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Invariantna mnozhina ce mnozhina M displaystyle mathcal M sho dlya zadanoyi dinamichnoyi sistemi x f x displaystyle dot x f x z pochatkovoyu tochkoyu x 0 displaystyle x 0 zadovolnyaye x 0 M x t M t R displaystyle x 0 in M Rightarrow x t in mathcal M forall t in mathbb R Intuyitivno ce oznachaye sho yaksho trayektoriya dinamichnoyi sistemi potraplyaye v M displaystyle mathcal M todi vona yiyi nikoli ne zalishaye Dodatno invariantna mnozhina M displaystyle mathcal M zadovolnyaye x 0 M x t M t 0 displaystyle x 0 in M Rightarrow x t in mathcal M forall t geq 0 Prikladi invariantnih mnozhin RedaguvatiTochka rivnovagi Granichnij ciklDiv takozh RedaguvatiInvariantPosilannya RedaguvatiNelinijni sistemi i kontrol Princip invariantnosti Arhivovano 17 serpnya 2015 u Wayback Machine Lekciya za knigoyu Hassan K Khalil Nonlinear Systems Prentice Hall 2002 Otrimano z https uk wikipedia org w index php title Invariantna mnozhina amp oldid 35805001