ODE Examples

Given the ODE \begin{array}{c} x’(t) = f(t, x(t), u(t)), \ \ t \in [0,T], \ x(0) = x_0, \end{array} with $x(t)$ and $u(t)$ being the state and control variables respectively. The main goal is to find the control $u(t)$ that optimizes a certain functional $J(x(t),u(t))$. Summarizing, control of ODEs is crucial when the main interest is not to find the solution $x(t)$ of the ODE, but instead to optimize a certain quantity $J(x(t),u(t))$ with respect to the control variable $u(t)$ and subject to the ODE.

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