Textbook in PDF format This well-known text helps you develop a foundation in essential theory along with problem-solving skills. Applied Partial Differential Equations discusses partial differential equations of applied mathematics, the physical sciences, and engineering. Equations are motivated and derived with simple models; solution techniques are developed patiently, and mathematical results are frequently given physical interpretations. Coverage includes Fourier series, orthogonal functions, boundary value problems, Green's functions, and transform methods. It is ideal for students in science, engineering, and applied mathematics. The 6th Edition has been updated and clarified throughout while maintaining its hallmark style and tone. It offers approximately 57 new or updated exercises, substantially revises coverage on Method of Separation of Variables, and more