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Question: pdsolve->Warning: System is inconsistent

Question:pdsolve->Warning: System is inconsistent

longrob 1409 Maple
student
May 15 2010
1
Hi, can anyone point out what I've done wrong in setting up this PDE solution: PDE:=diff(u(x,t),t$2)+diff(u(x,t),t)-diff(u(x,t),x$2)=sin(Pi*x/l); BCs:=u(0,t)=0,u(l,t)=0; ICs:=u(x,0)=0,D[2](u)(x,0)=0; ans := pdsolve([PDE,BCs,ICs],u(x,t)) assuming l
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