Asecondorderlinear,non−homogeneousODEhastheformofay′′+by′+cy=g(x)Thegeneralsolutiontoa(x)y′′+b(x)y′+c(x)y=g(x)canbewrittenasy=yh+ypyhisthesolutiontothehomogeneousODEa(x)y′′+b(x)y′+c(x)y=0yp,theparticularsolution,isanyfunctionthatsatisfiesthenon−homogeneousequationy=c1e−t+c2e−2tThegeneralsolutiony=yh+ypis:y=21−21e−2t
Comments