$ function can be approximated in $[0,1]$ by a a function that is Caputo-stationary in $[
Bucur, Claudia
core   +2 more sources

Chaos on the Vallis Model for El Niño with Fractional Operators

open access: yesEntropy, 2016
The Vallis model for El Niño is an important model describing a very interesting physical problem. The aim of this paper is to investigate and compare the models using both integer and non-integer order derivatives.
Badr Saad T. Alkahtani, Abdon Atangana
doaj   +1 more source

Symmetry Analysis of Initial and Boundary Value Problems for Fractional Differential Equations in Caputo sense [PDF]

open access: yes, 2019
In this work we study Lie symmetry analysis of initial and boundary value problems for partial differential equations (PDE) with Caputo fractional derivative.
Iskenderoglu, Gulistan, Kaya, Dogan
core   +2 more sources

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