Answer to Question #27983 in Differential Equations for Yee-Chen Sheng
Please solve the following IBVP for the non homogeneous wave equation:
u_tt - 4u_xx = 6sin(t)sin(x) on 0<x<pi,t>0
u(0,t) = 0, t>=0
u(pi,t) = 0,t>=0
u(x,0) = 0,0<=x<=pi
u_t(x,0) = 0,0<=x<=pi.