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note2_dAlembert.pdf

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DRAFT 1 General solution to the wave equation Felix I. Parra Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford OX1 3PU, UK (This version is of 23 February 2021) 1. Introduction In these notes, we give the general solution to the wave equation. The wave equation is one of the rare PDEs that we can solve analytically with complete generality. We will use this analytical solution to explain that PDEs need…

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