本程序是通过反幂法计算矩阵特征值和特征向量，该方法已经调试通过。实验验证，本方法计算效率高 时间复杂度相对其他算法较低。-This procedure is calculated by inverse power eigenvalues ​ ​ and eigenvectors, the method has been debugged. Experiments, the high efficiency of this method time complexity is lo