Recent content by Lpv

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    D'alembert for semi-infinite string (on R-)

    D'Alembert problem for semi infinite string on R- utt=c2 uxx ( -\infty<x<0) Initial condition: u(x,0)=f(x) ut(x,0)=g(x) Boundary condition: u(0,t)=0 please help me to solve it