Best Selling Books by Mercer Warriner

Sabrina''s animal communications professor, Dr. Cartwright, brings his dog, Baskerville, to class for a demonstration, Sabrina starts sneezing a sparkling, fizzing sneeze, which causes Dr. Cartwright and Baskerville to switch bodies--and Sabrina has no idea how to switch them back.

Excellent graduate-level monograph investigates relationship between various structural properties of real functions and the character of possible approximations to them by polynomials and other functions of simple construction. Based on classical approximation theorem of Weierstrass, P. L. Chebyshev’s concept of the best approximation, converse theorem of S. N. Bernstein on existence of a function with a given sequence of best approximations. Each chapter includes problems and theorems supplementing main text. 1963 edition. Bibliography.