Introduction - If you have any usage issues, please Google them yourself
Function direct I Filter
Call:
[Y,Zf]=FDI(B,A,X,Zi)
Parameters A(N), B(M), X(L)and Y(L) as in FILTER.
Input Parameters:
Zi(max(N,M)-1,2): Conditions iniciales.
Zi(:,1): from zeros.
Zi(:,2): from polos.
Output Parameters:
Zf(max(N,M)-1,2): final conditions.
Zf(:,1): from zeros.
Zf(:,2): from polos.