Similarities, differences, advantages and limitations of perturbation techniques are pointed out concisely. The techniques are described by means of examples th
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
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Perturbation theory is a powerful tool for solving a wide variety of problems in applied mathematics, a tool particularly useful in quantum mechanics and chemis
Graduate students receive a stimulating introduction to analytical approximation techniques for solving differential equations in this text, which introduces sc