The optimal control design for the uncertain piecewise linear system has been converted to the problem of optimizing upper bound and seeking lower bound of the optimal control performance.

针对不确定分段线性系统，将最优控制设计问题转化成最优控制性能上界的优化问题及性能下界的求取问题。

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Based on the determination of optimizing parameters and boundary equations, the cropland using structure in Fujian Province was optimized by the model of linear programming.

在确定优化参数和约束方程的基础上，借助线性规划模型进行福建省耕地利用结构优化。

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The experimental results show that the linear expressing based approach for optimizing locality using non-singular loop transformations presented in this paper is effective.

实验结果表明了该文所提出的基于线性表出的非奇异循环变换局部性优化方法是有效的。

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