Graduate students receive a stimulating introduction to analytical approximation techniques for solving differential equations in this text, which introduces sc

A clear, practical and self-contained presentation of the methods of asymptotics and perturbation theory for obtaining approximate analytical solutions to diffe

This introductory graduate text is based on a graduate course the author has taught repeatedly over the last ten years to students in applied mathematics, engin

Undergraduates in engineering and the physical sciences receive a thorough introduction to perturbation theory in this useful and accessible text. Students disc