By the use of the combinations nature this paper demonstrates an inversematrix extracting method of integer matrix and gives the formula of reverse matrix.
本文利用组合的性质证明了一种整数矩阵求逆矩阵的方法，给出了求逆矩阵的公式，并通过了实例验证。
2
The error calculating method using the homogeneous coordinate transformation matrix together with forward and inverse kinematics and the corresponding error compensation strategies were proposed.
提出了利用齐次变换矩阵和正向、逆向运动学相结合的误差计算方法以及相应的误差补偿策略；
3
The Hybrid Inverse numerical method is a two-step numerical method, comprising of direct matrix inversion and quadratic programming.