Introduction to Difference Equations

with illustrative examples from economics, psychology and sociology

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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 for undergraduate course or for self-study. Many worked examples; over 250 problems. Selected References.