If you are currently struggling with the "work" required for this book, keep these three tips in mind:
Because the text is rigorous, the exercises at the end of each chapter are notoriously challenging. They don't just ask you to plug in numbers; they require you to prove theorems and derive physical properties. The Role of a Solution Manual in PDE Mastery If you are currently struggling with the "work"
By searching for specific problem numbers from the 4th edition, you can find rigorous peer-reviewed breakdowns of the logic. If you are currently struggling with the "work"