Solution of partial differential equations (2) – the wave equation

The wave equation is given by: ∂ 2 u ∂ x 2 = 1 c 2 ∂ 2 u ∂ t 2 https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429294402/968186b9-ffa4-4f2b-aa54-7fc58a604561/content/eq5155.tif"/>