This is a textbook on classical polynomial and rational approximation theory for the twenty-first century. Aimed at advanced undergraduates and graduate student

This textbook is designed for graduate students in mathematics, physics, engineering, and computer science. Its purpose is to guide the reader in exploring cont

Most functions that occur in mathematics cannot be used directly in computer calculations. Instead they are approximated by manageable functions such as polynom

Mathematics of Computing -- Numerical Analysis.

The field of approximation theory has become so vast that it intersects with every other branch of analysis and plays an increasingly important role in applicat