how to Solve y”-2y+y=e^(-x) in matlab

Question : Solve y”-2y+y=e^(-x) in matlab Solution : >>syms x >>syms y(x) >>ode=diff(y,2)-2*diff(y)+y==e^(-x) ode = (sym) 2 d d -x y(x) - 2⋅──(y(x)) + ───(y(x)) = ℯ dx 2 dx >>dsolve(ode) ans = (sym) -x x ℯ y(x) = (C₁…

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