11.07.2015 Views

Lyapunovljeva analiza stabilnosti

Lyapunovljeva analiza stabilnosti

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<strong>Lyapunovljeva</strong> <strong>analiza</strong> <strong>stabilnosti</strong> linearnih sustavaDefinicija inducirane norme matriceDefinicija inducirane norme matriceAko imamo linearno preslikavanje y = Ax, tada inducirana matrična L p normamora zadovoljavati‖y‖ p ≤ ‖A‖ p ‖x‖ p . (15)Induciranu matričnu normu možemo shvatiti kao maksimalno ”pojačanje”linearnog operatora definiranog matricom A.Na osnovu prethodnog izraza možemo postaviti slijedeću definiciju‖Ax‖ p‖A‖ p = sup(16)x≠0 ‖x‖ pOpća teorija sustava ( ) <strong>Lyapunovljeva</strong> <strong>analiza</strong> <strong>stabilnosti</strong> 32 / 42

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