en the space limitations, the added material supplements, expands, and reinforces the ana-lytical methods that were, and continue to be, the main focus of this book. The analytical methods are the foundation of electromagnetics and provide understanding and physical interpretation of electromagnetic phenomena and interactions. Although numerical and computational methods have, especially in the last four decades, played a key role in the solution of complex elec-tromagnetic problems, they are highly dependent on fundamental principles. Not understanding the basic fundamentals of electromagnetics, represented by analytical methods, may lead to the lack of physical realization, interpretation and verification of simulated results. In fact, there are a plethora.
