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%%% Sous-Programme placement_poles_obs.m %%%
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function Pobs=placement_poles_obs(sys_etat,n,m,poles_rapides) ;

sys=sys_etat;
valeur_n=n;
valeur_m=m;
inf=poles_rapides;

% Calcul des zéros du système initial
Zbo=zero(sys_etat);
m=size(Zbo,1);

% Placement des n+delta0-1 pôles restants

for i=1:m
    if real(Zbo(i))>0
        Pobs(i)=-real(Zbo(i))+j*imag(Zbo(i));
    else
        Pobs(i)=Zbo(i);
    end
end
for i=m+1:valeur_n
    Pobs(i)=inf;
end