Theory and Applications of Fractional Differential Equations, Volume 204 (North-Holland Mathematics Studies)
Computers & Mathematics with Applications
Positive solutions for a class of boundary value problems with fractional q-differences
Computers & Mathematics with Applications
A fractional variational iteration method for solving fractional nonlinear differential equations
Computers & Mathematics with Applications
Fractional variational calculus for nondifferentiable functions
Computers & Mathematics with Applications
Existence of a positive solution to systems of differential equations of fractional order
Computers & Mathematics with Applications
On Riemann and Caputo fractional differences
Computers & Mathematics with Applications
On the control of chaos via fractional delayed feedback method
Computers & Mathematics with Applications
Gronwall's inequality on discrete fractional calculus
Computers & Mathematics with Applications
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We introduce a discrete-time fractional calculus of variations on the time scale (hZ)"a,a@?R,h0. First and second order necessary optimality conditions are established. Examples illustrating the use of the new Euler-Lagrange and Legendre type conditions are given. They show that solutions to the considered fractional problems become the classical discrete-time solutions when the fractional order of the discrete-derivatives are integer values, and that they converge to the fractional continuous-time solutions when h tends to zero. Our Legendre type condition is useful to eliminate false candidates identified via the Euler-Lagrange fractional equation.