//signals and systems
//Unilateral  Laplace Transform:Solving Differential Equation
//example 4.12
s = %s;
syms t;
[A] = pfss((3*s+3)/((s+5)*(s^2+5*s+6)));
F1 = ilaplace(A(1),s,t)
F2 = ilaplace(A(2),s,t)
F3 = ilaplace(A(3),s,t)
F = F1+F2+F3
disp(F)