As to the motion equations for objects, the fourth-order Runge-Kutta method was employed again for iterative solution.
对于物体的运动方程，同样利用四阶龙格-库塔法进行迭代求解。
The fourth order Runge-Kutta method is used to transform the mathematics model into discrete simulation model, using MATLAB7.0 simulation software to simulate its dynastic performance.
采用了四阶龙格-库塔算法，将数学模型转换为可仿真的离散模型，并利用MATLAB7.0对其进行了计算机仿真。
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