中文说明： 包括随机梯度算法，相对梯度算法，用于建立主成分分析模型，汽车课设货车Matlab驱动力图程序，多元数据分析的主分量分析投影，相控阵天线的方向图（切比雪夫加权），D-S证据理论数据融合。
English Description：
Includes stochastic gradient algorithm, algorithm of relative gradient, principal component analysis was used to build model cars lorries in Matlab drivers trying to program projection principal component analysis of multivariate data analysis, pattern of phased array antenna (Chebyshev weights), and d-s evidence theory data fusion.