Numerical Analysis for Science, Engineering and Technology

Numerical Analysis for Science, Engineering and Technology

This textbook is intended as a guide for undergraduate and graduate students in engineering, science and technology courses. Chapters of the book cover the numerical concepts of errors, ...
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Errors: Theory and Application

Pp. 1-10 (10)

Said Gamil Ahmed Sayed Ahmed, Hossein Jafari, Mukhtar Yagoub Youssif and Roberto Datja


In this chapter, we will focus on the meaning of error and try to define the errors. Different and major types of errors, sources of errors, and efforts to reduce the errors will be introduced. Also, we will show how a small error in the beginning of computation will increase at the end.


Absolute error, Error definition, Error sources, Functions of several variables, Random errors, Relative error, Systematic errors, Types of error.


Professor of Mathematics and Numerical Analysis, Faculty of Engineering, Zagazig University, Egypt.