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本文介绍用增广矩阵法将病态(stiff)线性系统的非齐次方程转换为齐次方程,利用状态转移矩阵代替积分求解,从而避免了系统仿真分析中由于数值积分形成的积累误差对仿真结果的影响,并给出工程系统仿真设计的实例。
In this paper, the augmented matrix method is used to convert the inhomogeneous equations of a stiff linear system into a homogeneous equation, and the state transition matrix is used instead of the integral solution to avoid the accumulation error caused by numerical integration in the system simulation analysis. , And gives examples of engineering system simulation design.