A logically organized advanced textbook, which turns the reader into an active participant by asking questions, hinting, giving direct recommendations, comparing different methods, and discussing "pessimistic" and "optimistic" approaches to numerical analysis. Advanced students and graduate students majoring in computer science, physics and mathematics will find this book helpful.

Lecture 1.- Lecture 2.- Lecture 3.- Lecture 4.- Lecture 5.- Lecture 6.- Lecture 7.- Lecture 8.- Lecture 9.- Lecture 10.- Lecture 11.- Lecture 12.- Lecture 13.- Lecture 14.- Lecture 15.- Lecture 16.- Lecture 17.- Lecture 18.- Lecture 19.- Lecture 20.- Lecture 21.