Exceptionally clear exposition of an 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 for undergraduate course or self-study. Many worked examples; over 250 problems. 1958 edition.
Exceptionally clear exposition of important discipline with applications to sociology, psychology, economics. Many illustrative examples; over 250 problems.