The "place" command could not place the poles at the specified locations. Probable causes include: * (A,B) is nearly uncontrollable * The specified locations are too close to each other.

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Lakshminarayana KS
Lakshminarayana KS le 10 Août 2019
Réponse apportée : Pan Zhao le 27 Août 2021
Am trying for a system which is ustable but not controllable but observable system

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Pan Zhao
Pan Zhao le 27 Août 2021
If your system is not controllable, then you cannot place the closed-loop poles at arbitrary positions. Observability (determined by A, C matrices) is not relevant here.

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