Answer to Question #25273 in Differential Equations for Matthew Lind

Differential Equations

Question #25273

Solve the Cauchy problem on a semi-infinite domain:
u_tt - 4u_xx = 0 on 0<x<infinity, t>0
u(x,0) = xe^(-x)
u_t(x,0) = 0
u(0,t) = 0

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