Introduction to Difference Equations Author:Samuel Goldberg Exceptionally clear, useful exposition of important mathematical discipline and its applications to sociology, economics and psychology. Logical, easy-to-follow coverage of calculus of finite differences, difference equations, linear difference equations with constant coefficients, generating functions, matrix methods, and more. Ideal as text fo... more »r undergraduate course or for self-study. Many worked examples; over 250 problems. Selected References.« less