The minimum cost problems on a class of impulse control model are studied, under certain conditions, an explicit value which is the minimum of the cost function is given.

研究了一类脉冲控制模型的最小费用问题，在一定条件下，给出了相应的最佳费用函数具体解析式。

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This paper discusses a class of free boundary value problem of ordinary differential equations occurred in problems of classical mixed and impulse optimum control in research fund management problems.

该文讨论由经典-脉冲混合控制最优策略中提出的一类常微分方程的自由边值问题，给出了该问题解的存在性定理。

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Hoarders often suffer from depression, anxiety or impulse control problems.

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In bulimics, such traits include risk-taking behaviour and problems with impulse control.

ECONOMIST: Psychiatric disorders and immunity

Symptoms that nagged Duerson after he retired from the NFL in 1993 were typical of cases such as Webster and Grimsley, including problems with impulse control, an increasingly short fuse and headaches.

CNN: Tests reveal former NFL player suffered from brain disease