基于矩阵运算的多元线性回归分析，基于回归计算程序包的多元线性回归分析等MATLAB程序实现；各检验值齐全(Multivariate linear regression analysis based on matrix operation, multiple linear regression analysis based on regression calculation package)

包括基于矩阵运算计算回归系数并添加趋势线，基于多项式拟合计算回归系数并添加趋势线，借助回归分析程序包计算回归系数并估计检验统计量，及预测和各统计量。(Including the regression coefficient and add the trend line calculation based on matrix computation, polynomial fitting to calculate the regression coefficient and add the tre