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In the paper unconstrained controlability problem of finite-dimensional fractional-discrete time linear systems with delay in control is addressed. Using formula of solution necessary and sufficient condition for controllablity in a given number of steps is formulated and proved. Simple illustrative example is also presented.
In this paper, various concepts of controllability and observability of linear infinite-dimensional continuous-time control systems with constant coefficients have been studied. The paper contains a survey of various fundamental definitions, theorems and corollaries concerning approximate controllability, approximate boundary controllability and observability. Moreover, the different relations among...
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