Separation of Variables for Partial Differential Equations: An Eigenfunction Approach

Potential, Heat, and Wave Equations. Basic Approximation Theory. Sturm-Liouville Problems. Fourier Series. Eigenfunction Expansions for Equations in Two Independent Variables. One-Dimensional Diffusion Equation. One-Dimensional Wave Equation. Potential Problems in the Plane. Multidimensional Problems. Bibliography. Index.