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Partial Differential Equations and Boundary-Value Problems with Applications, third edition
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| Publisher: | American Mathematical Society (Providence, Rhode Island) |
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Fourier Series | Boundary-Value Problems in Rectangular Coordinates | Boundary-Value Problems in Cylinderical Coordinates | Boundary-Value Problems in Spherical Coordinates | Fourier Transforms and Applications | Asymptotic Analysis | Numerical Analysis | Green's Functions
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Building on the basic techniques of separation of variables and Fourier series, the book presents the solution of boundary-value problems for basic partial differential equations: the heat equation, wave equation, and Laplace equation, considered in various standard coordinate systems--rectangular, cylindrical, and spherical. Each of the equations is derived in the three-dimensional context; the solutions are organized according to the geometry of the coordinate system, which makes the mathematics especially transparent. Bessel and Legendre functions are studied and used whenever appropriate throughout the text. The notions of steady-state solution of closely related stationary solutions are developed for the heat equation; applications to the study of heat flow in the earth are presented. The problem of the vibrating string is studied in detail both in the Fourier transform setting and from the viewpoint of the explicit representation (d'Alembert formula). Additional chapters include the numerical analysis of solutions and the method of Green's functions for solutions of partial differential equations.
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Vibrating String, d'Alembert Formula, Green's Functions
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