Numerical Analysis by Walter Gautschi is an English-language textbook focused on computational methods within classical analysis, approximation theory, and ordinary differential equations. This second edition covers fundamental principles and emphasizes simplicity and pedagogy, with deeper topics included in the bibliographic notes.
This second edition has been revised and expanded with new exercises and problems, combining theoretical insights with practical applications and computer use. It also includes a complete and well thought-out solutions manual, specially developed by the author, which makes the book a valuable resource even for instructors.
The book aligns with fields such as numerical analysis, differential calculus, and numerical methods within mathematics, making it suitable for study and reference.

