设计出线性离散状态空间的最优控制器。

Optimization controller for linear discrete-time state space model is designed.

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首先，通过特征线法和有限差分法得到了时间离散和空间离散的非线性状态方程。

First, the partial differential equations are transformed into discrete space, discrete time nonlinear difference equations through characteristic method and finite difference approach.

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