Abstract : this paper studies the minimum cost problems on a class of impulse control model , with a certain conditions , it gives an explicit value which is the minimum of the cost function 文摘:本文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
Due to the introduction of [ p curves , the method detects the symmetry and axis of objects by using the expressions of function instead of using the optimization method 由于是基于隐含多项式曲线进行对称性检测，因而并不需要复杂的优化算法，仅用明确的解析式即可验证对称性并检测出相应的对称轴。
In the same way , the experiential - analytical solutions of the stress - strain relationship and the coefficient of lateral pressure are deduced with considering the influence of water content in different ones 利用同样的方法对试样的应力?应变关系进行了分段探讨，得出了应力?应变关系的经验解析式，也分析了含水量对其产生的影响。
Using the fourier transform and following the similar reasoning steps of the axisymmetric problem , we obtain the general solution formulation of multilayered non - axisymmetric space magneto - electro - elastic media 利用fourier级数展开，再遵循轴对称问题的类似推导过程，即可得到多层压电压磁弹性材料空间非轴对称问题的一般解析式。
A new method of solving the capacity problem is presented by using the formula of capacity for a parallel plate capacitor , with simpler calculation and more explicit physical meaning as compared with the conventional solution 摘要提出了导体系统电容问题求解的一种新方法，借助双球面坐标系和平行板电容公式，求出了异心球形电容器电容的解析式。
The approach includes : obtain cutter location points from cutter contact points ; interference pretreatment by convex box of data cloud and reducing check area ; interference detection and tool - position correction based on data cloud 通过计算点云模型的曲率，确定切削步长和行距，采用基于点云的干涉检查模型，推导出干涉处理的解析式，得到了无干涉加工刀轨。
A numerical approach and a novel analytical solver are used to solve the governing equation of cantilever beam actuated by electrostatic force , and dynamic responses of the cantilever are calculated by mode - superposition 摘要给出了一种静电力作用下微悬臂梁控制方程的数值求解方法，提出了求解该模型的近似解析式和修正解析式，并采用模态叠加法计算微梁的动响应。
Fuzzy reasoning , fuzzy policy , output inverse fuzzy . in fuzzy reasoning , a formulation is obtained based on general fuzzy reasoning , by different adaptive factor to modify taking care of different error 在模糊推理中，在通用的模糊推理算法的基础上概括为一个解析式，考虑不同的误差等级下采用不同的修正因子来调整，以实现对模糊控制规则的自调整，形成了控制规则状态表。
The last part of this paper treated the results with the assistance of spline function and nth - degree harmonics cam approximate . thus , the new function of tappet , speed and accelerated speed was gained and the whole designing process was completed 文章的最后部分分别用样条函数方法和n次谐波凸轮逼近方法对计算结果进行处理，得出新的从动件升程、速度和加速度的解析式，从而完成整个设计过程。
4 . the system makes use of spatial analytic expression to analyze pipe - line ' s spatial data and build pipe - line spatial information topology relation . it implements the spatial data to be obtained effectively and to be organized scientifically 利用空间解析式分析结点、管线段的空间几何位置，以及诸元素之间的邻接、关联与包含关系，系统构建出管线空间拓扑关系，实现了空间数据的有效获取和科学组织。
