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

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

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

Mathematics of Computing -- Numerical Analysis.

Designed for graduate students, researchers, and engineers in mathematics, optimization, and economics, this self-contained volume presents theory, methods, and