Dynamical linear model includes state space model and system equation on the basis of stochastic chain ladder.
动态线性模型在随机链梯法的基础上构建了状态方程和测量方程。
Differential method is used for the discretion of time zone, and a direct solution method and an incremental solution method are given out for the solution of the non-linear system equation.
求解方程时，在时间域上采用差分法进行离散，给出了求解系统方程的直接法和增量法。
The characteristics of two main parallel computing algorithms on solving large sparse linear system equation-direct method and iterative method will be analyzed and summarized in this paper.
本文全面总结了当前并行求解大型稀疏线性方程组的两种主要方法—直接法和迭代法。
Because the system equation is changed with time, during the measurement, the statistic character of the system noise and the observation noise cannot be estimated or be determined accurately.
由于系统方程是时变的，在测量过程中，系统噪声和观测噪声的统计特性等很难精确地估计或测定，事实上很多误差模型都不能简单的设为白噪声。
Because the system equation is changed with time, during the measurement, the statistic character of the system noise and the observation noise cannot be estimated or be determined accurately.
由于系统方程是时变的，在测量过程中，系统噪声和观测噪声的统计特性等很难精确地估计或测定，事实上很多误差模型都不能简单的设为白噪声。
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