回归的各种分析实例以及matlab代码，包括各种数学应用，比如线性回归，非线性回归，逐步回归-Examples of regression analysis, as well as a variety of matlab code, including a variety of mathematical applications such as linear regression, nonlinear regression, stepwise regression

通用的最小二乘回归算法，使用matlab编程实现，可用于求取最优解。-General least squares regression algorithm, using matlab programming, can be used to obtain the optimal solution.