I. Les-figures, 9 à IV.I2 correspondent aux réponses indicielles en boucle fermée. On peut constater que Ym! et Um! après de faibles oscillations, convergent assez rapidement

A. V. Théorème, l Le système de la figure 1, où Gl (s) E lFtlIoo et G2(S) E lFtlIoo, est stable de manière interne si et seuiement si

. Si, O(s) et G-1 (s) dans H alors O(s) est outer IDIoo 00

(. A. Vi, IO) i) d'inversion matricielle

A. Si-les-matrices-al, Al -A2A4A3) et (Al + A2A4A3) ne sont pas singulières, on a les relations suivantes: (A.VII.II.a) (A. VII.II.b)

S. Det, A) =1= 0, on obtient: det(F) =det(A) det(E -C A-l B)

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