Applicable Analysis and Discrete Mathematics 2011 Volume 5, Issue 1, Pages: 110-121
https://doi.org/10.2298/AADM110131002F
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Fractional h-difference equations arising from the calculus of variations
Ferreira Rui A.C. (Department of Mathematics, Faculty of Engineering and Natural Sciences, Lusophone University of Humanities and Technologies, Lisbon, Portugal)
Torres Delfim F.M. (Department of Mathematics, University of Aveiro, Aveiro, Portugal)
The recent theory of fractional h-difference equations introduced in [N.R.O.
Bastos, R. A. C. Ferreira, D. F. M. Torres: Discrete-time fractional
variational problems, Signal Process. 91 (2011), no. 3, 513{524], is
enriched with useful tools for the explicit solution of discrete equations
involving left and right fractional difference operators. New results for the
right fractional h sum are proved. Illustrative examples show the
effectiveness of the obtained results in solving fractional discrete
Euler{Lagrange equations.
Keywords: Fractional discrete calculus, fractional difference calculus of variations, Euler-Lagrange equations, explicit solutions