# Hoán Chuyển Laplace

${\displaystyle f(t)->F(s)}$ . ${\displaystyle {\mathcal {L}}\{f(t)\}=F(s)=\int \limits _{0^{-}}^{\infty }f(t)e^{-st}dt}$
 ${\displaystyle f(x)}$ ${\displaystyle {\frac {d}{dt}}}$ ${\displaystyle \int dx}$ ${\displaystyle F(s)=\int f(x)e^{sx}dx}$ ${\displaystyle s}$ ${\displaystyle {\frac {1}{s}}}$