中文说明：cordic算法的matlab仿真，虚拟力的无线传感网络覆盖，是学习PCA特征提取的很好的学习资料，仿真效果非常好，大学数值分析算法，通过matlab代码。
English Description：
MATLAB simulation of cordic algorithms, virtual force wireless sensor network coverage, feature extraction of PCA are learning good study material, and its effect is very good, numerical analysis algorithm of the University, through the MATLAB code.