You need the Symbolic Math Toolbox™
Examples on how to use the laplace function:
syms t
f = t^4
laplace(f)
syms s
g = 1/sqrt(s)
laplace(g)
syms t a x
f = exp(-a*t)
laplace(f,x)
Examples on how to use ilaplace
syms s
f = 1/s^2
ilaplace(f)
syms a t
g = 1/(t-a)^2
ilaplace(g)
syms x u
syms a real
f = 1/(u^2-a^2)
simplify(ilaplace(f,x))
