Copyright © 2010 L. H. Cao and J. M. Zhang. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
We discuss in detail the error bounds for asymptotic solutions of second-order linear difference equation where and
are integers, and
have asymptotic expansions of the form , , for large values of , , and .