On the other side, the discrete Fourier transform method accelerated forward backward method is introduced to solve the matrix equation efficiently. 同时引入了采用离散傅里叶方法加速的前后向迭代方法对矩阵方程进行求解,极大地提高了矩阵求解的效率。
The decorrelation principle of the kind of spatial smoothing algorithm is demonstrated. Then, some effective algorithm of spatial smoothing, such as forward spatial smoothing ( FSS ), forward backward spatial smoothing ( FBSS ) and improved spatial smoothing algorithm, were introduced. 分析了空间平滑类算法的解相干原理,介绍了三种较有效的空间平滑类算法:前向空间平滑算法、前后向空间平滑算法和改进的前后向空间平滑算法。
Using deep field knowledge in metal cutting, an expert system for selecting tool materials is developed. It is a sub system called by the metal cutting database system, by which the suitable material code of tool can be acquired through forward backward reasoning. 运用金属切削理论与经验等领域深层知识建立刀具材料选择专家系统,它作为一个子系统由切削数据库系统调用,通过正反向混合推理,可为切削新型金属材料推荐合适的刀具材料牌号。
Necessary Conditions for Optimal Controls of Forward Backward(FB) Stochastic Systems with Nonsmooth Cost Functionals 正倒向随机系统在非光滑指标下最优控制的必要条件
The optimal control problem of fully coupled forward backward stochastic differential equations with state constraints is discussed, and the maximum principle is obtained when the diffusion coefficient contains control variable and the control domain is convex 讨论了一类完全耦合的正倒向随机系统的最优控制问题,在初始和终端状态均有约束,扩散项含控制变量,控制域是凸的情形下得到了最大值原理