clear variables
syms C L R
assume( 0 < R & 0 < L & 0 < C)
Jednacine u s - domenu
syms E_g I0 U0
zamene = [L == R^2*C, U0 == 0, I0 == E_g/R] % pocetni uslovi
zamene = 
 
syms IC IL UC s
jednacine = [E_g/s == R*IL + L*(s*IL - I0) + UC, IC == IL, IC == C*(s*UC - U0)]
jednacine = 
Resenje jednacina
promenljive = [IL, IC, UC]
promenljive = 
 
odziv = solve(jednacine, promenljive)
odziv = struct with fields:
IL: (C*(E_g - U0 + I0*L*s))/(C*L*s^2 + C*R*s + 1) IC: (C*(E_g - U0 + I0*L*s))/(C*L*s^2 + C*R*s + 1) UC: (E_g + I0*L*s + C*L*U0*s^2 + C*R*U0*s)/(s*(C*L*s^2 + C*R*s + 1))
Vremenski domen
syms tau uc(tau)
uc(tau) = ilaplace(subs(odziv.UC, lhs(zamene), rhs(zamene)), s, tau);
 
syms t t_0
uc(t - t_0)
ans =