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Derivation of the 2D Wave Equation

In this video we derive the 2D wave equation. This partial differential equation governs the motion of waves in a plane and is applicable for thin vibrating membranes. This video focuses on the derivation of the governing PDE only, other videos in this series discuss how to solve this PDE. Lecture notes and code can be downloaded from https://github.com/clum/YouTube/tree/... All partial differential equation videos in a single playlist (   • Partial Differential Equations  ) Associated videos on software tools relevant to PDEs include: -Creating Movies and Animations in Mathematica (   • Creating Movies and Animations in Mathematica  ) -Creating Movies and Animations in Matlab(   • Creating Movies and Animations in Matlab  ) You can support this channel via Patreon at   / christopherwlum   or by clicking on the ‘Thanks’ button underneath the video. Thank you for your help!