The procedure for calculating the exponential matrix guarantees that the simulation accuracy is not restricted by the calculating step length, then the calculating efficiency has been raised greatly.
所设计的计算矩阵指数的子程序保证了系统仿真精度不受计算步长的限制，从而大大提高了计算效率。
Meanwhile, a new method of calculating initial step length was proposed.
同时，提出了新的一维搜索初始步长的约束方法。
The method spends less interpolation calculating time and assures interpolation points stand in theoretical curve, and as well as equal feeding step length can be obtained.
该方法插补计算时间短，而且保证插补点落在理论曲线上及进给步长相等。
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