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What is Green Functions for Wave Equation Analysis about?

This document discusses Green functions for solving the wave equation. It introduces the inhomogeneous wave equation and Helmholtz equation in the frequency domain. For the free space case without boundaries, the solution is a spherically symmetric Green function. The time-dependent Green function is derived via Fourier transform as a retarded or advanced function, with the retarded Green function giving effects after their causes. Green functions allow separating the solution into incoming and outgoing wav

Author

韩良成

Language

EN