Research Article | Open | Published:
Asymptotic Expansions for Higher-Order Scalar Difference Equations
Advances in Difference Equationsvolume 2007, Article number: 067492 (2007)
We give an asymptotic expansion of the solutions of higher-order Poincaré difference equation in terms of the characteristic solutions of the limiting equation. As a consequence, we obtain an asymptotic description of the solutions approaching a hyperbolic equilibrium of a higher-order nonlinear difference equation with sufficiently smooth nonlinearity. The proof is based on the inversion formula for the z -transform and the residue theorem.
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